{"id":12561,"date":"2021-10-08T10:22:00","date_gmt":"2021-10-08T03:22:00","guid":{"rendered":"https:\/\/kiencang.net\/?p=12561"},"modified":"2022-08-03T00:34:56","modified_gmt":"2022-08-02T17:34:56","slug":"seo-anh","status":"publish","type":"post","link":"https:\/\/kiencang.net\/seo-anh\/","title":{"rendered":"C\u00e1ch SEO \u1ea3nh \u0111\u00fang chu\u1ea9n, d\u1ec5 l\u00e0m"},"content":{"rendered":"\n<p>V\u00e0i l\u1eddi c\u1ee7a ng\u01b0\u1eddi d\u1ecbch: h\u00f3a ra SEO \u1ea3nh kh\u00f4ng kh\u00f3 nh\u01b0 b\u1ea1n ngh\u0129, n\u00f3 ch\u1ec9 c\u00f3 m\u1ed9t v\u00e0i y\u1ebfu t\u1ed1 c\u01a1 b\u1ea3n m\u00e0 th\u00f4i. D\u00f9 b\u00e0i vi\u1ebft n\u00e0y n\u00f3i nhi\u1ec1u \u0111\u1ebfn c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt, th\u00ec <strong>\u0111i\u1ec1u quan tr\u1ecdng nh\u1ea5t trong SEO \u1ea3nh l\u00e0 b\u1ea1n c\u1ea7n ph\u1ea3i c\u00f3 \u0111\u01b0\u1ee3c b\u1ee9c \u1ea3nh \u0111\u1eb9p vs \u0111\u1ed9c \u0111\u00e1o<\/strong>.<\/p>\n\n\n\n<p>Gi\u1edd ch\u00fang ta \u0111i v\u00e0o n\u1ed9i dung ch\u00ednh nh\u00e9!<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<p>D\u00f9 b\u1ea1n l\u00e0 blogger &#8220;l\u1eb7t v\u1eb7t&#8221; t\u1ef1 c\u00e0y cu\u1ed1c hay ng\u01b0\u1eddi vi\u1ebft b\u00e0i chuy\u00ean nghi\u1ec7p cho c\u00e1c t\u1ea1p ch\u00ed ho\u1eb7c b\u00e1o \u0111i\u1ec7n t\u1eed l\u1edbn, r\u1ea5t c\u00f3 th\u1ec3 v\u00e0o th\u1eddi \u0111i\u1ec3m n\u00e0o \u0111\u00f3 b\u1ea1n s\u1ebd t\u1ef1 h\u1ecfi b\u1ea3n th\u00e2n: <em>m\u00ecnh c\u00f3 c\u1ea7n \u1ea3nh cho b\u00e0i vi\u1ebft n\u00e0y hay kh\u00f4ng?<\/em>&nbsp;C\u00e2u tr\u1ea3 l\u1eddi l\u00fac n\u00e0o c\u0169ng l\u00e0 &#8220;C\u00f3&#8221;.<\/p>\n\n\n\n<p>\u1ea2nh \u0111em \u0111\u1ebfn s\u1ee9c s\u1ed1ng cho b\u00e0i vi\u1ebft v\u00e0 c\u00f3 th\u1ec3 t\u1ea1o ra <a href=\"https:\/\/kiencang.net\/viet-bai-chuan-seo\/\">b\u00e0i vi\u1ebft chu\u1ea9n SEO t\u1ed1t<\/a> cho b\u1ea1n. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u1ea3i th\u00edch c\u00e1ch t\u1ed1i \u01b0u \u1ea3nh to\u00e0n di\u1ec7n cho SEO v\u00e0 cung c\u1ea5p m\u1ed9t s\u1ed1 ch\u1ec9 d\u1eabn v\u1ec1 vi\u1ec7c s\u1eed d\u1ee5ng \u1ea3nh sao cho ch\u00fang c\u00f3 kh\u1ea3 n\u0103ng \u0111em \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng t\u1ed1t nh\u1ea5t.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_60 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >M\u1ee5c l\u1ee5c<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\" role=\"button\"><label for=\"item-6577d724788a5\" ><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input aria-label=\"Toggle\" aria-label=\"item-6577d724788a5\"  type=\"checkbox\" id=\"item-6577d724788a5\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/kiencang.net\/seo-anh\/#1_Xem_video_neu_ban_muon_hoac_doc_bai_viet_chi_tiet_hon_ben_duoi\" title=\"#1. Xem video n\u1ebfu b\u1ea1n mu\u1ed1n ho\u1eb7c \u0111\u1ecdc b\u00e0i vi\u1ebft chi ti\u1ebft h\u01a1n b\u00ean d\u01b0\u1edbi\">#1. Xem video n\u1ebfu b\u1ea1n mu\u1ed1n ho\u1eb7c \u0111\u1ecdc b\u00e0i vi\u1ebft chi ti\u1ebft h\u01a1n b\u00ean d\u01b0\u1edbi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/kiencang.net\/seo-anh\/#2_Luon_luon_su_dung_anh\" title=\"#2. Lu\u00f4n lu\u00f4n s\u1eed d\u1ee5ng \u1ea3nh\">#2. Lu\u00f4n lu\u00f4n s\u1eed d\u1ee5ng \u1ea3nh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/kiencang.net\/seo-anh\/#3_Lua_chon_anh_phu_hop\" title=\"#3. L\u1ef1a ch\u1ecdn \u1ea3nh ph\u00f9 h\u1ee3p\">#3. L\u1ef1a ch\u1ecdn \u1ea3nh ph\u00f9 h\u1ee3p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/kiencang.net\/seo-anh\/#4_Giai_phap_thay_the\" title=\"#4. Gi\u1ea3i ph\u00e1p thay th\u1ebf\">#4. Gi\u1ea3i ph\u00e1p thay th\u1ebf<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/kiencang.net\/seo-anh\/#5_Chu_y_den_thiet_ke\" title=\"#5. Ch\u00fa \u00fd \u0111\u1ebfn thi\u1ebft k\u1ebf\">#5. Ch\u00fa \u00fd \u0111\u1ebfn thi\u1ebft k\u1ebf<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/kiencang.net\/seo-anh\/#6_Chuan_bi_anh_de_dung_trong_bai_viet_cua_ban\" title=\"#6. Chu\u1ea9n b\u1ecb \u1ea3nh \u0111\u1ec3 d\u00f9ng trong b\u00e0i vi\u1ebft c\u1ee7a b\u1ea1n\">#6. Chu\u1ea9n b\u1ecb \u1ea3nh \u0111\u1ec3 d\u00f9ng trong b\u00e0i vi\u1ebft c\u1ee7a b\u1ea1n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/kiencang.net\/seo-anh\/#7_Them_anh_vao_bai_viet\" title=\"#7. Th\u00eam \u1ea3nh v\u00e0o b\u00e0i vi\u1ebft\">#7. Th\u00eam \u1ea3nh v\u00e0o b\u00e0i vi\u1ebft<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/kiencang.net\/seo-anh\/#8_Sitemap_XML_cua_anh\" title=\"#8. Sitemap XML c\u1ee7a \u1ea3nh\">#8. Sitemap XML c\u1ee7a \u1ea3nh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/kiencang.net\/seo-anh\/#9_SEO_anh_tong_ket\" title=\"#9. SEO \u1ea3nh: t\u1ed5ng k\u1ebft\">#9. SEO \u1ea3nh: t\u1ed5ng k\u1ebft<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Xem_video_neu_ban_muon_hoac_doc_bai_viet_chi_tiet_hon_ben_duoi\"><\/span>#1. Xem video n\u1ebfu b\u1ea1n mu\u1ed1n ho\u1eb7c \u0111\u1ecdc b\u00e0i vi\u1ebft chi ti\u1ebft h\u01a1n b\u00ean d\u01b0\u1edbi<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>B\u1ea3n v\u00e3 m\u1ed3 h\u00f4i, tr\u00f4ng h\u01a1i g\u1edbm, anh ch\u1ecb em th\u00f4ng c\u1ea3m, kh\u00f4ng d\u00e1m b\u1eadt qu\u1ea1t v\u00ec s\u1ee3 ti\u1ebfng qu\u1ea1t v\u00e0o video. \u00c1o \u0111\u1ea5u c\u1ee7a Juve, nh\u01b0ng t\u00f4i h\u00e2m m\u1ed9 Barca c\u01a1 (nh\u01b0ng kh\u00f4ng h\u1ec1 gh\u00e9t CR7 \u0111\u00e2u nh\u00e9).<\/p>\n\n\n\n<p><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/LGTkigB5rm4\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Luon_luon_su_dung_anh\"><\/span>#2. Lu\u00f4n lu\u00f4n s\u1eed d\u1ee5ng \u1ea3nh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u1ea2nh khi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u1ea9n th\u1eadn, c\u00f3 t\u00ednh to\u00e1n s\u1ebd gi\u00fap ng\u01b0\u1eddi \u0111\u1ecdc hi\u1ec3u b\u00e0i vi\u1ebft c\u1ee7a b\u1ea1n t\u1ed1t h\u01a1n. C\u00e2u danh ng\u00f4n c\u1ed5 (old saying) &#8220;m\u1ed9t b\u1ee9c tranh \u0111\u00e1ng gi\u00e1 b\u1eb1ng c\u1ea3 ng\u00e0n t\u1eeb&#8221; c\u00f3 l\u1ebd kh\u00f4ng \u00e1p d\u1ee5ng \u0111\u01b0\u1ee3c v\u1edbi Google \u0111\u00e2u, nh\u01b0ng n\u00f3 ch\u1eafc ch\u1eafn \u0111\u00fang khi b\u1ea1n c\u1ea7n th\u1ee9 g\u00ec \u0111\u00f3 \u0111\u1ec3 th\u00eam gia v\u1ecb cho 1000 t\u1eeb bu\u1ed3n t\u1ebb. Ch\u1eb3ng h\u1ea1n \u0111\u1ec3 minh h\u1ecda \u00fd c\u1ee7a b\u1ea1n b\u1eb1ng m\u1ed9t bi\u1ec3u \u0111\u1ed3 ho\u1eb7c s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u, ho\u1eb7c \u0111\u01a1n gi\u1ea3n ch\u1ec9 \u0111\u1ec3 b\u00e0i \u0111\u0103ng tr\u00ean m\u1ea1ng x\u00e3 h\u1ed9i l\u00f4i cu\u1ed1n h\u01a1n.<\/p>\n\n\n\n<p>\u0110\u00e2y l\u00e0 l\u1eddi khuy\u00ean \u0111\u01a1n gi\u1ea3n: b\u1ea1n c\u1ea7n ph\u1ea3i th\u00eam \u1ea3nh v\u00e0o t\u1ea5t c\u1ea3 c\u00e1c b\u00e0i vi\u1ebft tr\u1ef1c tuy\u1ebfn \u0111\u1ec3 l\u00e0m n\u00f3 h\u1ea5p d\u1eabn h\u01a1n. H\u01a1n n\u1eefa, v\u00ec t\u00ecm ki\u1ebfm tr\u1ef1c quan ng\u00e0y c\u00e0ng quan tr\u1ecdng &#8211; nh\u01b0 \u0111\u01b0\u1ee3c th\u1ea5y trong s\u1ef1 ki\u1ec7n &#8220;T\u1ea7m nh\u00ecn c\u1ee7a Google v\u1ec1 t\u00ecm ki\u1ebfm trong t\u01b0\u01a1ng lai&#8221; &#8211; b\u1ea3n th\u00e2n h\u00ecnh \u1ea3nh, h\u00f3a ra c\u0169ng c\u00f3 th\u1ec3 \u0111em \u0111\u1ebfn cho b\u1ea1n l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp kh\u00e1 \u1ed5n. N\u1ebfu b\u1ea1n c\u00f3 n\u1ed9i dung tr\u1ef1c quan (visual content), \u0111i\u1ec1u c\u00f3 th\u1ec3 c\u00f3 \u00fd ngh\u0129a \u0111\u00f3 l\u00e0: \u0111\u01b0a nhi\u1ec7m v\u1ee5 SEO \u1ea3nh l\u00ean cao h\u01a1n trong th\u1ee9 t\u1ef1 \u01b0u ti\u00ean nh\u1eefng vi\u1ec7c c\u1ea7n ph\u1ea3i l\u00e0m (to-do list).<\/p>\n\n\n\n<p>Google h\u00ecnh \u1ea3nh v\u1eeba m\u1edbi \u0111\u01b0\u1ee3c t\u00e2n trang v\u1edbi giao di\u1ec7n ho\u00e0n to\u00e0n m\u1edbi. B\u1ea1n c\u0169ng s\u1ebd t\u00ecm th\u1ea5y c\u00e1c b\u1ed9 l\u1ecdc m\u1edbi, meta data v\u00e0 th\u1eadm ch\u00ed c\u1ea3 ghi c\u00f4ng t\u00e1c gi\u1ea3 (attribution). Nh\u1eefng t\u00ednh n\u0103ng l\u1ecdc th\u00fa v\u1ecb (cool) cho th\u1ea5y r\u1eb1ng Google \u0111\u00e3 gia t\u0103ng hi\u1ec3u bi\u1ebft h\u01a1n v\u1ec1 \u1ea3nh v\u00e0 c\u00e1ch h\u00ecnh \u1ea3nh kh\u1edbp v\u1edbi b\u1ed1i c\u1ea3nh l\u1edbn h\u01a1n.<\/p>\n\n\n<div class=\"wp-block-image size-full wp-image-12562\">\n<figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"385\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/08\/binh-minh-google-image.png\" alt=\"t\u00ecm ki\u1ebfm b\u00ecnh minh tr\u00ean bi\u1ec3n b\u1eb1ng Google h\u00ecnh \u1ea3nh\" class=\"wp-image-12562\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/08\/binh-minh-google-image.png 800w, https:\/\/kiencang.net\/wp-content\/uploads\/2019\/08\/binh-minh-google-image-300x144.png 300w, https:\/\/kiencang.net\/wp-content\/uploads\/2019\/08\/binh-minh-google-image-768x370.png 768w, https:\/\/kiencang.net\/wp-content\/uploads\/2019\/08\/binh-minh-google-image-585x282.png 585w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption>Giao di\u1ec7n t\u00ecm ki\u1ebfm \u1ea3nh m\u1edbi c\u1ee7a Google \u0111\u01b0\u1ee3c ph\u00e1t h\u00e0nh v\u00e0o cu\u1ed1i th\u00e1ng 9 n\u0103m 2018<\/figcaption><\/figure><\/div>\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Lua_chon_anh_phu_hop\"><\/span>#3. L\u1ef1a ch\u1ecdn \u1ea3nh ph\u00f9 h\u1ee3p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright\"><img loading=\"lazy\" decoding=\"async\" width=\"202\" height=\"218\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/08\/anh-chang-tren-mang.jpg\" alt=\"anh ch\u00e0ng tr\u00ean m\u1ea1ng\" class=\"wp-image-12563\"\/><\/figure><\/div>\n\n\n<p>L\u00fac n\u00e0o c\u0169ng t\u1ed1t h\u01a1n khi b\u1ea1n s\u1eed d\u1ee5ng \u1ea3nh g\u1ed1c &#8211; nh\u1eefng \u1ea3nh m\u00e0 b\u1ea1n t\u1ef1 ch\u1ee5p &#8211; ch\u1ee9 kh\u00f4ng l\u00e0 nh\u1eefng \u1ea3nh mua tr\u00ean m\u1ea1ng (stock photos). Trang v\u1ec1 \u0111\u1ed9i nh\u00f3m c\u1ee7a c\u00e1c b\u1ea1n c\u1ea7n \u1ea3nh ch\u1ee5p th\u1ef1c c\u1ee7a nh\u00f3m c\u00e1c b\u1ea1n, ch\u1ee9 kh\u00f4ng ph\u1ea3i \u1ea3nh c\u1ee7a anh ch\u00e0ng b\u00ean ph\u1ea3i. <em>Cu\u1ed1i c\u00f9ng: \u0111\u1eebng b\u1eadn t\u00e2m chuy\u1ec7n anh ch\u00e0ng n\u00e0y c\u1ea7n ph\u1ea3i c\u1eaft t\u00f3c!<\/em><\/p>\n\n\n\n<p>B\u00e0i vi\u1ebft c\u1ee7a b\u1ea1n c\u1ea7n \u1ea3nh li\u00ean quan \u0111\u1ebfn ch\u1ee7 \u0111\u1ec1 c\u1ee7a n\u00f3. N\u1ebfu b\u1ea1n ch\u1ecdn m\u1ed9t b\u1ee9c \u1ea3nh ng\u1eabu nhi\u00ean ch\u1ec9 \u0111\u1ec3 c\u00f3 th\u00eam d\u1ea5u t\u00edch m\u00e0u xanh trong ph\u1ea7n ph\u00e2n t\u00edch SEO c\u1ee7a plugin, th\u1ebf th\u00ec b\u1ea1n \u0111\u00e3 l\u00e0m sai r\u1ed3i \u0111\u1ea5y. \u1ea2nh c\u1ea7n ph\u1ea3i ph\u1ea3n \u00e1nh ch\u1ee7 \u0111\u1ec1 c\u1ee7a b\u00e0i vi\u1ebft ho\u1eb7c \u0111\u1ec3 minh h\u1ecda n\u1ed9i dung b\u00ean trong b\u00e0i vi\u1ebft. C\u1ea7n ch\u1ee7 \u0111\u1ed9ng \u0111\u1eb7t \u1ea3nh g\u1ea7n v\u1edbi v\u0103n b\u1ea3n li\u00ean quan \u0111\u1ebfn n\u00f3. N\u1ebfu b\u1ea1n c\u00f3 m\u1ed9t b\u1ee9c \u1ea3nh \u0111ang c\u1ea7n x\u1ebfp h\u1ea1ng cao, h\u00e3y \u0111\u1eb7t n\u00f3 g\u1ea7n ph\u1ea7n \u0111\u1ea7u c\u1ee7a trang h\u01a1n, n\u1ebfu \u0111i\u1ec1u \u0111\u00f3 th\u00edch h\u1ee3p.<\/p>\n\n\n\n<p>C\u00f3 m\u1ed9t l\u00fd do SEO \u1ea3nh \u0111\u01a1n gi\u1ea3n cho t\u1ea5t c\u1ea3 \u0111i\u1ec1u n\u00e0y: m\u1ed9t \u1ea3nh v\u1edbi v\u0103n b\u1ea3n li\u00ean quan s\u1ebd x\u1ebfp h\u1ea1ng t\u1ed1t h\u01a1n cho t\u1eeb kh\u00f3a m\u00e0 n\u00f3 \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u. Ch\u00fang ta s\u1ebd n\u00f3i nhi\u1ec1u h\u01a1n v\u1ec1 SEO \u1ea3nh \u1edf ph\u1ea7n sau.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Giai_phap_thay_the\"><\/span>#4. Gi\u1ea3i ph\u00e1p thay th\u1ebf<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>N\u1ebfu b\u1ea1n kh\u00f4ng c\u00f3 b\u1ee9c \u1ea3nh n\u00e0o t\u1ef1 ch\u1ee5p m\u00e0 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c \u0111\u1ec3 minh h\u1ecda, c\u00f3 c\u00e1c c\u00e1ch kh\u00e1c \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c b\u1ee9c h\u00ecnh \u0111\u1ed9c \u0111\u00e1o \u0111\u1ed3ng th\u1eddi v\u1eabn tr\u00e1nh chuy\u1ec7n ph\u1ea3i s\u1eed d\u1ee5ng \u1ea3nh stock. <a href=\"https:\/\/www.flickr.com\/creativecommons\/\" target=\"_blank\" rel=\"noreferrer noopener\">Flickr.com<\/a> l\u00e0 m\u1ed9t ngu\u1ed3n \u1ea3nh t\u1ed1t, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u1ea3nh Creative Commons. \u0110\u1eebng qu\u00ean ghi nh\u1eadn c\u00f4ng lao c\u1ee7a nhi\u1ebfp \u1ea3nh gia ch\u1ee5p b\u1ee9c h\u00ecnh g\u1ed1c. T\u00f4i c\u0169ng th\u00edch nh\u1eefng b\u1ee9c \u1ea3nh t\u1eeb nh\u1eefng trang nh\u01b0 <a href=\"https:\/\/unsplash.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">Unsplash<\/a>. T\u00f4i (\u0110\u1ee9c Anh) c\u0169ng t\u1eebng vi\u1ebft m\u1ed9t b\u00e0i kh\u00e1 chi ti\u1ebft li\u00ean quan \u0111\u1ebfn c\u00e1ch \u0111\u1ec3 <a href=\"https:\/\/kiencang.net\/ban-quyen-hinh-anh\/\">c\u00f3 \u0111\u01b0\u1ee3c b\u1ee9c \u1ea3nh mong mu\u1ed1n m\u00e0 kh\u00f4ng vi ph\u1ea1m b\u1ea3n quy\u1ec1n<\/a>.<\/p>\n\n\n\n<p>B\u1ea1n c\u1ea7n ph\u1ea3i tr\u00e1nh nh\u1eefng <a href=\"https:\/\/peopleimages.com\/search#business\" target=\"_blank\" rel=\"noreferrer noopener\">b\u1ee9c \u1ea3nh stock r\u00f5 r\u00e0ng<\/a> (nh\u1eefng b\u1ee9c h\u00ecnh nh\u00ecn qua l\u00e0 bi\u1ebft l\u00e0 \u1ea3nh d\u00e0n x\u1ebfp \u0111\u1ec3 b\u00e1n l\u00e0m h\u00ecnh minh h\u1ecda), h\u00e3y ch\u1ecdn nh\u1eefng c\u00e1i <a href=\"https:\/\/www.shutterstock.com\/cat.mhtml?searchterm=leisure&amp;language=en&amp;lang=en&amp;search_source=&amp;safesearch=1&amp;version=llv1&amp;media_type=\" target=\"_blank\" rel=\"noreferrer noopener\">nh\u00ecn t\u1ef1 nhi\u00ean h\u01a1n<\/a> (OK, d\u00f9 t\u00f4i bi\u1ebft ch\u1ec9 h\u01a1n m\u1ed9t ch\u00fat). Nh\u01b0ng d\u00f9 b\u1ea1n s\u1eed d\u1ee5ng ki\u1ec3u h\u00ecnh \u1ea3nh n\u00e0o, th\u00ec d\u01b0\u1eddng nh\u01b0 b\u1ea5t k\u1ef3 b\u1ee9c \u1ea3nh n\u00e0o m\u00e0 c\u00f3 ng\u01b0\u1eddi trong t\u1ea5m h\u00ecnh c\u0169ng gi\u1ed1ng \u1ea3nh stock v\u1eady, tr\u1eeb khi l\u00e0 b\u1ea1n t\u1ef1 ch\u1ee5p h\u1ecd. Cu\u1ed1i c\u00f9ng th\u00ec t\u1ef1 ch\u1ee5p lu\u00f4n l\u00e0 l\u00fd t\u01b0\u1edfng nh\u1ea5t.<\/p>\n\n\n\n<p>Hi\u1ec3n nhi\u00ean, m\u1ed9t gi\u1ea3i ph\u00e1p thay th\u1ebf cho \u1ea3nh ch\u1ee5p c\u00f3 th\u1ec3 l\u00e0 h\u00ecnh minh h\u1ecda (*), ho\u1eb7c bi\u1ec3u \u0111\u1ed3. M\u1ed9t \u0111\u1ec1 c\u1eadp x\u1ee9ng \u0111\u00e1ng \u0111\u01b0\u1ee3c nh\u1eafc \u0111\u1ebfn n\u1eefa l\u00e0 \u1ea3nh \u0111\u1ed9ng GIF, v\u1edbi s\u1ef1 ph\u1ed5 bi\u1ebfn \u0111\u1ebfn kh\u00f3 tin c\u1ee7a n\u00f3 v\u00e0o kho\u1ea3ng th\u1eddi gian g\u1ea7n \u0111\u00e2y.<\/p>\n\n\n\n<p>(*): \u1ea3nh ch\u1ee5p \/ photos th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 ch\u1ec9 \u1ea3nh ch\u1ee5p th\u1eadt nh\u01b0 \u1ea3nh con ng\u01b0\u1eddi, phong c\u1ea3nh thi\u00ean nhi\u00ean, trong khi h\u00ecnh minh h\u1ecda \/ illustrations th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 ch\u1ec9 \u1ea3nh \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi m\u00e1y t\u00ednh, th\u00ed d\u1ee5 nh\u01b0 c\u00e1c <a href=\"https:\/\/kiencang.net\/infographics-tat-ca-nhung-gi-ban-can-biet\/\">infographic<\/a>, logo, <a href=\"https:\/\/kiencang.net\/iconfinder-com-noi-chua-hon-300-ngan-icon-mien-phi-va-tra-phi\/\">icon<\/a>.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"235\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/08\/anh-gif-phan-tan.gif\" alt=\"\u1ea3nh GIF kh\u00e1 th\u00fa v\u1ecb nh\u01b0ng d\u1ec5 g\u00e2y ph\u00e2n t\u00e1n\" class=\"wp-image-12566\"\/><\/figure><\/div>\n\n\n<p>Nh\u01b0ng th\u1eadm ch\u00ed ngay c\u1ea3 khi \u1ea3nh \u0111\u1ed9ng GIF \u0111ang ph\u1ed5 bi\u1ebfn, \u0111\u1eebng l\u1ea1m d\u1ee5ng n\u00f3. N\u00f3 s\u1ebd l\u00e0m b\u00e0i vi\u1ebft c\u1ee7a b\u1ea1n kh\u00f3 \u0111\u1ecdc h\u01a1n, v\u00ec s\u1ef1 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a \u1ea3nh l\u00e0m ph\u00e2n t\u00e1n s\u1ef1 t\u1eadp trung c\u1ee7a ng\u01b0\u1eddi \u0111\u1ecdc. Ch\u00fang c\u0169ng c\u00f3 th\u1ec3 l\u00e0m ch\u1eadm t\u1ed1c \u0111\u1ed9 t\u1ea3i trang web (v\u00ec \u1ea3nh GIF th\u01b0\u1eddng c\u00f3 dung l\u01b0\u1ee3ng l\u1edbn, c\u00f3 th\u1ec3 g\u1ea5p 10 \u0111\u1ebfn 20 l\u1ea7n m\u1ed9t \u1ea3nh t\u0129nh c\u00f3 k\u00edch c\u1ee1 t\u01b0\u01a1ng t\u1ef1).<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Chu_y_den_thiet_ke\"><\/span>#5. Ch\u00fa \u00fd \u0111\u1ebfn thi\u1ebft k\u1ebf<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u0110\u00e2y l\u00e0 ph\u1ea7n b\u1ed5 sung th\u00eam c\u1ee7a c\u00e1 nh\u00e2n ng\u01b0\u1eddi d\u1ecbch, m\u00e0 t\u00f4i cho l\u00e0 r\u1ea5t quan tr\u1ecdng. C\u1ea3 b\u00e0i n\u00e0y b\u00e0n qu\u00e1 nhi\u1ec1u v\u1ec1 v\u1ea5n \u0111\u1ec1 k\u1ef9 thu\u1eadt, m\u00e0 qu\u00ean \u0111i m\u1ea5t r\u1eb1ng thi\u1ebft k\u1ebf m\u1ed9t \u1ea3nh minh h\u1ecda \u0111\u1eb9p l\u00e0 c\u00e1ch SEO hi\u1ec7u qu\u1ea3 nh\u1ea5t.<\/p>\n\n\n\n<p>B\u1ea1n c\u1ee9 th\u1eed s\u1ebd th\u1ea5y, v\u1edbi m\u1ed9t b\u1ee9c \u1ea3nh \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf t\u1ed1t, cho d\u00f9 kh\u00f4ng ch\u00fa \u00fd nhi\u1ec1u \u0111\u1ebfn k\u1ef9 thu\u1eadt, n\u00f3 s\u1ebd v\u1eabn \u0111em l\u1ea1i k\u1ebft qu\u1ea3 SEO v\u1ec1 l\u00e2u d\u00e0i t\u1ed1t h\u01a1n nhi\u1ec1u m\u1ed9t b\u1ee9c \u1ea3nh th\u00f4ng th\u01b0\u1eddng m\u00e0 ch\u1ec9 \u0111\u1ec3 \u00fd \u0111\u1ebfn k\u1ef9 thu\u1eadt, cho d\u00f9 l\u00e0 l\u00e0m r\u1ea5t t\u1ed1t.<\/p>\n\n\n\n<p>L\u00fd do l\u00e0 v\u00ec SEO gi\u1edd ti\u1ebfn r\u1ea5t s\u00e1t v\u00e0 ng\u00e0y c\u00e0ng s\u00e1t h\u01a1n \u0111\u1ebfn vi\u1ec7c \u01b0u ti\u00ean cho ng\u01b0\u1eddi d\u00f9ng. N\u1ebfu ng\u01b0\u1eddi d\u00f9ng th\u1ea5y b\u1ee9c h\u00ecnh \u0111\u1eb9p, n\u00f3 c\u00f3 ngh\u0129a l\u00e0 b\u1ea1n \u0111ang l\u00e0m SEO t\u1ed1t.<\/p>\n\n\n\n<p>H\u00e3y nh\u00ecn \u1ea3nh minh h\u1ecda \u0111\u01b0\u1ee3c l\u00e0m d\u01b0\u1edbi \u0111\u00e2y t\u1eeb ng\u01b0\u1eddi \u0111\u1ed3ng nghi\u1ec7p c\u1ee7a t\u00f4i (c\u00f4 \u1ea5y s\u1eed d\u1ee5ng Canva b\u1ea3n mi\u1ec5n ph\u00ed):<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/kiencang.net\/wp-content\/uploads\/2022\/01\/la-thu-dau-nam.png\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"454\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2022\/01\/la-thu-dau-nam.png\" alt=\"m\u1ed9t b\u1ee9c \u1ea3nh \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf t\u1ed1t\" class=\"wp-image-19455\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2022\/01\/la-thu-dau-nam.png 640w, https:\/\/kiencang.net\/wp-content\/uploads\/2022\/01\/la-thu-dau-nam-300x213.png 300w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<p>Cho d\u00f9 ng\u01b0\u1eddi \u0111\u1ed3ng nghi\u1ec7p n\u1eef n\u00e0y hi\u1ec7n ch\u1ec9 n\u1eafm c\u01a1 b\u1ea3n v\u1ec1 SEO k\u1ef9 thu\u1eadt cho \u1ea3nh, t\u00f4i cho r\u1eb1ng, c\u00f4 \u1ea5y \u0111ang n\u1eafm ph\u1ea7n l\u00f5i c\u1ee7a SEO \u1ea3nh khi t\u1ea1o ra \u0111\u01b0\u1ee3c c\u00e1c thi\u1ebft k\u1ebf v\u00f4 c\u00f9ng b\u1eaft m\u1eaft nh\u01b0 tr\u00ean.<\/p>\n\n\n\n<p><a href=\"https:\/\/kiencang.net\/cach-lam-infographic\/\">V\u1edbi Canva b\u1ea1n th\u1eadm ch\u00ed c\u00f2n l\u00e0m \u0111\u01b0\u1ee3c c\u00e1c infographic h\u1ea5p d\u1eabn<\/a>, t\u00f4i \u0111\u00e3 vi\u1ebft b\u00e0i m\u00f4 t\u1ea3 c\u00e1ch l\u00e0m \u1edf \u0111\u01b0\u1eddng link v\u1eeba d\u1eabn.<\/p>\n\n\n\n<p>T\u1ea5t nhi\u00ean thi\u1ebft k\u1ebf th\u00ec m\u1ea5t th\u1eddi gian, c\u00f4ng s\u1ee9c, nh\u01b0ng r\u00f5 r\u00e0ng v\u1edbi nhi\u1ec1u ng\u01b0\u1eddi, \u0111\u00e2y l\u00e0 c\u00f4ng vi\u1ec7c s\u00e1ng t\u1ea1o th\u00fa v\u1ecb, th\u1eadm ch\u00ed n\u1ebfu b\u1ea1n b\u1ea3o h\u1ecd l\u00e0m theo c\u00e1ch qu\u00e1 \u01b0 \u0111\u01a1n gi\u1ea3n, h\u1ecd c\u00f2n th\u1ea5y kh\u00f4ng th\u1ec3 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c. Cu\u1ed1i c\u00f9ng <a href=\"https:\/\/kiencang.net\/su-tin-cay-trong-thiet-ke-web\/\">thi\u1ebft k\u1ebf \u0111\u1eb9p lu\u00f4n \u0111\u01b0\u1ee3c tr\u1ea3 c\u00f4ng x\u1ee9ng \u0111\u00e1ng<\/a>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"6_Chuan_bi_anh_de_dung_trong_bai_viet_cua_ban\"><\/span>#6. Chu\u1ea9n b\u1ecb \u1ea3nh \u0111\u1ec3 d\u00f9ng trong b\u00e0i vi\u1ebft c\u1ee7a b\u1ea1n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>M\u1ed9t khi b\u1ea1n t\u00ecm \u0111\u01b0\u1ee3c b\u1ee9c \u1ea3nh \u01b0ng \u00fd &#8211; b\u1ea5t k\u1ec3 l\u00e0 \u1ea3nh minh h\u1ecda, bi\u1ec3u \u0111\u1ed3 ho\u1eb7c \u1ea3nh ch\u1ee5p &#8211; b\u01b0\u1edbc k\u1ebf ti\u1ebfp l\u00e0 t\u1ed1i \u01b0u n\u00f3 \u0111\u1ec3 s\u1eed d\u1ee5ng tr\u00ean website. C\u00f3 m\u1ed9t s\u1ed1 \u0111i\u1ec3m b\u1ea1n c\u1ea7n quan t\u00e2m, \u0111\u1ec3 \u00fd:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Ch\u1ecdn t\u00ean \u1ea3nh ph\u00f9 h\u1ee3p<\/h3>\n\n\n\n<p>SEO \u1ea3nh b\u1eaft \u0111\u1ea7u v\u1edbi t\u00ean t\u1ec7p. B\u1ea1n mu\u1ed1n Google bi\u1ebft \u1ea3nh c\u1ee7a b\u1ea1n l\u00e0 v\u1ec1 ch\u1ee7 \u0111\u1ec1 g\u00ec th\u1eadm ch\u00ed l\u00e0 ngay c\u1ea3 khi m\u00e1y t\u00ecm ki\u1ebfm n\u00e0y kh\u00f4ng c\u1ea7n nh\u00ecn n\u00f3, v\u00ec th\u1ebf b\u1ea1n c\u1ea7n s\u1eed d\u1ee5ng t\u1eeb kh\u00f3a trong t\u00ean file \u1ea3nh.<\/p>\n\n\n\n<p>\u0110i\u1ec1u n\u00e0y th\u1eadt \u0111\u01a1n gi\u1ea3n: n\u1ebfu \u1ea3nh c\u1ee7a b\u1ea1n ch\u1ee5p b\u00ecnh minh \u1edf H\u1ed3 T\u00e2y, H\u00e0 N\u1ed9i, file \u1ea3nh c\u1ee7a b\u1ea1n kh\u00f4ng n\u00ean \u0111\u1eb7t l\u00e0 <em>DSC4906.jpg<\/em>, m\u00e0 n\u00ean l\u00e0 <em>binh-minh-ho-tay.jpg<\/em>.<\/p>\n\n\n\n<p>T\u1eeb kh\u00f3a ch\u00ednh l\u00e0 H\u1ed3 T\u00e2y, l\u00e0 ch\u1ee7 \u0111\u1ec1 ch\u00ednh c\u1ee7a b\u1ee9c \u1ea3nh. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 \u0111\u1ec3 t\u00ean \u1ea3nh l\u00e0 <em>ho-tay-binh-minh.jpg<\/em>, v\u00ec t\u00ean \u1ea3nh b\u1eaft \u0111\u1ea7u v\u1edbi t\u1eeb kh\u00f3a ch\u00ednh \u0111\u01b0\u1ee3c cho l\u00e0 t\u1ed1t h\u01a1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Ch\u1ecdn \u0111\u00fang \u0111\u1ecbnh d\u1ea1ng<\/h3>\n\n\n\n<p>V\u1edbi \u1ea3nh, kh\u00e1i ni\u1ec7m \u0111\u1ecbnh d\u1ea1ng \u0111\u00fang r\u1ea5t m\u1ec1m d\u1ebbo; n\u00f3 ph\u1ee5 thu\u1ed9c v\u00e0o ki\u1ec3u \u1ea3nh v\u00e0 c\u00e1ch b\u1ea1n mu\u1ed1n s\u1eed d\u1ee5ng n\u00f3. Ng\u1eafn g\u1ecdn th\u00ec ch\u00fang t\u00f4i khuy\u00ean b\u1ea1n:<\/p>\n\n\n\n<ul><li><strong>Ch\u1ecdn \u1ea3nh \u0111\u1ecbnh d\u1ea1ng JPEG cho \u1ea3nh ch\u1ee5p ho\u1eb7c \u1ea3nh minh h\u1ecda l\u1edbn<\/strong>: n\u00f3 s\u1ebd cho b\u1ea1n k\u1ebft qu\u1ea3 t\u1ed1t trong kh\u00eda c\u1ea1nh m\u00e0u s\u1eafc v\u00e0 s\u1ef1 r\u00f5 r\u00e0ng trong khi k\u00edch c\u1ee1 file \u1ea3nh l\u1ea1i kh\u00e1 nh\u1ecf (\u0111i\u1ec1u t\u1ed1t cho vi\u1ec7c <a href=\"https:\/\/kiencang.net\/tang-toc-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">t\u0103ng t\u1ed1c \u0111\u1ed9 website<\/a>).<\/li><li>S\u1eed d\u1ee5ng \u1ea3nh PNG n\u1ebfu b\u1ea1n mu\u1ed1n gi\u1eef thu\u1ed9c t\u00ednh trong su\u1ed1t c\u1ee7a n\u1ec1n.<\/li><li>Ho\u1eb7c <a href=\"https:\/\/kiencang.net\/dinh-dang-anh-webp\/\" target=\"_blank\" rel=\"noreferrer noopener\">s\u1eed d\u1ee5ng \u0111\u1ecbnh d\u1ea1ng \u1ea3nh WebP thay th\u1ebf cho JPEG v\u00e0 PNG<\/a>. N\u00f3 s\u1ebd t\u1ea1o ra k\u1ebft qu\u1ea3 ch\u1ea5t l\u01b0\u1ee3ng cao t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi k\u00edch c\u1ee1 \u1ea3nh nh\u1ecf h\u01a1n, B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 nh\u01b0 <a href=\"https:\/\/squoosh.app\/\" target=\"_blank\" rel=\"noreferrer noopener\">Squoosh<\/a> \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i \u1ea3nh sang \u0111\u1ecbnh d\u1ea1ng WebP.<\/li><li>S\u1eed d\u1ee5ng \u0111\u1ecbnh d\u1ea1ng SVG cho logo v\u00e0 icon. V\u1edbi s\u1ef1 gi\u00fap \u0111\u1ee1 c\u1ee7a CSS v\u00e0 JavaScript b\u1ea1n c\u00f3 th\u1ec3 qu\u1ea3n l\u00fd \u1ea3nh trong \u0111\u1ecbnh d\u1ea1ng SVG v\u1edbi m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng th\u00fa v\u1ecb nh\u01b0 ch\u1ec9nh s\u1eeda k\u00edch c\u1ee1 \u1ea3nh m\u00e0 kh\u00f4ng l\u00e0m suy gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng.<\/li><\/ul>\n\n\n\n<p>N\u1ebfu b\u1ea1n bi\u1ebft ph\u1ea7n l\u1edbn \u0111\u1ed9c gi\u1ea3 c\u1ee7a b\u1ea1n s\u1eed d\u1ee5ng m\u1ed9t tr\u00ecnh duy\u1ec7t c\u1ee5 th\u1ec3 ho\u1eb7c thi\u1ebft b\u1ecb c\u1ee5 th\u1ec3 n\u00e0o \u0111\u00f3, b\u1ea1n c\u00f3 th\u1ec3 ki\u1ec3m tra xem li\u1ec7u \u0111\u1ecbnh d\u1ea1ng b\u1ea1n \u01b0a th\u00edch c\u00f3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi c\u00e1c tr\u00ecnh duy\u1ec7t \u0111\u00f3 hay kh\u00f4ng b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng <a href=\"https:\/\/caniuse.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">CanIuse.com<\/a><\/p>\n\n\n\n<p>Khi b\u1ea1n \u0111\u00e3 c\u00f3 \u0111\u01b0\u1ee3c t\u00ean v\u00e0 \u0111\u1ecbnh d\u1ea1ng \u1ea3nh ph\u00f9 h\u1ee3p, th\u00ec b\u01b0\u1edbc ti\u1ebfp theo l\u00e0 thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc v\u00e0 t\u1ed1i \u01b0u h\u00f3a \u1ea3nh c\u1ee7a b\u1ea1n!<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Thay \u0111\u1ed5i k\u00edch c\u1ee1 trong SEO \u1ea3nh<\/h3>\n\n\n\n<p>Th\u1eddi gian t\u1ea3i trang quan tr\u1ecdng v\u1edbi c\u1ea3 UX (tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng) v\u00e0 SEO. Trang t\u1ea3i c\u00e0ng nhanh, n\u00f3 c\u00e0ng d\u1ec5 \u0111\u01b0\u01a1c gh\u00e9 th\u0103m v\u00e0 l\u1eadp ch\u1ec9 m\u1ee5c. C\u00e1c \u1ea3nh c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng l\u1edbn l\u00ean th\u1eddi gian t\u1ea3i trang, \u0111\u1eb7c bi\u1ec7t khi b\u1ea1n t\u1ea3i l\u00ean \u1ea3nh l\u1edbn nh\u01b0ng sau \u0111\u00f3 \u1ea3nh hi\u1ec3n th\u1ecb l\u1ea1i nh\u1ecf h\u01a1n nhi\u1ec1u &#8211; l\u1ea5y v\u00ed d\u1ee5 h\u01a1i c\u1ef1c \u0111oan nh\u01b0 \u1ea3nh c\u00f3 k\u00edch c\u1ee1 2500 x 1500 px l\u1ea1i hi\u1ec3n th\u1ecb v\u1edbi \u0111\u1ed9 ph\u00e2n gi\u1ea3i ch\u1ec9 c\u00f3 250 x 150 px &#8211; trong khi \u1ea3nh l\u1edbn v\u1eabn \u0111\u01b0\u1ee3c t\u1ea3i.<\/p>\n\n\n\n<p>V\u00ec th\u1ebf h\u00e3y \u0111i\u1ec1u ch\u1ec9nh k\u00edch c\u1ee1 \u1ea3nh v\u1ec1 k\u00edch th\u01b0\u1edbc m\u00e0 b\u1ea1n mu\u1ed1n hi\u1ec3n th\u1ecb. WordPress gi\u00fap ch\u00fang ta b\u1eb1ng c\u00e1ch t\u1ef1 \u0111\u1ed9ng cung c\u1ea5p c\u00e1c \u1ea3nh c\u00f3 nhi\u1ec1u k\u00edch c\u1ee1 kh\u00e1c nhau sau khi t\u1ea3i l\u00ean. Nh\u01b0ng ch\u00fang ta s\u1ebd c\u00f2n v\u1ea5t v\u1ea3 th\u00eam, v\u00ec vi\u1ec7c v\u1eeba r\u1ed3i v\u1eabn ch\u01b0a h\u1eb3n l\u00e0 t\u1ed1i \u01b0u h\u00f3a dung l\u01b0\u1ee3ng file, n\u00f3 m\u1edbi ch\u1ec9 l\u00e0 t\u1ed1i \u01b0u h\u00f3a k\u00edch c\u1ee1 hi\u1ec3n th\u1ecb m\u00e0 th\u00f4i.<\/p>\n\n\n\n<p>P\/S: Trong ph\u1ea7n l\u1edbn tr\u01b0\u1eddng h\u1ee3p b\u1ea1n kh\u00f4ng n\u00ean up \u1ea3nh c\u00f3 k\u00edch c\u1ee1 l\u1edbn h\u01a1n khung ngang c\u1ee7a trang web, n\u1ebfu n\u00f3 c\u00f3 \u0111\u1ed9 r\u1ed9ng 900px, vi\u1ec7c b\u1ea1n up l\u00ean b\u1ee9c \u1ea3nh c\u00f3 \u0111\u1ed9 r\u1ed9ng 1600px l\u00e0 r\u1ea5t ph\u00ed ph\u1ea1m.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. S\u1eed d\u1ee5ng \u1ea3nh \u0111\u00e1p \u1ee9ng (c\u00f3 kh\u1ea3 n\u0103ng co gi\u00e3n theo k\u00edch c\u1ee1 m\u00e0n h\u00ecnh)<\/h3>\n\n\n\n<p>\u0110\u00e2y c\u0169ng l\u00e0 m\u1ed9t ph\u1ea7n c\u01a1 b\u1ea3n trong SEO, v\u00e0 n\u1ebfu b\u1ea1n s\u1eed d\u1ee5ng WordPress, n\u00f3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o theo m\u1eb7c \u0111\u1ecbnh t\u1eeb phi\u00ean b\u1ea3n 4.4 tr\u1edf \u0111i. <\/p>\n\n\n\n<p>\u1ea2nh c\u00f3 th\u00eam thu\u1ed9c t\u00ednh <em>srcset<\/em>, c\u00e1i gi\u00fap n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng t\u1ea1o ra m\u1ed9t h\u00ecnh \u1ea3nh kh\u00e1c cho m\u1ed7i \u0111\u1ed9 r\u1ed9ng m\u00e0n h\u00ecnh t\u01b0\u01a1ng \u1ee9ng &#8211; \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch cho thi\u1ebft b\u1ecb di \u0111\u1ed9ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. Gi\u1ea3m dung l\u01b0\u1ee3ng \u1ea3nh<\/h3>\n\n\n\n<p>B\u01b0\u1edbc k\u1ebf ti\u1ebfp trong SEO \u1ea3nh l\u00e0 ph\u1ea3i \u0111\u1ea3m b\u1ea3o \u1ea3nh \u0111\u00e3 \u0111i\u1ec1u ch\u1ec9nh k\u00edch c\u1ee1 t\u1ed1i \u01b0u \u0111\u01b0\u1ee3c n\u00e9n, nh\u1edd \u0111\u00f3 m\u00e0 n\u00f3 c\u00f3 \u0111\u01b0\u1ee3c dung l\u01b0\u1ee3ng \u1ea3nh nh\u1ecf nh\u1ea5t c\u00f3 th\u1ec3.<\/p>\n\n\n\n<p>T\u1ea5t nhi\u00ean, b\u1ea1n c\u00f3 th\u1ec3 xu\u1ea5t \u1ea3nh v\u00e0 tr\u1ea3i nghi\u1ec7m v\u1edbi t\u1ef7 l\u1ec7 ph\u1ea7n tr\u0103m ch\u1ea5t l\u01b0\u1ee3ng thay \u0111\u1ed5i s\u1ebd cho k\u1ebft qu\u1ea3 nh\u01b0 th\u1ebf n\u00e0o, nh\u01b0ng t\u00f4i th\u00edch s\u1eed d\u1ee5ng \u1ea3nh v\u1edbi 100% ch\u1ea5t l\u01b0\u1ee3ng, \u0111\u1eb7c bi\u1ec7t v\u1edbi s\u1ef1 ph\u1ed5 bi\u1ebfn c\u1ee7a m\u00e0n h\u00ecnh retina v\u00e0 c\u00e1c k\u00edch c\u1ee1 m\u00e0n h\u00ecnh t\u01b0\u01a1ng t\u1ef1.<\/p>\n\n\n<div class=\"wp-block-image size-full wp-image-12577\">\n<figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"350\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/08\/jpegmini.jpg\" alt=\"c\u00f4ng c\u1ee5 JPEGmini gi\u00fap gi\u1ea3m dung l\u01b0\u1ee3ng \u1ea3nh\" class=\"wp-image-12577\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/08\/jpegmini.jpg 800w, https:\/\/kiencang.net\/wp-content\/uploads\/2019\/08\/jpegmini-300x131.jpg 300w, https:\/\/kiencang.net\/wp-content\/uploads\/2019\/08\/jpegmini-768x336.jpg 768w, https:\/\/kiencang.net\/wp-content\/uploads\/2019\/08\/jpegmini-585x256.jpg 585w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption>Nh\u1eefng c\u00f4ng c\u1ee5 nh\u01b0 JPEGmini c\u00f3 th\u1ec3 gi\u1ea3m \u0111\u00e1ng k\u1ec3 dung l\u01b0\u1ee3ng file \u1ea3nh m\u00e0 kh\u00f4ng g\u00e2y c\u1ea3m gi\u00e1c kh\u00f3 ch\u1ecbu<\/figcaption><\/figure><\/div>\n\n\n<p>B\u1ea1n c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c gi\u1ea3m k\u00edch c\u1ee1 c\u1ee7a nh\u1eefng \u1ea3nh n\u00e0y b\u1eb1ng c\u00e1ch, v\u00ed d\u1ee5 nh\u01b0 lo\u1ea1i b\u1ecf EXIF data. Ch\u00fang t\u00f4i khuy\u1ebfn kh\u00edch b\u1ea1n s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 <a href=\"https:\/\/imageoptim.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">ImageOptim<\/a> ho\u1eb7c website nh\u01b0 <a href=\"http:\/\/www.jpegmini.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">JPEGmini<\/a>, <a href=\"https:\/\/www.jpeg.io\/\" target=\"_blank\" rel=\"noreferrer noopener\">jpeg.io<\/a> ho\u1eb7c <a href=\"https:\/\/kraken.io\/\" target=\"_blank\" rel=\"noreferrer noopener\">Kraken.io<\/a>.<\/p>\n\n\n\n<p>P\/S: n\u1ebfu b\u1ea1n s\u1eed d\u1ee5ng <a href=\"https:\/\/kiencang.net\/plugin-nen-anh-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">WordPress c\u00f3 r\u1ea5t nhi\u1ec1u plugin gi\u00fap t\u1ed1i \u01b0u h\u00f3a \u1ea3nh<\/a> cho b\u1ea1n. M\u1ed9t s\u1ed1 c\u00e1i y\u00eau c\u1ea7u tr\u1ea3 ph\u00ed, tuy nhi\u00ean c\u00e1c c\u00f4ng c\u1ee5 mi\u1ec5n ph\u00ed l\u00e0 \u0111\u1ee7 d\u00f9ng cho nh\u1eefng ai kh\u00f4ng qu\u00e1 kh\u00f3 t\u00ednh.<\/p>\n\n\n\n<p>Khi b\u1ea1n \u0111\u00e3 t\u1ed1i \u01b0u h\u00f3a xong \u1ea3nh, h\u00e3y ki\u1ec3m tra trang c\u1ee7a b\u1ea1n v\u1edbi c\u00e1c c\u00f4ng c\u1ee5 ki\u1ec3m tra t\u1ed1c \u0111\u1ed9 nh\u01b0 <a href=\"https:\/\/developers.google.com\/speed\/pagespeed\/insights\/\" target=\"_blank\" rel=\"noreferrer noopener\">Google PageSpeed Insights<\/a> (\u0111\u1ecdc th\u00eam v\u1ec1 <a href=\"https:\/\/kiencang.net\/tang-toc-web-pagespeed-insights\/\" target=\"_blank\" rel=\"noreferrer noopener\">c\u00e1ch s\u1eed d\u1ee5ng Google PageSpeed Insights<\/a> \u1edf \u0111\u00e2y), Lighthouse, <a href=\"https:\/\/webpagetest.org\/\" target=\"_blank\" rel=\"noreferrer noopener\">WebPageTest.org<\/a> ho\u1eb7c <a href=\"https:\/\/tools.pingdom.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">Pingdom<\/a> (\u0111\u1ecdc th\u00eam v\u1ec1 <a href=\"https:\/\/kiencang.net\/huong-dan-su-dung-pingdom\/\" target=\"_blank\" rel=\"noreferrer noopener\">c\u00e1ch s\u1eed d\u1ee5ng Pingdom<\/a>).<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"7_Them_anh_vao_bai_viet\"><\/span>#7. Th\u00eam \u1ea3nh v\u00e0o b\u00e0i vi\u1ebft<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Cho d\u00f9 Google ng\u00e0y c\u00e0ng c\u00f3 kh\u1ea3 n\u0103ng hi\u1ec3u \u1ea3nh t\u1ed1t h\u01a1n, b\u1ea1n kh\u00f4ng n\u00ean ch\u1ec9 d\u1ef1a d\u1eabm v\u00e0o kh\u1ea3 n\u0103ng c\u1ee7a h\u1ecd. Vi\u1ec7c cung c\u1ea5p b\u1ed1i c\u1ea3nh cho h\u00ecnh \u1ea3nh ph\u1ee5 thu\u1ed9c ho\u00e0n to\u00e0n v\u00e0o b\u1ea1n &#8211; v\u00ec th\u1ebf n\u1ebfu b\u1ea1n l\u00e0m \u0111i\u1ec1u n\u00e0y c\u00e0ng t\u1ed1t th\u00ec b\u1ea1n c\u00e0ng c\u00f3 l\u1ee3i.<\/p>\n\n\n\n<p>Gi\u1edd \u0111\u00e2y \u1ea3nh c\u1ee7a b\u1ea1n \u0111\u00e3 s\u1eb5n s\u00e0ng \u0111\u1ec3 d\u00f9ng, nh\u01b0ng \u0111i\u1ec1u \u0111\u00f3 kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 b\u1ea1n c\u1ee9 th\u1ec3 qu\u1eb3ng n\u00f3 v\u00e0o b\u00e0i vi\u1ebft l\u00e0 xong. Nh\u01b0 t\u00f4i c\u00f3 \u0111\u1ec1 c\u1eadp \u1edf ph\u1ea7n tr\u00ean, \u0111\u1eb7t n\u00f3 g\u1ea7n n\u1ed9i dung v\u0103n b\u1ea3n li\u00ean quan s\u1ebd gi\u00fap \u00edch r\u1ea5t nhi\u1ec1u. N\u00f3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng v\u0103n b\u1ea3n l\u00e0 li\u00ean quan \u0111\u1ebfn \u1ea3nh c\u0169ng nh\u01b0 \u1ea3nh li\u00ean quan \u0111\u1ebfn v\u0103n b\u1ea3n (lu\u00f4n ghi nh\u1edb trong \u0111\u1ea7u 2 t\u1eeb kh\u00f3a r\u1ea5t quan tr\u1ecdng trong SEO l\u00e0 li\u00ean quan vs h\u1eefu \u00edch).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Caption<\/h3>\n\n\n<div class=\"wp-block-image size-full wp-image-12096\">\n<figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"200\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2013\/07\/ducanh1-1.jpg\" alt=\"Nguy\u1ec5n \u0110\u1ee9c Anh\" class=\"wp-image-12096\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2013\/07\/ducanh1-1.jpg 200w, https:\/\/kiencang.net\/wp-content\/uploads\/2013\/07\/ducanh1-1-150x150.jpg 150w\" sizes=\"(max-width: 200px) 100vw, 200px\" \/><figcaption>Nguy\u1ec5n \u0110\u1ee9c Anh &#8211; \u0110\u00e2y l\u00e0 caption<\/figcaption><\/figure><\/div>\n\n\n<p>Caption (ch\u00fa th\u00edch) c\u1ee7a \u1ea3nh l\u00e0 \u0111o\u1ea1n v\u0103n b\u1ea3n g\u1eafn c\u00f9ng v\u1edbi b\u1ee9c \u1ea3nh \u0111\u00f3 tr\u00ean trang &#8211; n\u1ebfu b\u1ea1n nh\u00ecn k\u1ef9 c\u00e1c b\u1ee9c \u1ea3nh trong b\u00e0i vi\u1ebft n\u00e0y, n\u00f3 ch\u00ednh l\u00e0 v\u0103n b\u1ea3n trong h\u1ed9p m\u00e0u x\u00e1m ngay b\u00ean d\u01b0\u1edbi m\u1ed7i \u1ea3nh. T\u1ea1i sao c\u00e1c caption l\u1ea1i quan tr\u1ecdng \u0111\u1ed1i v\u1edbi SEO \u1ea3nh? B\u1edfi v\u00ec m\u1ecdi ng\u01b0\u1eddi s\u1eed d\u1ee5ng ch\u00fang khi \u0111\u1ecdc qu\u00e9t b\u00e0i vi\u1ebft. M\u1ecdi ng\u01b0\u1eddi c\u00f3 xu h\u01b0\u1edbng qu\u00e9t ti\u00eau \u0111\u1ec1, \u1ea3nh, v\u00e0 caption khi h\u1ecd <a href=\"https:\/\/kiencang.net\/cach-nguoi-dung-doc-tren-web\/\">\u0111\u1ecdc qu\u00e9t trang web<\/a>. N\u0103m 1997, Nielsen vi\u1ebft:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote\"><p>Nh\u1eefng th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng \u0111\u1ecdc qu\u00e9t bao g\u1ed3m ti\u00eau \u0111\u1ec1, v\u0103n b\u1ea3n l\u1edbn v\u00e0 b\u00f4i \u0111\u1eadm, v\u0103n b\u1ea3n highlight, <a href=\"https:\/\/kiencang.net\/danh-sach-gach-dau-dong\/\">danh s\u00e1ch d\u1ea1ng ch\u1ea5m tr\u00f2n (g\u1ea1ch \u0111\u1ea7u d\u00f2ng)<\/a>, \u1ea3nh \u0111\u1ed3 h\u1ecda, caption, c\u00e2u ch\u1ee7 \u0111\u1ec1, v\u00e0 n\u1ed9i dung b\u1ea3ng bi\u1ec3u<\/p><cite>&#8211;  Nielsen <\/cite><\/blockquote>\n\n\n\n<p>N\u0103m 2012, KissMetrics th\u1eadm ch\u00ed c\u00f2n \u0111i xa h\u01a1n, khi tuy\u00ean b\u1ed1 r\u1eb1ng:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote\"><p>Caption b\u00ean d\u01b0\u1edbi \u1ea3nh \u0111\u01b0\u1ee3c \u0111\u1ecdc trung b\u00ecnh nhi\u1ec1u h\u01a1n 300% so v\u1edbi v\u0103n b\u1ea3n trong ph\u1ea7n n\u1ed9i dung th\u00f4ng th\u01b0\u1eddng, v\u00ec th\u1ebf n\u1ebfu kh\u00f4ng s\u1eed d\u1ee5ng ch\u00fang, ho\u1eb7c s\u1eed d\u1ee5ng ch\u00fang kh\u00f4ng h\u1ee3p l\u00fd, ngh\u0129a l\u00e0 b\u1ea1n \u0111\u00e3 b\u1ecf l\u1ee1 c\u01a1 h\u1ed9i thu h\u00fat m\u1ed9t l\u01b0\u1ee3ng l\u1edbn \u0111\u1ed9c gi\u1ea3 ti\u1ec1m n\u0103ng.<\/p><cite>&#8211;  KissMetrics <\/cite><\/blockquote>\n\n\n\n<p>B\u1ea1n c\u00f3 c\u1ea7n th\u00eam caption v\u00e0o t\u1ea5t c\u1ea3 c\u00e1c b\u1ee9c \u1ea3nh kh\u00f4ng? C\u00e2u tr\u1ea3 l\u1eddi l\u00e0 KH\u00d4NG, b\u1edfi v\u00ec \u0111\u00f4i khi \u1ea3nh \u0111\u01b0\u1ee3c ph\u1ee5c v\u1ee5 cho m\u1ee5c \u0111\u00edch kh\u00e1c. B\u1ea1n c\u1ea7n t\u1ef1 quy\u1ebft chuy\u1ec7n b\u1ea1n c\u00f3 mu\u1ed1n s\u1eed d\u1ee5ng caption cho SEO hay kh\u00f4ng. <\/p>\n\n\n\n<p>B\u1ea1n c\u1ea7n ph\u1ea3i ghi nh\u1edb trong \u0111\u1ea7u kh\u1ea9u quy\u1ebft l\u00e0 tr\u00e1nh t\u1ed1i \u01b0u h\u00f3a qu\u00e1 m\u1ee9c (over-optimization), \u00fd c\u1ee7a t\u00f4i l\u00e0 b\u1ea1n ch\u1ec9 n\u00ean b\u1ed5 sung th\u00eam caption ch\u1ed7 n\u00e0o m\u00e0 n\u00f3 c\u00f3 \u00fd ngh\u0129a v\u1edbi \u0111\u1ed9c gi\u1ea3. H\u00e3y ngh\u0129 v\u1ec1 ng\u01b0\u1eddi \u0111\u1ecdc tr\u01b0\u1edbc, v\u00e0 \u0111\u1eebng b\u1ed5 sung caption ch\u1ec9 \u0111\u01a1n thu\u1ea7n v\u00ec m\u1ee5c \u0111\u00edch SEO \u1ea3nh thu\u1ea7n t\u00fay.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. V\u0103n b\u1ea3n ALT v\u00e0 Title trong SEO \u1ea3nh<\/h3>\n\n\n\n<p>V\u0103n b\u1ea3n ALT (ho\u1eb7c th\u1ebb ALT) l\u00e0 n\u1ed9i dung b\u1ed5 sung th\u00eam cho \u1ea3nh \u0111\u1ec3 n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 m\u00f4 t\u1ea3 trong tr\u01b0\u1eddng h\u1ee3p \u1ea3nh kh\u00f4ng th\u1ec3 hi\u1ec3n th\u1ecb cho ng\u01b0\u1eddi \u0111\u1ecdc v\u00ec m\u1ed9t l\u00fd do n\u00e0o \u0111\u00f3. T\u00f4i kh\u00f4ng th\u1ec3 ngh\u0129 ra c\u00e2u n\u00e0o t\u1ed1t h\u01a1n b\u00e1ch khoa to\u00e0n th\u01b0 Wikipedia khi b\u00e0n v\u1ec1 chuy\u1ec7n n\u00e0y:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote\"><p>Trong t\u00ecnh hu\u1ed1ng khi m\u00e0 \u1ea3nh kh\u00f4ng th\u1ec3 hi\u1ec3n th\u1ecb cho ng\u01b0\u1eddi \u0111\u1ecdc, c\u00f3 th\u1ec3 l\u00e0 v\u00ec h\u1ecd t\u1eaft hi\u1ec3n th\u1ecb \u1ea3nh tr\u00ean tr\u00ecnh duy\u1ec7t, ho\u1eb7c s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb \u0111\u1ecdc m\u00e0n h\u00ecnh do g\u1eb7p v\u1ea5n \u0111\u1ec1 khi\u1ebfm th\u1ecb, l\u00fac n\u00e0y v\u0103n b\u1ea3n thay th\u1ebf (alternative text) \u0111\u1ea3m b\u1ea3o r\u1eb1ng kh\u00f4ng c\u00f3 th\u00f4ng tin ho\u1eb7c ch\u1ee9c n\u0103ng n\u00e0o b\u1ecb m\u1ea5t.<\/p><cite>&#8211;  Wikipedia <\/cite><\/blockquote>\n\n\n\n<p>C\u1ea7n \u0111\u1ea3m b\u1ea3o r\u1eb1ng v\u0103n b\u1ea3n ALT \u0111\u01b0\u1ee3c th\u00eam v\u00e0o t\u1ea5t c\u1ea3 c\u00e1c \u1ea3nh b\u1ea1n s\u1eed d\u1ee5ng v\u00e0 n\u00f3 ph\u1ea3i bao g\u1ed3m c\u1ee5m t\u1eeb kh\u00f3a mu\u1ed1n SEO cho trang (t\u1ea5t nhi\u00ean ch\u1ec9 khi \u0111i\u1ec1u \u0111\u00f3 l\u00e0 th\u00edch h\u1ee3p). \u0110i\u1ec1u quan tr\u1ecdng nh\u1ea5t l\u00e0 n\u00ean s\u1eed d\u1ee5ng t\u1eeb ng\u1eef m\u00f4 t\u1ea3 b\u1ee9c \u1ea3nh sao cho c\u1ea3 m\u00e1y t\u00ecm ki\u1ebfm v\u00e0 ng\u01b0\u1eddi d\u00f9ng th\u1ea5y c\u00f3 \u00fd ngh\u0129a. C\u00e0ng c\u00f3 nhi\u1ec1u th\u00f4ng tin li\u00ean quan xung quanh b\u1ee9c \u1ea3nh, c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm c\u00e0ng coi h\u00ecnh \u1ea3nh n\u00e0y l\u00e0 quan tr\u1ecdng.<\/p>\n\n\n\n<p>Khi hover qua h\u00ecnh \u1ea3nh, m\u1ed9t s\u1ed1 tr\u00ecnh duy\u1ec7t s\u1ebd hi\u1ec3n th\u1ecb v\u0103n b\u1ea3n title d\u01b0\u1edbi d\u1ea1ng tooltip. Tr\u00ecnh duy\u1ec7t Chrome hi\u1ec3n th\u1ecb v\u0103n b\u1ea3n title theo chu\u1ea9n c\u1ee7a <a href=\"http:\/\/www.w3.org\/TR\/html4\/struct\/global.html#adef-title\" target=\"_blank\" rel=\"noreferrer noopener\">t\u1ed5 ch\u1ee9c W3 m\u00f4 t\u1ea3<\/a>.&nbsp; V\u0103n b\u1ea3n title cho \u1ea3nh l\u00e0 t\u01b0\u01a1ng t\u1ef1 v\u00e0 c\u00f3 nhi\u1ec1u ng\u01b0\u1eddi \u0111\u1ec3 n\u1ed9i dung c\u1ee7a title \u0111\u01a1n gi\u1ea3n ch\u1ec9 l\u00e0 copy v\u0103n b\u1ea3n t\u1eeb ALT, nh\u01b0ng ng\u00e0y c\u00e0ng c\u00f3 nhi\u1ec1u ng\u01b0\u1eddi b\u1ecf n\u00f3 \u0111i ho\u00e0n to\u00e0n. T\u1ea1i sao l\u1ea1i nh\u01b0 v\u1eady? H\u00e3y nghe l\u1eddi gi\u1ea3i th\u00edch t\u1eeb Mozilla:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote\"><p>Title c\u00f3 m\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1 v\u1ec1 kh\u1ea3 n\u0103ng truy c\u1eadp, ch\u1ee7 y\u1ebfu l\u00e0 d\u1ef1a tr\u00ean th\u1ef1c t\u1ebf r\u1eb1ng <em>kh\u1ea3 n\u0103ng h\u1ed7 tr\u1ee3 \u0111\u1ecdc m\u00e0n h\u00ecnh c\u1ee7a n\u00f3 r\u1ea5t kh\u00f3 \u0111o\u00e1n \u0111\u1ecbnh<\/em>, v\u00e0 h\u1ea7u h\u1ebft tr\u00ecnh duy\u1ec7t kh\u00f4ng hi\u1ec3n th\u1ecb n\u00f3 tr\u1eeb khi ng\u01b0\u1eddi d\u00f9ng hover chu\u1ed9t (v\u00ec th\u1ebf n\u00f3 kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng truy c\u1eadp cho ng\u01b0\u1eddi d\u00f9ng ch\u1ec9 d\u00f9ng b\u00e0n ph\u00edm m\u00e0 kh\u00f4ng c\u00f3 chu\u1ed9t).<\/p><cite>&#8211;  Mozilla <\/cite><\/blockquote>\n\n\n\n<p>T\u1ed1t h\u01a1n l\u00e0 bao g\u1ed3m c\u00e1c th\u00f4ng tin h\u1ed7 tr\u1ee3 cho \u1ea3nh trong n\u1ed9i dung ch\u00ednh c\u1ee7a b\u00e0i vi\u1ebft, h\u01a1n l\u00e0 g\u1eafn n\u00f3 v\u00e0o \u1ea3nh.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. B\u1ed5 sung d\u1eef li\u1ec7u c\u00f3 c\u1ea5u tr\u00fac cho \u1ea3nh<\/h3>\n\n\n\n<p>Khi th\u00eam d\u1eef li\u1ec7u c\u00f3 c\u1ea5u tr\u00fac (structured data) cho trang, \u0111i\u1ec1u n\u00e0y gi\u00fap m\u00e1y t\u00ecm ki\u1ebfm hi\u1ec3n th\u1ecb \u1ea3nh c\u1ee7a b\u1ea1n trong k\u1ebft qu\u1ea3 c\u00f3 h\u00ecnh th\u1ee9c \u0111a d\u1ea1ng, phong ph\u00fa h\u01a1n (rich result). Trong khi ch\u00ednh Google n\u00f3i r\u1eb1ng, d\u1eef li\u1ec7u c\u00f3 c\u1ea5u tr\u00fac kh\u00f4ng gi\u00fap trang th\u0103ng h\u1ea1ng t\u1ed1t h\u01a1n, th\u00ec d\u1eef li\u1ec7u c\u00f3 c\u1ea5u tr\u00fac l\u1ea1i gi\u00fap danh s\u00e1ch \u1ea3nh trong t\u00ecm ki\u1ebfm \u1ea3nh tr\u1edf n\u00ean \u0111\u1ea7y \u0111\u1ee7 h\u01a1n.<\/p>\n\n\n\n<p>L\u1ea5y v\u00ed d\u1ee5, n\u1ebfu b\u1ea1n c\u00f3 m\u1ed9t c\u00f4ng th\u1ee9c n\u1ea5u \u0103n tr\u00ean trang web v\u00e0 b\u1ed5 sung d\u1eef li\u1ec7u c\u00f3 c\u1ea5u tr\u00fac cho n\u00f3, c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm h\u00ecnh \u1ea3nh c\u1ee7a Google c\u00f3 th\u1ec3 b\u1ed5 sung th\u00eam badge (huy hi\u1ec7u) cho h\u00ecnh \u1ea3nh c\u1ee7a b\u1ea1n \u0111\u1ec3 cho th\u1ea5y \u1ea3nh n\u00e0y thu\u1ed9c v\u1ec1 m\u1ed9t c\u00f4ng th\u1ee9c n\u1ea5u \u0103n. C\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm h\u00ecnh \u1ea3nh c\u1ee7a Google h\u1ed7 tr\u1ee3 d\u1eef li\u1ec7u c\u00f3 c\u1ea5u tr\u00fac cho nh\u1eefng \u0111\u1ecbnh d\u1ea1ng sau:<\/p>\n\n\n\n<ul><li>S\u1ea3n ph\u1ea9m<\/li><li><a href=\"https:\/\/kiencang.net\/video-marketing\/\">Video<\/a><\/li><li>C\u00f4ng th\u1ee9c n\u1ea5u \u0103n<\/li><\/ul>\n\n\n\n<p>Google c\u00f3 m\u1ed9t s\u1ed1 h\u01b0\u1edbng d\u1eabn m\u00e0 b\u1ea1n c\u1ea7n tu\u00e2n th\u1ee7 n\u1ebfu b\u1ea1n mu\u1ed1n \u1ea3nh c\u1ee7a m\u00ecnh xu\u1ea5t hi\u1ec7n phong ph\u00fa h\u01a1n tr\u00ean c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm h\u00ecnh \u1ea3nh. \u0110i\u1ec3m ch\u00ednh l\u00e0 thu\u1ed9c t\u00ednh h\u00ecnh \u1ea3nh b\u1eaft bu\u1ed9c ph\u1ea3i c\u00f3, v\u00e0 \u1ea3nh c\u1ee7a b\u1ea1n ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng thu th\u1eadp d\u1eef li\u1ec7u (crawlable) v\u00e0 l\u1eadp ch\u1ec9 m\u1ee5c (indexable).<\/p>\n\n\n\n<p>B\u1ea1n c\u00f3 th\u1ec3 t\u00ecm th\u1ea5y ch\u00fang \u0111\u1ea7y \u0111\u1ee7 trong <a href=\"https:\/\/developers.google.com\/search\/docs\/guides\/sd-policies#images\" target=\"_blank\" rel=\"noreferrer noopener\">h\u01b0\u1edbng d\u1eabn chung v\u1ec1 d\u1eef li\u1ec7u c\u00f3 c\u1ea5u tr\u00fac c\u1ee7a Google<\/a>. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 th\u1eed h\u1ecdc kh\u00f3a h\u1ecdc v\u1ec1 d\u1eef li\u1ec7u c\u00f3 c\u1ea5u tr\u00fac c\u1ee7a Yoast n\u1ebfu mu\u1ed1n bi\u1ebft c\u00e1ch b\u1ed5 sung d\u1eef li\u1ec7u c\u00f3 c\u1ea5u tr\u00fac v\u00e0o trang c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Th\u1ebb OpenGraph v\u00e0 Twitter<\/h3>\n\n\n\n<p>\u1ede ph\u1ea7n \u0111\u1ea7u, t\u00f4i \u0111\u00e3 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng \u1ea3nh trong vi\u1ec7c chia s\u1ebd b\u00e0i \u0111\u0103ng tr\u00ean m\u1ea1ng x\u00e3 h\u1ed9i. N\u1ebfu b\u1ea1n b\u1ed5 sung th\u1ebb \u1ea3nh trong ph\u1ea7n <code>&lt;head&gt;<\/code> n\u1eb1m trong trang HTML gi\u1ed1ng nh\u01b0 th\u1ebf n\u00e0y:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">&lt;meta property=\"og:image\" content=\"http:\/\/example.com\/link-to-image.jpg\" \/&gt;<\/pre>\n\n\n\n<p>\u0110i\u1ec1u \u0111\u00f3 s\u1ebd \u0111\u1ea3m b\u1ea3o r\u1eb1ng \u1ea3nh s\u1ebd \u0111\u01b0\u1ee3c bao g\u1ed3m trong chia s\u1ebb c\u1ee7a b\u1ea1n tr\u00ean Facebook (v\u00e0 OpenGraph c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho <a href=\"https:\/\/developers.pinterest.com\/rich_pins_overview\/\" target=\"_blank\" rel=\"noreferrer noopener\">Pinterest<\/a> n\u1eefa).<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"501\" height=\"589\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/08\/chia-se-facebook.png\" alt=\"chia s\u1ebb tr\u00ean Facebook\" class=\"wp-image-12575\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/08\/chia-se-facebook.png 501w, https:\/\/kiencang.net\/wp-content\/uploads\/2019\/08\/chia-se-facebook-255x300.png 255w\" sizes=\"(max-width: 501px) 100vw, 501px\" \/><\/figure><\/div>\n\n\n<p><a href=\"https:\/\/kiencang.net\/yoast-seo\/\">Plugin Yoast SEO<\/a> c\u00f3 t\u00ednh n\u0103ng m\u1ea1ng x\u00e3 h\u1ed9i n\u01a1i b\u1ea1n c\u00f3 th\u1ec3 thi\u1ebft l\u1eadp \u0111\u1ec3 s\u1eed d\u1ee5ng &#8211; th\u1eadm ch\u00ed trong phi\u00ean b\u1ea3n cao c\u1ea5p (c\u00f3 t\u00ednh ph\u00ed) &#8211; b\u1ea1n c\u00f3 kh\u1ea3 n\u0103ng xem tr\u01b0\u1edbc b\u00e0i \u0111\u0103ng Facebook v\u00e0 Twitter.<\/p>\n\n\n\n<p>C\u1ea7n \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea1n s\u1eed d\u1ee5ng \u1ea3nh ch\u1ea5t l\u01b0\u1ee3ng cao, gi\u1ed1ng nh\u01b0 \u1ea3nh g\u1ed1c b\u1ea1n s\u1eed d\u1ee5ng trong b\u00e0i, b\u1edfi v\u00ec c\u00e1c n\u1ec1n t\u1ea3ng m\u1ea1ng x\u00e3 h\u1ed9i c\u00f3 xu h\u01b0\u1edbng s\u1eed d\u1ee5ng ch\u00fang th\u01b0\u1eddng xuy\u00ean h\u01a1n. N\u1ebfu b\u1ea1n \u0111\u00e3 thi\u1ebft l\u1eadp ch\u00ednh x\u00e1c m\u00e0 n\u00f3 v\u1eabn kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng, h\u00e3y th\u1eed x\u00f3a b\u1ed9 nh\u1edb cache Facebook trong <a href=\"https:\/\/developers.facebook.com\/tools\/debug\/\" target=\"_blank\" rel=\"noreferrer noopener\">URL Debugger<\/a>. <a href=\"https:\/\/dev.twitter.com\/cards\/overview\" target=\"_blank\" rel=\"noreferrer noopener\">Th\u1ebb Twitter<\/a> c\u0169ng l\u00e0m t\u01b0\u01a1ng t\u1ef1 v\u1edbi Twitter v\u00e0 c\u0169ng \u0111\u01b0\u1ee3c t\u1ea1o b\u1edfi plugin c\u1ee7a Yoast.<\/p>\n\n\n\n<p>P\/S: m\u1eb9o nhanh \u1edf \u0111\u00e2y l\u00e0 b\u1ea1n c\u1ea7n s\u1eed d\u1ee5ng \u1ea3nh c\u00f3 k\u00edch c\u1ee1 \u0111\u1ee7 l\u1edbn, n\u1ebfu kh\u00f4ng n\u00f3 s\u1ebd hi\u1ec3n th\u1ecb r\u1ea5t b\u00e9 ho\u1eb7c b\u1ecb v\u1ee1 m\u1edd do b\u1ecb ph\u00f3ng to.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. C\u0103n \u1ea3nh tr\u00e1i hay ph\u1ea3i<\/h3>\n\n\n\n<p>\u0110\u00e2y l\u00e0 \u0111i\u1ec1u m\u00e0 t\u00f4i lu\u00f4n ch\u00fa tr\u1ecdng: \u1ea2nh kh\u00f4ng bao gi\u1edd \u0111\u01b0\u1ee3c b\u1ebb g\u00e3y ki\u1ec3u \u0111\u1ecdc b\u00ean tr\u00e1i c\u1ee7a ng\u01b0\u1eddi d\u00f9ng. T\u00f4i ch\u1eafc ch\u1eafn l\u00e0 c\u00f3 nh\u1eefng nghi\u00ean c\u1ee9u \u1ee7ng h\u1ed9 cho l\u1ef1a ch\u1ecdn n\u00e0y, nh\u01b0ng v\u1edbi t\u00f4i, \u0111\u00f3 l\u00e0 l\u1ef1a ch\u1ecdn mang t\u00ednh c\u00e1 nh\u00e2n. T\u00f4i th\u1ef1c s\u1ef1 kh\u00f4ng th\u00edch khi v\u0103n b\u1ea3n \u0111ang \u1edf b\u00ean ph\u1ea3i \u1ea3nh, r\u1ed3i d\u00f2ng k\u1ebf ti\u1ebfp l\u1ea1i nh\u1ea3y sang b\u00ean tr\u00e1i \u1ea3nh:<\/p>\n\n\n<div class=\"wp-block-image wp-image-12572 size-full\">\n<figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"222\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/08\/nguoi-doc-tu-ben-trai.png\" alt=\"ng\u01b0\u1eddi \u0111\u1ecdc \u0111\u1ecdc t\u1eeb b\u00ean tr\u00e1i\" class=\"wp-image-12572\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/08\/nguoi-doc-tu-ben-trai.png 500w, https:\/\/kiencang.net\/wp-content\/uploads\/2019\/08\/nguoi-doc-tu-ben-trai-300x133.png 300w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><figcaption>Ph\u1ea7n l\u1edbn ng\u01b0\u1eddi \u0111\u1ecdc l\u00e0 ki\u1ec3u \u0111\u1ecdc t\u1eeb b\u00ean tr\u00e1i, do v\u1eady \u0111\u1eebng c\u0103n l\u1ec1 \u1ea3nh sang tr\u00e1i<\/figcaption><\/figure><\/div>\n\n\n<p>N\u1ebfu b\u1ea1n s\u1eed d\u1ee5ng \u1ea3nh c\u00f3 c\u00f9ng \u0111\u1ed9 r\u1ed9ng nh\u01b0 c\u1ed9t v\u0103n b\u1ea3n, \u0111i\u1ec1u \u0111\u1ea5y c\u0169ng \u1ed5n v\u00e0 n\u00f3 th\u1eadm ch\u00ed c\u00f2n gi\u00fap nh\u1ea5n m\u1ea1nh b\u1ee9c \u1ea3nh h\u01a1n n\u1eefa.<\/p>\n\n\n\n<p>Th\u1eadt l\u00f2ng m\u00e0 n\u00f3i: \u0111i\u1ec1u n\u00e0y ho\u00e0n to\u00e0n kh\u00f4ng c\u00f3 \u00fd ngh\u0129a g\u00ec v\u1edbi SEO \u1ea3nh, nh\u01b0ng t\u00f4i th\u1ea5y \u0111\u00e2y l\u00e0 c\u01a1 h\u1ed9i \u0111\u1ec3 t\u00f4i tr\u00ecnh b\u00e0y quan \u0111i\u1ec3m c\u1ee7a m\u00ecnh v\u00e0 c\u00e1ch s\u1eed d\u1ee5ng n\u00f3! T\u00f4i ngh\u0129 c\u0103n l\u1ec1 \u1ea3nh sang tr\u00e1i s\u1ebd t\u1ec7 h\u1ea1i cho tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng. V\u00ec th\u1ebf, \u0111\u1eebng l\u00e0m v\u1eady, t\u00f4i r\u1ea5t c\u1ea3m \u01a1n b\u1ea1n v\u00ec \u0111i\u1ec1u \u0111\u00f3.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"8_Sitemap_XML_cua_anh\"><\/span>#8. Sitemap XML c\u1ee7a \u1ea3nh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>N\u1ebfu b\u1ea1n l\u00e0 ng\u01b0\u1eddi ph\u00e1t tri\u1ec3n web, b\u1ea1n c\u00f3 th\u1ec3 th\u1eafc m\u1eafc v\u1ec1 sitemap \u1ea3nh XML. T\u00f4i th\u00edch m\u00f4 t\u1ea3 \u0111\u00f3 l\u00e0 \u1ea3nh trong sitemaps XML. Google <a href=\"https:\/\/support.google.com\/webmasters\/answer\/178636?hl=vi\" target=\"_blank\" rel=\"noreferrer noopener\">n\u00f3i r\u00f5 r\u00e0ng v\u1ec1 \u0111i\u1ec1u n\u00e0y<\/a>:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote\"><p>Ngo\u00e0i ra, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ti\u1ec7n \u00edch h\u00ecnh \u1ea3nh c\u1ee7a Google cho s\u01a1 \u0111\u1ed3 trang web \u0111\u1ec3 cung c\u1ea5p th\u00eam th\u00f4ng tin cho Google v\u1ec1 c\u00e1c h\u00ecnh \u1ea3nh c\u00f3 s\u1eb5n tr\u00ean trang c\u1ee7a b\u1ea1n. <\/p><p>Th\u00f4ng tin s\u01a1 \u0111\u1ed3 h\u00ecnh \u1ea3nh c\u1ee7a trang web gi\u00fap Google ph\u00e1t hi\u1ec7n c\u00e1c h\u00ecnh \u1ea3nh m\u00e0 ch\u00fang t\u00f4i s\u1ebd kh\u00f4ng th\u1ec3 t\u00ecm th\u1ea5y theo c\u00e1ch kh\u00e1c (ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c h\u00ecnh \u1ea3nh m\u00e0 trang web c\u1ee7a b\u1ea1n t\u1ea3i v\u1ec1 th\u00f4ng qua m\u00e3 JavaScript) v\u00e0 cho ph\u00e9p b\u1ea1n ch\u1ec9 ra nh\u1eefng h\u00ecnh \u1ea3nh tr\u00ean trang web m\u00e0 b\u1ea1n mu\u1ed1n Google thu th\u1eadp d\u1eef li\u1ec7u v\u00e0 l\u1eadp ch\u1ec9 m\u1ee5c.<\/p><\/blockquote>\n\n\n\n<p>Th\u1ec9nh tho\u1ea3ng m\u1ecdi ng\u01b0\u1eddi l\u1ea1i h\u1ecfi b\u1ed9 ph\u1eadn ph\u00e1t tri\u1ec3n c\u1ee7a plugin Yoast SEO v\u1ec1 sitemap XML cho \u1ea3nh. Ch\u00fang t\u00f4i kh\u00f4ng t\u1ea1o ra ch\u00fang trong plugin, nh\u01b0ng c\u00f3 tu\u00e2n theo l\u1eddi khuy\u00ean c\u1ee7a Google v\u00e0 bao g\u1ed3m ch\u00fang trong sitemap c\u1ee7a trang ho\u1eb7c b\u00e0i \u0111\u0103ng.<\/p>\n\n\n\n<p>Ch\u1ec9 c\u1ea7n cu\u1ed9n chu\u1ed9t xu\u1ed1ng <a href=\"https:\/\/kiencang.net\/post-sitemap.xml\" target=\"_blank\" rel=\"noreferrer noopener\">sitemap b\u00e0i \u0111\u0103ng<\/a>, v\u00e0 b\u1ea1n s\u1ebd th\u1ea5y ch\u00fang t\u00f4i c\u00f3 b\u1ed5 sung \u1ea3nh cho t\u1ea5t c\u1ea3 c\u00e1c b\u00e0i \u0111\u0103ng m\u1edbi nh\u1ea5t (c\u00f3 m\u1ed9t c\u1ed9t d\u00e0nh ri\u00eang cho \u0111i\u1ec1u \u0111\u00f3). B\u1ed5 sung \u1ea3nh v\u00e0o sitemap XML gi\u00fap Google l\u1eadp ch\u1ec9 m\u1ee5c \u1ea3nh c\u1ee7a b\u1ea1n, v\u00ec th\u1ebf h\u00e3y ch\u1eafc ch\u1eafn l\u00e0m \u0111\u00fang \u0111\u1ec3 SEO \u1ea3nh \u0111\u01b0\u1ee3c t\u1ed1t h\u01a1n.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"9_SEO_anh_tong_ket\"><\/span>#9. SEO \u1ea3nh: t\u1ed5ng k\u1ebft<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>SEO \u1ea3nh bao g\u1ed3m vi\u1ec7c c\u1ea7n ph\u1ea3i ho\u00e0n th\u00e0nh m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1. Trong khi Google ng\u00e0y c\u00e0ng t\u1ed1t h\u01a1n trong vai tr\u00f2 nh\u1eadn d\u1ea1ng \u1ea3nh, th\u00ec \u0111i\u1ec1u c\u00f3 \u00fd ngh\u0129a l\u00e0 \u0111\u1ea3m b\u1ea3o \u1ea3nh v\u00e0 t\u1ea5t c\u1ea3 c\u00e1c y\u1ebfu t\u1ed1 c\u1ee7a n\u00f3 \u0111\u00f3ng g\u00f3p v\u00e0o tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng c\u0169ng nh\u01b0 SEO th\u1eadt t\u1ed1t. V\u00e0 s\u1ebd th\u1eadt ngu ng\u1ed1c khi \u0111\u00f9a c\u1ee3t v\u1edbi Google.<\/p>\n\n\n\n<p>H\u00e3y ghi nh\u1edb nh\u1eefng \u0111i\u1ec1u n\u00e0y trong \u0111\u1ea7u m\u1ed7i khi b\u1ea1n th\u00eam \u1ea3nh v\u00e0o b\u00e0i vi\u1ebft:<\/p>\n\n\n\n<ul><li>S\u1eed d\u1ee5ng \u1ea3nh li\u00ean quan ph\u00f9 h\u1ee3p v\u1edbi n\u1ed9i dung v\u0103n b\u1ea3n<\/li><li>L\u1ef1a ch\u1ecdn t\u00ean \u1ea3nh chu\u1ea9n<\/li><li>\u0110\u1ea3m b\u1ea3o k\u00edch th\u01b0\u1edbc h\u00ecnh \u1ea3nh ph\u00f9 h\u1ee3p v\u1edbi k\u00edch th\u01b0\u1edbc hi\u1ec3n th\u1ecb<\/li><li>S\u1eed d\u1ee5ng srcset khi c\u00f3 th\u1ec3<\/li><li>Gi\u1ea3m dung l\u01b0\u1ee3ng file \u1ea3nh \u0111\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 t\u1ea3i trang<\/li><li>B\u1ed5 sung caption, n\u1ebfu th\u00edch h\u1ee3p, \u0111i\u1ec1u \u0111\u00f3 s\u1ebd gi\u00fap vi\u1ec7c \u0111\u1ecdc qu\u00e9t trang d\u1ec5 d\u00e0ng h\u01a1n<\/li><li>S\u1eed d\u1ee5ng ALT cho \u1ea3nh. Title text th\u00ec kh\u00f4ng quan tr\u1ecdng<\/li><li>Th\u00eam d\u1eef li\u1ec7u c\u00f3 c\u1ea5u tr\u00fac cho \u1ea3nh n\u1ebfu c\u1ea7n<\/li><li>Th\u00eam th\u1ebb OpenGraph v\u00e0 Twitter Card cho \u1ea3nh<\/li><li>\u0110\u1eebng \u0111\u1ec3 \u1ea3nh ph\u00e1 v\u1ee1 d\u00f2ng \u0111\u1ecdc ki\u1ec3u b\u00ean tr\u00e1i c\u1ee7a ng\u01b0\u1eddi d\u00f9ng &#8211; h\u00e3y c\u0103n \u1ea3nh \u1edf b\u00ean ph\u1ea3i ho\u1eb7c \u1edf gi\u1eefa<\/li><li>S\u1eed d\u1ee5ng \u1ea3nh trong XML sitemaps c\u1ee7a b\u1ea1n<\/li><li>Cung c\u1ea5p t\u1ea5t c\u1ea3 b\u1ed1i c\u1ea3nh kh\u00e1c trong kh\u1ea3 n\u0103ng!<\/li><\/ul>\n\n\n\n<p>B\u00ean c\u1ea1nh vi\u1ec7c \u0111\u00f3ng g\u00f3p cho SEO v\u00e0 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng, \u1ea3nh c\u00f3 th\u1ec3 \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong chuy\u1ec3n \u0111\u1ed5i!<\/p>\n\n\n\n<p><em>(D\u1ecbch t\u1eeb b\u00e0i vi\u1ebft Image SEO: Optimizing images for search engines, c\u1ee7a t\u00e1c gi\u1ea3 Michiel Heijmans, thu\u1ed9c nh\u00f3m plugin Yoast SEO, c\u00f3 b\u1ed5 sung th\u00eam \u00fd ki\u1ebfn c\u00e1 nh\u00e2n v\u00e0 c\u00f3 ch\u00fa th\u00edch \u0111\u1ec3 b\u1ea1n ph\u00e2n bi\u1ec7t ph\u1ea7n b\u1ed5 sung)<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>V\u00e0i l\u1eddi c\u1ee7a ng\u01b0\u1eddi d\u1ecbch: h\u00f3a ra SEO \u1ea3nh kh\u00f4ng kh\u00f3 nh\u01b0 b\u1ea1n ngh\u0129, n\u00f3 ch\u1ec9 c\u00f3 m\u1ed9t v\u00e0i y\u1ebfu t\u1ed1 c\u01a1 b\u1ea3n m\u00e0 th\u00f4i. 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