{"id":9441,"date":"2018-05-05T07:58:03","date_gmt":"2018-05-05T07:58:03","guid":{"rendered":"http:\/\/www.ducanhplus.com\/?p=9441"},"modified":"2018-05-05T07:58:03","modified_gmt":"2018-05-05T07:58:03","slug":"faq-plugin-autoptimize","status":"publish","type":"post","link":"https:\/\/kiencang.net\/faq-plugin-autoptimize\/","title":{"rendered":"C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 plugin Autoptimize"},"content":{"rendered":"\n<p>M\u00f4 t\u1ea3: <a href=\"https:\/\/wordpress.org\/plugins\/autoptimize\/\" target=\"_blank\" rel=\"noreferrer noopener\">Plugin Autoptimize<\/a> gi\u00fap t\u1ed1i \u01b0u h\u00f3a trang c\u1ee7a b\u1ea1n th\u1eadt d\u1ec5 d\u00e0ng. N\u00f3 c\u00f3 th\u1ec3 g\u1ed9p, n\u00e9n (minify) v\u00e0 t\u1ea1o cache cho c\u00e1c \u0111o\u1ea1n m\u00e3 th\u1ef1c thi scripts (JS) v\u00e0 m\u00e3 \u0111\u1ecbnh d\u1ea1ng (CSS). N\u00f3 c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0a c\u00e1c \u0111o\u1ea1n CSS v\u00e0o ph\u1ea7n \u0111\u1ea7u c\u1ee7a trang theo m\u1eb7c \u0111\u1ecbnh (nh\u01b0ng c\u0169ng c\u00f3 th\u1ec3 tr\u00ec ho\u00e3n n\u00f3), di chuy\u1ec3n v\u00e0 tr\u00ec ho\u00e3n c\u00e1c \u0111o\u1ea1n m\u00e3 scripts (JS) xu\u1ed1ng ch\u00e2n trang v\u00e0 gi\u1ea3m thi\u1ec3u c\u00e1c \u0111o\u1ea1n m\u00e3 HTML.<\/p>\n\n\n<p>PS: n\u1ebfu b\u1ea1n mu\u1ed1n bi\u1ebft c\u00e1ch c\u00e0i \u0111\u1eb7t Plugin Autoptimize h\u00e3y tham kh\u1ea3o b\u00e0i vi\u1ebft sau:&nbsp;<a href=\"https:\/\/kiencang.net\/plugin-autoptimize\/\">https:\/\/kiencang.net\/plugin-autoptimize\/<\/a><\/p>\n\n\n<p>T\u00f9y ch\u1ecdn &#8220;Extra\/gia t\u0103ng&#8221; cho ph\u00e9p b\u1ea1n t\u1ea3i kh\u00f4ng \u0111\u1ed3ng b\u1ed9 (async) c\u00e1c \u0111o\u1ea1n m\u00e3 JavaScript kh\u00f4ng \u0111\u01b0\u1ee3c g\u1ed9p (non-aggregated), lo\u1ea1i b\u1ecf c\u00e1c bi\u1ec3u t\u01b0\u1ee3ng emoji kh\u00f4ng c\u1ea7n thi\u1ebft thu\u1ed9c ph\u1ea7n l\u00f5i c\u1ee7a WordPress, t\u1ed1i \u01b0u h\u00f3a Google Fonts v\u00e0 nhi\u1ec1u th\u1ee9 kh\u00e1c n\u1eefa. Th\u00f4ng qua nh\u1eefng c\u00e1ch \u0111\u00f3 n\u00f3 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t trang web c\u1ee7a b\u1ea1n th\u1eadm ch\u00ed c\u1ea3 khi b\u1ea1n \u0111\u00e3 c\u00f3 HTTP\/2! Ch\u00fang t\u00f4i c\u00f3 API m\u1edf r\u1ed9ng cho ph\u00e9p b\u1ea1n \u0111i\u1ec1u ch\u1ec9nh Autoptimize cho c\u00e1c trang theo nhu c\u1ea7u ri\u00eang bi\u1ec7t.<\/p>\n\n\n<p>N\u1ebfu b\u1ea1n th\u1ef1c s\u1ef1 quan t\u00e2m \u0111\u1ebfn v\u1ea5n \u0111\u1ec1 v\u1ec1 hi\u1ec7u su\u1ea5t, b\u1ea1n c\u1ea7n ph\u1ea3i s\u1eed d\u1ee5ng th\u00eam m\u1ed9t trong c\u00e1c plugin t\u1ea1o cache sau. Ch\u00fang l\u00e0 nh\u1eefng plugin b\u1ed5 khuy\u1ebft r\u1ea5t t\u1ed1t cho Autoptimize, v\u00ed d\u1ee5 nh\u01b0: WP Super Cache, HyperCache, Comet Cache ho\u1eb7c <a href=\"https:\/\/kiencang.net\/plugin-cache-enabler\/\">KeyCDN&#8217;s Cache Enabler<\/a>.<\/p>\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-6577d6c10bc9d\" ><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-6577d6c10bc9d\"  type=\"checkbox\" id=\"item-6577d6c10bc9d\"><\/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\/faq-plugin-autoptimize\/#Plugin_tang_toc_website_cua_toi_bang_cach_nao\" title=\"Plugin t\u0103ng t\u1ed1c website c\u1ee7a t\u00f4i b\u1eb1ng c\u00e1ch n\u00e0o?\">Plugin t\u0103ng t\u1ed1c website c\u1ee7a t\u00f4i b\u1eb1ng c\u00e1ch n\u00e0o?<\/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\/faq-plugin-autoptimize\/#Nhung_chung_ta_dang_dung_HTTP2_roi_vi_the_khong_can_Autoptimize_nua\" title=\"Nh\u01b0ng ch\u00fang ta \u0111ang d\u00f9ng HTTP\/2 r\u1ed3i, v\u00ec th\u1ebf kh\u00f4ng c\u1ea7n Autoptimize n\u1eefa\">Nh\u01b0ng ch\u00fang ta \u0111ang d\u00f9ng HTTP\/2 r\u1ed3i, v\u00ec th\u1ebf kh\u00f4ng c\u1ea7n Autoptimize n\u1eefa<\/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\/faq-plugin-autoptimize\/#No_se_co_hieu_qua_voi_blog_cua_toi_chu\" title=\"N\u00f3 s\u1ebd c\u00f3 hi\u1ec7u qu\u1ea3 v\u1edbi blog c\u1ee7a t\u00f4i ch\u1ee9?\">N\u00f3 s\u1ebd c\u00f3 hi\u1ec7u qu\u1ea3 v\u1edbi blog c\u1ee7a t\u00f4i ch\u1ee9?<\/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\/faq-plugin-autoptimize\/#Tai_sao_jqueryjs_khong_duoc_toi_uu\" title=\"T\u1ea1i sao jquery.js kh\u00f4ng \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u\">T\u1ea1i sao jquery.js kh\u00f4ng \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u<\/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\/faq-plugin-autoptimize\/#Tai_sao_file_JS_duoc_toi_uu_hoa_lai_chan_hien_thi\" title=\"T\u1ea1i sao file JS \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a l\u1ea1i ch\u1eb7n hi\u1ec3n th\u1ecb?\">T\u1ea1i sao file JS \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a l\u1ea1i ch\u1eb7n hi\u1ec3n th\u1ecb?<\/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\/faq-plugin-autoptimize\/#Tai_sao_CSS_duoc_toi_uu_hoa_van_bi_goi_la_chan_hien_thi\" title=\"T\u1ea1i sao CSS \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a v\u1eabn b\u1ecb g\u1ecdi l\u00e0 ch\u1eb7n hi\u1ec3n th\u1ecb?\">T\u1ea1i sao CSS \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a v\u1eabn b\u1ecb g\u1ecdi l\u00e0 ch\u1eb7n hi\u1ec3n th\u1ecb?<\/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\/faq-plugin-autoptimize\/#Tac_dung_cua_%E2%80%9Cnoi_tuyen_va_tri_hoan_CSS%E2%80%9D_la_gi\" title=\"T\u00e1c d\u1ee5ng c\u1ee7a &#8220;n\u1ed9i tuy\u1ebfn v\u00e0 tr\u00ec ho\u00e3n CSS&#8221; l\u00e0 g\u00ec?\">T\u00e1c d\u1ee5ng c\u1ee7a &#8220;n\u1ed9i tuy\u1ebfn v\u00e0 tr\u00ec ho\u00e3n CSS&#8221; l\u00e0 g\u00ec?<\/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\/faq-plugin-autoptimize\/#Nhung_lam_the_nao_toi_biet_duoc_%E2%80%9CCSS_cho_phan_tren_cua_trang%E2%80%9D_la_gi\" title=\"Nh\u01b0ng l\u00e0m th\u1ebf n\u00e0o t\u00f4i bi\u1ebft \u0111\u01b0\u1ee3c &#8220;CSS cho ph\u1ea7n tr\u00ean c\u1ee7a trang&#8221; l\u00e0 g\u00ec?\">Nh\u01b0ng l\u00e0m th\u1ebf n\u00e0o t\u00f4i bi\u1ebft \u0111\u01b0\u1ee3c &#8220;CSS cho ph\u1ea7n tr\u00ean c\u1ee7a trang&#8221; l\u00e0 g\u00ec?<\/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\/faq-plugin-autoptimize\/#Toi_co_nen_dat_noi_tuyen_toan_bo_CSS_hay_khong\" title=\"T\u00f4i c\u00f3 n\u00ean \u0111\u1eb7t n\u1ed9i tuy\u1ebfn to\u00e0n b\u1ed9 CSS hay kh\u00f4ng?\">T\u00f4i c\u00f3 n\u00ean \u0111\u1eb7t n\u1ed9i tuy\u1ebfn to\u00e0n b\u1ed9 CSS hay kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/kiencang.net\/faq-plugin-autoptimize\/#Bo_nho_cache_cua_toi_ngay_cang_nang_Autoptimize_khong_xoa_bo_nho_cache_sao\" title=\"B\u1ed9 nh\u1edb cache c\u1ee7a t\u00f4i ng\u00e0y c\u00e0ng n\u1eb7ng, Autoptimize kh\u00f4ng x\u00f3a b\u1ed9 nh\u1edb cache sao?\">B\u1ed9 nh\u1edb cache c\u1ee7a t\u00f4i ng\u00e0y c\u00e0ng n\u1eb7ng, Autoptimize kh\u00f4ng x\u00f3a b\u1ed9 nh\u1edb cache sao?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/kiencang.net\/faq-plugin-autoptimize\/#%E2%80%9CXoa_cache%E2%80%9D_duong_nhu_khong_hoat_dong\" title=\"&#8220;X\u00f3a cache&#8221; d\u01b0\u1eddng nh\u01b0 kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng?\">&#8220;X\u00f3a cache&#8221; d\u01b0\u1eddng nh\u01b0 kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/kiencang.net\/faq-plugin-autoptimize\/#Toi_van_dung_tinh_nang_Rocket_Loader_cua_Cloudflare_duoc_chu\" title=\"T\u00f4i v\u1eabn d\u00f9ng t\u00ednh n\u0103ng Rocket Loader c\u1ee7a Cloudflare \u0111\u01b0\u1ee3c ch\u1ee9?\">T\u00f4i v\u1eabn d\u00f9ng t\u00ednh n\u0103ng Rocket Loader c\u1ee7a Cloudflare \u0111\u01b0\u1ee3c ch\u1ee9?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/kiencang.net\/faq-plugin-autoptimize\/#Toi_da_thu_Autoptimize_nhung_diem_so_Google_Pagespeed_Scored_cua_toi_hau_nhu_khong_duoc_cai_thien\" title=\"T\u00f4i \u0111\u00e3 th\u1eed Autoptimize nh\u01b0ng \u0111i\u1ec3m s\u1ed1 Google Pagespeed Scored c\u1ee7a t\u00f4i h\u1ea7u nh\u01b0 kh\u00f4ng \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n\">T\u00f4i \u0111\u00e3 th\u1eed Autoptimize nh\u01b0ng \u0111i\u1ec3m s\u1ed1 Google Pagespeed Scored c\u1ee7a t\u00f4i h\u1ea7u nh\u01b0 kh\u00f4ng \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/kiencang.net\/faq-plugin-autoptimize\/#Toi_dang_su_dung_Cloudflare_toi_phai_dien_vao_phan_CDN_root_directory_thu_muc_goc_cho_CDN_nhu_the_nao\" title=\"T\u00f4i \u0111ang s\u1eed d\u1ee5ng Cloudflare, t\u00f4i ph\u1ea3i \u0111i\u1ec1n v\u00e0o ph\u1ea7n CDN root directory (th\u01b0 m\u1ee5c g\u1ed1c cho CDN) nh\u01b0 th\u1ebf n\u00e0o\">T\u00f4i \u0111ang s\u1eed d\u1ee5ng Cloudflare, t\u00f4i ph\u1ea3i \u0111i\u1ec1n v\u00e0o ph\u1ea7n CDN root directory (th\u01b0 m\u1ee5c g\u1ed1c cho CDN) nh\u01b0 th\u1ebf n\u00e0o<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/kiencang.net\/faq-plugin-autoptimize\/#Tinh_nang_%E2%80%9Cexclude_from_optimizingloai_bo_toi_uu_hoa%E2%80%9D_hoat_dong_nhu_the_nao\" title=\"T\u00ednh n\u0103ng &#8220;exclude from optimizing\/lo\u1ea1i b\u1ecf t\u1ed1i \u01b0u h\u00f3a&#8221; ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?\">T\u00ednh n\u0103ng &#8220;exclude from optimizing\/lo\u1ea1i b\u1ecf t\u1ed1i \u01b0u h\u00f3a&#8221; ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/kiencang.net\/faq-plugin-autoptimize\/#Thiet_lap_cau_hinh_Xu_ly_su_co_xay_ra_voi_Autoptimize\" title=\"Thi\u1ebft l\u1eadp c\u1ea5u h\u00ecnh &amp; X\u1eed l\u00fd s\u1ef1 c\u1ed1 x\u1ea3y ra v\u1edbi Autoptimize\">Thi\u1ebft l\u1eadp c\u1ea5u h\u00ecnh &amp; X\u1eed l\u00fd s\u1ef1 c\u1ed1 x\u1ea3y ra v\u1edbi Autoptimize<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/kiencang.net\/faq-plugin-autoptimize\/#Troi_dat_trang_web_cua_toi_bien_thanh_trang_trang_hoac_bi_thong_bao_loi_internal_server_error_sau_khi_bat_Autoptimize\" title=\"Tr\u1eddi \u0111\u1ea5t, trang web c\u1ee7a t\u00f4i bi\u1ebfn th\u00e0nh trang tr\u1eafng ho\u1eb7c b\u1ecb th\u00f4ng b\u00e1o l\u1ed7i internal server error sau khi b\u1eadt Autoptimize!\">Tr\u1eddi \u0111\u1ea5t, trang web c\u1ee7a t\u00f4i bi\u1ebfn th\u00e0nh trang tr\u1eafng ho\u1eb7c b\u1ecb th\u00f4ng b\u00e1o l\u1ed7i internal server error sau khi b\u1eadt Autoptimize!<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/kiencang.net\/faq-plugin-autoptimize\/#Noptimize_la_gi\" title=\"Noptimize l\u00e0 g\u00ec?\">Noptimize l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/kiencang.net\/faq-plugin-autoptimize\/#Tinh_nang_%E2%80%9Cremove_emojisloai_bo_emoji%E2%80%9D_co_tac_dung_gi\" title=\"T\u00ednh n\u0103ng &#8220;remove emoji&#8217;s\/lo\u1ea1i b\u1ecf emoji&#8221; c\u00f3 t\u00e1c d\u1ee5ng g\u00ec?\">T\u00ednh n\u0103ng &#8220;remove emoji&#8217;s\/lo\u1ea1i b\u1ecf emoji&#8221; c\u00f3 t\u00e1c d\u1ee5ng g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/kiencang.net\/faq-plugin-autoptimize\/#Toi_co_nen_toi_uu_hoa_Google_Fonts_hay_khong_lam_nhu_the_nao\" title=\"T\u00f4i c\u00f3 n\u00ean t\u1ed1i \u01b0u h\u00f3a Google Fonts hay kh\u00f4ng &amp; l\u00e0m nh\u01b0 th\u1ebf n\u00e0o?\">T\u00f4i c\u00f3 n\u00ean t\u1ed1i \u01b0u h\u00f3a Google Fonts hay kh\u00f4ng &amp; l\u00e0m nh\u01b0 th\u1ebf n\u00e0o?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/kiencang.net\/faq-plugin-autoptimize\/#Toi_khong_muon_dung_Autoptimize_nua_cach_go_bo_no_nhu_the_nao\" title=\"T\u00f4i kh\u00f4ng mu\u1ed1n d\u00f9ng Autoptimize n\u1eefa, c\u00e1ch g\u1ee1 b\u1ecf n\u00f3 nh\u01b0 th\u1ebf n\u00e0o?\">T\u00f4i kh\u00f4ng mu\u1ed1n d\u00f9ng Autoptimize n\u1eefa, c\u00e1ch g\u1ee1 b\u1ecf n\u00f3 nh\u01b0 th\u1ebf n\u00e0o?<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Plugin_tang_toc_website_cua_toi_bang_cach_nao\"><\/span>Plugin t\u0103ng t\u1ed1c website c\u1ee7a t\u00f4i b\u1eb1ng c\u00e1ch n\u00e0o?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>Autoptimize n\u1ed1i c\u00e1c \u0111o\u1ea1n m\u00e3 script l\u1ea1i v\u1edbi nhau, c\u00e1c m\u00e3 \u0111\u1ecbnh d\u1ea1ng c\u0169ng v\u1eady. N\u00f3 gi\u1ea3m thi\u1ec3u d\u1eef li\u1ec7u v\u00e0 n\u00e9n ch\u00fang l\u1ea1i, b\u1ed5 sung <a href=\"https:\/\/kiencang.net\/tim-hieu-http-caching\/\" target=\"_blank\" rel=\"noreferrer noopener\">header h\u1ebft h\u1ea1n (http caching)<\/a>, cache (t\u1ea1o b\u1ed9 nh\u1edb \u0111\u1ec7m) cho ch\u00fang, v\u00e0 di chuy\u1ec3n styles l\u00ean \u0111\u1ea7u trang, c\u00f2n c\u00e1c m\u00e3 scripts (t\u00f9y ch\u1ecdn) xu\u1ed1ng cu\u1ed1i trang. N\u00f3 c\u0169ng gi\u00fap gi\u1ea3m thi\u1ec3u m\u00e3 HTML, l\u00e0m cho dung l\u01b0\u1ee3ng to\u00e0n trang nh\u1eb9 \u0111i.<\/p>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Nhung_chung_ta_dang_dung_HTTP2_roi_vi_the_khong_can_Autoptimize_nua\"><\/span>Nh\u01b0ng ch\u00fang ta \u0111ang d\u00f9ng HTTP\/2 r\u1ed3i, v\u00ec th\u1ebf kh\u00f4ng c\u1ea7n Autoptimize n\u1eefa<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>HTTP\/2 ch\u1eafc ch\u1eafn l\u00e0 b\u01b0\u1edbc ti\u1ebfn l\u1edbn, gi\u1ea3m \u0111\u00e1ng k\u1ec3 \u1ea3nh h\u01b0\u1edfng c\u1ee7a nhi\u1ec1u y\u00eau c\u1ea7u k\u1ebft n\u1ed1i t\u1eeb c\u00f9ng m\u00e1y ch\u1ee7 b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00f9ng k\u1ebft n\u1ed1i \u0111\u1ec3 th\u1ef1c thi m\u1ed9t s\u1ed1 y\u00eau c\u1ea7u k\u1ebft n\u1ed1i \u0111\u1ed3ng th\u1eddi. Nh\u01b0 \u0111\u01b0\u1ee3c n\u00f3i trong b\u00e0i vi\u1ebft <a href=\"http:\/\/engineering.khanacademy.org\/posts\/js-packaging-http2.htm\" target=\"_blank\" rel=\"noreferrer noopener\">n\u1ed1i CSS\/JS c\u00f3 th\u1ec3 v\u1eabn t\u1ea1o ra \u0111\u01b0\u1ee3c nhi\u1ec1u \u00fd ngh\u0129a<\/a>, hay trong <a href=\"https:\/\/css-tricks.com\/http2-real-world-performance-test-analysis\/\" target=\"_blank\" rel=\"noreferrer noopener\">b\u00e0i vi\u1ebft n\u00e0y c\u1ee7a css-tricks.com<\/a> v\u00e0 <a href=\"http:\/\/calendar.perfplanet.com\/2015\/packaging-for-performance\/\" target=\"_blank\" rel=\"noreferrer noopener\">b\u00e0i n\u00e0y t\u1eeb k\u1ef9 s\u01b0 c\u1ee7a Ebay<\/a>. K\u1ebft lu\u1eadn l\u00e0 b\u1ea1n c\u1ea7n ch\u1ec9nh s\u1eeda, ki\u1ec3m tra, ch\u1ec9nh s\u1eeda l\u1ea1i, ki\u1ec3m tra l\u1ea1i, \u0111i\u1ec1u ch\u1ec9nh n\u1eefa v\u00e0 xem \u0111i\u1ec1u g\u00ec hi\u1ec7u qu\u1ea3 nh\u1ea5t trong t\u00ecnh hu\u1ed1ng c\u1ee7a b\u1ea1n. \u0110\u00f3 c\u00f3 th\u1ec3 l\u00e0 ch\u1ec9 c\u1ea7n HTTP\/2 th\u00f4i, ho\u1eb7c HTTP\/2 + n\u1ed1i v\u00e0 t\u1ed1i thi\u1ec3u h\u00f3a, c\u0169ng c\u00f3 th\u1ec3 HTTP\/2 + t\u1ed1i thi\u1ec3u h\u00f3a (\u0111i\u1ec1u m\u00e0 Autoptimize c\u0169ng l\u00e0m t\u1ed1t).<\/p>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"No_se_co_hieu_qua_voi_blog_cua_toi_chu\"><\/span>N\u00f3 s\u1ebd c\u00f3 hi\u1ec7u qu\u1ea3 v\u1edbi blog c\u1ee7a t\u00f4i ch\u1ee9?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>M\u1eb7c d\u00f9 Autoptimize kh\u00f4ng tuy\u00ean b\u1ed1 b\u1ea5t k\u1ef3 s\u1ef1 \u0111\u1ea3m b\u1ea3o 100% n\u00e0o cho b\u1ea1n, n\u00f3i chung n\u00f3 s\u1ebd l\u00e0m vi\u1ec7c ho\u00e0n h\u1ea3o n\u1ebfu b\u1ea1n t\u00f9y ch\u1ec9nh n\u00f3 m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c. Xem ph\u1ea7n &#8220;X\u1eed l\u00fd s\u1ef1 c\u1ed1&#8221; b\u00ean d\u01b0\u1edbi \u0111\u1ec3 bi\u1ebft c\u00e1ch ch\u1ec9nh s\u1eeda trong tr\u01b0\u1eddng h\u1ee3p x\u1ea3y ra v\u1ea5n \u0111\u1ec1.<\/p>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tai_sao_jqueryjs_khong_duoc_toi_uu\"><\/span>T\u1ea1i sao jquery.js kh\u00f4ng \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>B\u1eaft \u0111\u1ea7u t\u1eeb phi\u00ean b\u1ea3n AO 2.1 file jquery.js l\u00f5i c\u1ee7a WordPress kh\u00f4ng \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u v\u00ec m\u1ed9t l\u00fd do \u0111\u01a1n gi\u1ea3n l\u00e0 c\u00f3 nhi\u1ec1u plugin ph\u1ed5 bi\u1ebfn ch\u00e8n n\u1ed9i tuy\u1ebfn JS kh\u00f4ng \u0111\u01b0\u1ee3c g\u1ed9p &#8211; v\u00e0 \u0111\u00e2y l\u1ea1i l\u00e0 nh\u1eefng c\u00e1i d\u1ef1a v\u00e0o s\u1ef1 c\u00f3 m\u1eb7t c\u1ee7a jquery, v\u00ec th\u1ebf kh\u00f4ng bao g\u1ed3m jQuery \u0111\u1ea3m b\u1ea3o h\u1ea7u h\u1ebft c\u00e1c t\u00ednh n\u0103ng quan tr\u1ecdng c\u1ee7a trang s\u1ebd ho\u1ea1t \u0111\u1ed9ng \u1ed5n th\u1ecfa. N\u1ebfu b\u1ea1n v\u1eabn mu\u1ed1n t\u1ed1i \u01b0u h\u00f3a jQuery, b\u1ea1n c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf n\u00f3 kh\u1ecfi danh s\u00e1ch lo\u1ea1i tr\u1eeb (b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 b\u1eadt t\u00ednh n\u0103ng &#8220;also aggregate inline JS\/\u0111\u1ed3ng th\u1eddi g\u1ed9p c\u1ea3 JS n\u1ed9i tuy\u1ebfn&#8221; v\u00e0\/ho\u1eb7c chuy\u1ec3n qua &#8220;force JS in head\/\u00e9p JS l\u00ean \u0111\u1ea7u&#8221;).<\/p>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tai_sao_file_JS_duoc_toi_uu_hoa_lai_chan_hien_thi\"><\/span>T\u1ea1i sao file JS \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a l\u1ea1i ch\u1eb7n hi\u1ec3n th\u1ecb?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>N\u1ebfu file JS \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a kh\u00f4ng b\u1ecb &#8220;\u00e9p l\u00ean \u0111\u1ea7u trang\/forced in head&#8221; th\u00ec n\u00f3 s\u1ebd kh\u00f4ng ch\u1eb7n hi\u1ec3n th\u1ecb (render blocking), v\u00e0 n\u00f3 s\u1ebd \u0111\u01b0\u1ee3c g\u1eafn th\u00eam c\u1edd &#8220;ho\u00e3n t\u1ea3i&#8221; v\u00e0o. D\u00f9 v\u1eady c\u00f3 th\u1ec3 c\u00f3 plugin kh\u00e1c lo\u1ea1i b\u1ecf c\u1edd &#8220;ho\u00e3n t\u1ea3i&#8221; n\u00e0y. <a href=\"https:\/\/wordpress.org\/plugins\/speed-booster-pack\/\" target=\"_blank\" rel=\"noreferrer noopener\">Plugin Speed Booster Pack<\/a> \u0111\u00e3 \u0111\u01b0\u1ee3c b\u00e1o c\u00e1o l\u00e0 g\u00e2y ra \u1ea3nh h\u01b0\u1edfng n\u00e0y, nh\u01b0ng <a href=\"https:\/\/wordpress.org\/support\/topic\/speed-booster-pack-autoptimized-js-defer-flag\/\" target=\"_blank\" rel=\"noreferrer noopener\">h\u00e0nh vi \u0111\u00f3 hi\u1ec7n v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn<\/a>.<\/p>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tai_sao_CSS_duoc_toi_uu_hoa_van_bi_goi_la_chan_hien_thi\"><\/span>T\u1ea1i sao CSS \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a v\u1eabn b\u1ecb g\u1ecdi l\u00e0 ch\u1eb7n hi\u1ec3n th\u1ecb?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>V\u1edbi thi\u1ebft l\u1eadp m\u1eb7c \u0111\u1ecbnh c\u1ee7a Autoptimize th\u00ec CSS \u0111\u01b0\u1ee3c li\u00ean k\u1ebft tr\u00ean \u0111\u1ea7u, n\u00f3 l\u00e0 m\u1eb7c \u0111\u1ecbnh an to\u00e0n nh\u01b0ng <a href=\"https:\/\/kiencang.net\/tang-toc-web-pagespeed-insights\/\">Google PageSpeed Insights<\/a> c\u00f3 th\u1ec3 v\u1eabn ph\u00e0n n\u00e0n. B\u1ea1n c\u00f3 th\u1ec3 xem k\u1ef9 h\u01a1n ph\u1ea7n &#8220;n\u1ed9i tuy\u1ebfn t\u1ea5t c\u1ea3 CSS&#8221; (c\u00e1ch d\u1ec5) ho\u1eb7c <a href=\"https:\/\/kiencang.net\/critical-css-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">&#8220;n\u1ed9i tuy\u1ebfn v\u00e0 tr\u00ec ho\u00e3n CSS \/ s\u1eed d\u1ee5ng critical CSS&#8221; (t\u1ed1t h\u01a1n) trong b\u00e0i vi\u1ebft n\u00e0y<\/a>.<\/p>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tac_dung_cua_%E2%80%9Cnoi_tuyen_va_tri_hoan_CSS%E2%80%9D_la_gi\"><\/span>T\u00e1c d\u1ee5ng c\u1ee7a &#8220;n\u1ed9i tuy\u1ebfn v\u00e0 tr\u00ec ho\u00e3n CSS&#8221; l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>CSS n\u00f3i chung ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o ph\u1ea7n \u0111\u1ea7u (head) c\u1ee7a t\u00e0i li\u1ec7u. G\u1ea7n \u0111\u00e2y Google b\u1eaft \u0111\u1ea7u qu\u1ea3ng b\u00e1 <em>tr\u00ec ho\u00e3n c\u00e1c \u0111o\u1ea1n m\u00e3 CSS kh\u00f4ng quan tr\u1ecdng<\/em>, trong khi n\u1ed9i tuy\u1ebfn c\u00e1c m\u00e3 \u0111\u1ecbnh d\u1ea1ng c\u1ea7n thi\u1ebft \u0111\u1ec3 x\u00e2y d\u1ef1ng \u0111\u01b0\u1ee3c ph\u1ea7n tr\u00ean c\u1ee7a trang web (<a href=\"https:\/\/kiencang.net\/uu-tien-noi-dung-hien-thi\/\">above the fold \/ c\u00e1i s\u1ebd hi\u1ec3n th\u1ecb \u0111\u1ea7u ti\u00ean khi ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp v\u00e0o website<\/a>). \u0110i\u1ec1u n\u00e0y l\u00e0 \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng trong chuy\u1ec7n hi\u1ec3n th\u1ecb trang nhanh nh\u1ea5t c\u00f3 th\u1ec3 tr\u00ean thi\u1ebft b\u1ecb di \u0111\u1ed9ng. K\u1ec3 t\u1eeb phi\u00ean b\u1ea3n Autoptimize 1.9.0 \u0111i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh d\u1ec5 d\u00e0ng; l\u1ef1a ch\u1ecdn &#8220;inline and defer CSS&#8221;, \u0111\u01b0a \u0111o\u1ea1n m\u00e3 &#8220;above the fold CSS\/CSS cho ph\u1ea7n tr\u00ean c\u1ee7a trang&#8221; v\u00e0o khu v\u1ef1c nh\u1eadp li\u1ec7u (\u00f4 tr\u1ed1ng) v\u00e0 OK, th\u1ebf l\u00e0 b\u1ea1n xong r\u1ed3i!<\/p>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Nhung_lam_the_nao_toi_biet_duoc_%E2%80%9CCSS_cho_phan_tren_cua_trang%E2%80%9D_la_gi\"><\/span>Nh\u01b0ng l\u00e0m th\u1ebf n\u00e0o t\u00f4i bi\u1ebft \u0111\u01b0\u1ee3c &#8220;CSS cho ph\u1ea7n tr\u00ean c\u1ee7a trang&#8221; l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>Kh\u00f4ng c\u00f3 gi\u1ea3i ph\u00e1p d\u1ec5 d\u00e0ng cho v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn &#8220;above the fold\/ph\u1ea7n tr\u00ean c\u1ee7a trang&#8221; khi n\u00f3 ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u01b0\u1eddng bi\u00ean n\u1eb1m \u1edf ch\u1ed7 n\u00e0o, c\u00e1i h\u00f3a ra l\u1ea1i t\u00f9y thu\u1ed9c v\u00e0o k\u00edch c\u1ee1 m\u00e0n h\u00ecnh (screensize). D\u00f9 r\u1eb1ng c\u00f3 m\u1ed9t s\u1ed1 c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3 x\u00e1c \u0111\u1ecbnh &#8220;ph\u1ea7n tr\u00ean c\u1ee7a trang l\u00e0 g\u00ec&#8221;. \u1ede \u0111\u00e2y <a rel=\"noreferrer noopener\" href=\"https:\/\/github.com\/addyosmani\/critical-path-css-tools\" target=\"_blank\">li\u1ec7t k\u00ea ra c\u00e1c c\u00f4ng c\u1ee5<\/a> nh\u01b0 v\u1eady. C\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 <a rel=\"noreferrer noopener\" href=\"https:\/\/www.sitelocity.com\/critical-path-css-generator\" target=\"_blank\">Sitelocity critical CSS generator<\/a> v\u00e0 <a rel=\"noreferrer noopener\" href=\"http:\/\/jonassebastianohlsson.com\/criticalpathcssgenerator\/\" target=\"_blank\">Jonas Ohlsson&#8217;s criticalpathcssgenerator<\/a>&nbsp;l\u00e0 nh\u1eefng gi\u1ea3i ph\u00e1p c\u01a1 b\u1ea3n kh\u00e1 t\u1ed1t, v\u00e0&nbsp;<a rel=\"noreferrer noopener\" href=\"https:\/\/criticalcss.com\/\" target=\"_blank\">https:\/\/criticalcss.com\/<\/a>&nbsp;l\u00e0 gi\u1ea3i ph\u00e1p cao c\u1ea5p c\u0169ng c\u1ee7a Jonas Ohlsson (v\u1ec1 sau \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p s\u1eb5n v\u00e0o Autoptimize v\u1edbi gi\u00e1 kh\u00e1 ch\u00e1t, c\u1ee1 \u0111\u00e2u 7 euro\/th\u00e1ng).<\/p>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Toi_co_nen_dat_noi_tuyen_toan_bo_CSS_hay_khong\"><\/span>T\u00f4i c\u00f3 n\u00ean \u0111\u1eb7t n\u1ed9i tuy\u1ebfn to\u00e0n b\u1ed9 CSS hay kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>C\u00e2u tr\u1ea3 l\u1eddi ng\u1eafn g\u1ecdn: c\u00f3 th\u1ec3 l\u00e0 kh\u00f4ng.<\/p>\n\n\n<p>Tr\u01b0\u1edbc \u0111\u00e2y t\u1ed1i \u01b0u h\u00f3a CSS kh\u00e1 d\u1ec5 d\u00e0ng; ch\u1ec9 vi\u1ec7c cho t\u1ea5t c\u1ea3 CSS v\u00e0o ph\u1ea7n \u0111\u1ea7u c\u1ee7a trang, g\u1ed9p t\u1ea5t c\u1ea3 v\u00e0o trong m\u1ed9t file CSS cho m\u1ed7i media-type v\u00e0 th\u1ebf l\u00e0 b\u1ea1n \u0111\u00e3 \u0111i \u0111\u00fang \u0111\u01b0\u1eddng. Nh\u01b0ng k\u1ec3 t\u1eeb khi Google \u0111\u01b0a c\u1ea3 phi\u00ean b\u1ea3n di \u0111\u1ed9ng v\u00e0o trong PageSpeed Insight v\u00e0 b\u1eaft \u0111\u1ea7u ph\u00e0n n\u00e0n v\u1ec1 CSS ch\u1eb7n hi\u1ec3n th\u1ecb, m\u1ecdi th\u1ee9 tr\u1edf n\u00ean h\u1ed7n lo\u1ea1n (xem th\u00eam ph\u1ea7n &#8220;tr\u00ec ho\u00e3n CSS&#8221; \u1edf ph\u1ea7n kh\u00e1c trong FAQ n\u00e0y). M\u1ed9t trong c\u00e1c gi\u1ea3i ph\u00e1p l\u00e0 n\u1ed9i tuy\u1ebfn t\u1ea5t c\u1ea3 CSS c\u1ee7a b\u1ea1n, hi\u1ec7n Autoptimize 1.8.0 c\u00f3 h\u1ed7 tr\u1ee3.<\/p>\n\n\n<p>N\u1ed9i tuy\u1ebfn t\u1ea5t c\u1ea3 CSS c\u00f3 m\u1ed9t l\u1ee3i th\u1ebf r\u00f5 r\u00e0ng (\u0111i\u1ec3m s\u1ed1 PageSpeed cao h\u01a1n) v\u00e0 m\u1ed9t b\u1ea5t l\u1ee3i l\u1edbn; trang HTML c\u1ee7a b\u1ea1n s\u1ebd c\u00f3 k\u00edch c\u1ee1 l\u1edbn h\u01a1n \u0111\u00e1ng k\u1ec3 n\u1ebfu CSS c\u1ee7a b\u1ea1n l\u1edbn, v\u00e0 Pagespeed Insights s\u1ebd ph\u00e0n n\u00e0n v\u1ec1 &#8220;roundtrip times \/ th\u1eddi gian v\u00f2ng l\u1eb7p kh\u1ee9 h\u1ed3i&#8221;. Ngo\u00e0i ra khi b\u1ea1n xem x\u00e9t b\u00e0i ki\u1ec3m tra bao g\u1ed3m nhi\u1ec1u requests (gi\u1ea3 s\u1eed l\u00e0 5 trang), hi\u1ec7u su\u1ea5t s\u1ebd t\u1ec7 h\u1ea1i, CSS s\u1ebd ph\u1ea3i t\u1ea3i \u0111i t\u1ea3i l\u1ea1i trong khi b\u00ecnh th\u01b0\u1eddng file CSS ri\u00eang bi\u1ec7t s\u1ebd kh\u00f4ng c\u1ea7n t\u1ea3i th\u00eam n\u1eefa v\u00ec n\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c l\u01b0u trong b\u1ed9 nh\u1edb <a href=\"https:\/\/kiencang.net\/bo-nho-dem-trinh-duyet\/\">cache tr\u00ecnh duy\u1ec7t<\/a> nh\u1edd l\u1ea7n t\u1ea3i \u0111\u1ea7u ti\u00ean.<\/p>\n\n\n<p>V\u00ec th\u1ebf l\u1ef1a ch\u1ecdn c\u1ea7n d\u1ef1a tr\u00ean c\u00e2u tr\u1ea3 l\u1eddi c\u1ee7a b\u1ea1n cho trang web c\u1ee5 th\u1ec3, c\u00f3 bao nhi\u00eau CSS m\u00e0 b\u1ea1n c\u00f3? C\u00f3 bao nhi\u00eau trang m\u00e0 m\u1ed9t ng\u01b0\u1eddi gh\u00e9 th\u0103m trang s\u1ebd y\u00eau c\u1ea7u? N\u1ebfu b\u1ea1n c\u00f3 nhi\u1ec1u CSS ho\u1eb7c c\u00f3 nhi\u1ec1u l\u01b0\u1ee3t xem trang tr\u00ean l\u01b0\u1ee3t gh\u00e9 th\u0103m, th\u00ec c\u00f3 th\u1ec3 kh\u00f4ng ph\u1ea3i l\u00e0 \u00fd t\u01b0\u1edfng t\u1ed1t n\u1ebfu b\u1ea1n n\u1ed9i tuy\u1ebfn to\u00e0n b\u1ed9 CSS.<\/p>\n\n\n<p>B\u1ea1n c\u00f3 th\u1ec3 t\u00ecm hi\u1ec3u th\u00eam th\u00f4ng tin v\u1ec1 ch\u1ee7 \u0111\u1ec1 \u0111\u00f3 <a rel=\"noreferrer noopener\" href=\"http:\/\/blog.futtta.be\/2014\/02\/13\/should-you-inline-or-defer-blocking-css\/\" target=\"_blank\">\u1edf b\u00e0i vi\u1ebft n\u00e0y<\/a>.<\/p>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Bo_nho_cache_cua_toi_ngay_cang_nang_Autoptimize_khong_xoa_bo_nho_cache_sao\"><\/span>B\u1ed9 nh\u1edb cache c\u1ee7a t\u00f4i ng\u00e0y c\u00e0ng n\u1eb7ng, Autoptimize kh\u00f4ng x\u00f3a b\u1ed9 nh\u1edb cache sao?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>Autoptimize kh\u00f4ng c\u00f3 c\u01a1 ch\u1ebf x\u00f3a b\u1ed9 nh\u1edb cache th\u00edch h\u1ee3p c\u1ee7a ri\u00eang n\u00f3, c\u0169ng nh\u01b0 vi\u1ec7c lo\u1ea1i b\u1ecf c\u00e1c file CSS\/JS \u0111\u00e3 \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u m\u00e0 v\u1eabn \u0111ang li\u00ean k\u1ebft v\u1edbi c\u00e1c file cache kh\u00e1c <em>c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng giao di\u1ec7n, ch\u1ee9c n\u0103ng c\u1ee7a trang<\/em>. H\u01a1n n\u1eefa, b\u1ed9 nh\u1edb cache t\u0103ng tr\u01b0\u1edfng nhanh l\u00e0 d\u1ea5u ch\u1ec9 cho c\u00e1c v\u1ea5n \u0111\u1ec1 kh\u00e1c m\u00e0 b\u1ea1n c\u1ea7n ph\u1ea3i tr\u00e1nh.<\/p>\n\n\n<p>B\u1ea1n c\u00f3 th\u1ec3 gi\u1eef k\u00edch c\u1ee1 file cache \u1edf ng\u01b0\u1ee1ng ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c b\u1eb1ng m\u1ed9t trong hai c\u00e1ch:<\/p>\n\n\n<ul><li>Kh\u00f4ng k\u00edch ho\u1ea1t t\u00ednh n\u0103ng &#8220;g\u1ed9p JS n\u1ed9i tuy\u1ebfn\/aggregate inline JS&#8221; ho\u1eb7c t\u00f9y ch\u1ecdn &#8220;g\u1ed9p CSS n\u1ed9i tuy\u1ebfn\/aggregate inline CSS&#8221;<\/li><li>Kh\u00f4ng bao g\u1ed3m c\u00e1c bi\u1ebfn JS (ho\u1eb7c m\u1ed9t s\u1ed1 selector CSS) thay \u0111\u1ed5i tr\u00ean m\u1ed7i trang (ho\u1eb7c m\u1ed7i l\u1ea7n t\u1ea3i trang). B\u1ea1n c\u00f3 th\u1ec3 bi\u1ebft c\u00e1ch l\u00e0m \u0111i\u1ec1u \u0111\u00f3 trong <a href=\"http:\/\/blog.futtta.be\/2014\/03\/19\/how-to-keep-autoptimizes-cache-size-under-control-and-improve-visitor-experience\/\" target=\"_blank\" rel=\"noreferrer noopener\">b\u00e0i vi\u1ebft n\u00e0y<\/a>.<\/li><\/ul>\n\n\n<p>M\u1eb7c d\u00f9 c\u00f3 nh\u1eefng ph\u1ea3n \u0111\u1ed1i \u1edf tr\u00ean, v\u1eabn c\u00f3 gi\u1ea3i ph\u00e1p c\u1ee7a b\u00ean th\u1ee9 3 t\u1ef1 \u0111\u1ed9ng x\u00f3a cache c\u1ee7a AO, th\u00ed d\u1ee5 nh\u01b0 s\u1eed d\u1ee5ng <a href=\"https:\/\/wordpress.org\/support\/topic\/contribution-autoptimize-cache-size-under-control-by-schedule-auto-cache-purge\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0111o\u1ea1n code n\u00e0y<\/a>&nbsp;ho\u1eb7c <a href=\"https:\/\/wordpress.org\/plugins\/bi-clean-cache\/\" target=\"_blank\" rel=\"noreferrer noopener\">plugin n\u00e0y<\/a>, tuy nhi\u00ean v\u00ec nh\u1eefng l\u00fd do k\u1ec3 tr\u00ean ch\u00fang s\u1ebd ch\u1ec9 n\u00ean d\u00f9ng n\u1ebfu b\u1ea1n bi\u1ebft r\u00f5 m\u00ecnh \u0111ang l\u00e0m \u0111i\u1ec1u g\u00ec.<\/p>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E2%80%9CXoa_cache%E2%80%9D_duong_nhu_khong_hoat_dong\"><\/span>&#8220;X\u00f3a cache&#8221; d\u01b0\u1eddng nh\u01b0 kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>Khi click v\u00e0o li\u00ean k\u1ebft &#8220;Delete Cache&#8221; b\u00ean d\u01b0\u1edbi thanh x\u1ed5 xu\u1ed1ng c\u1ee7a Autoptimize trong thanh c\u00f4ng c\u1ee5 c\u1ee7a admin, b\u1ea1n c\u00f3 th\u1ec3 nh\u1eadn \u0111\u01b0\u1ee3c th\u00f4ng b\u00e1o &#8220;Your cache might not have been purged successfully\/Cache c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u01b0\u1ee3c x\u00f3a th\u00e0nh c\u00f4ng&#8221;. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y b\u1ea1n h\u00e3y v\u00e0o trang thi\u1ebft l\u1eadp c\u1ee7a Autoptimizes v\u00e0 click v\u00e0o n\u00fat &#8220;Save changes &amp; clear cache \/ L\u01b0u c\u00e0i \u0111\u1eb7t &amp; x\u00f3a cache&#8221;.<\/p>\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/05\/01-delete-cache.png\"><img decoding=\"async\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2018\/05\/01-delete-cache.png\" alt=\"delete cache\" class=\"wp-image-9460\"\/><\/a><\/figure><\/div>\n\n\n<p>Ngo\u00e0i ra \u0111\u1eebng lo l\u1eafng n\u1ebfu cache c\u1ee7a b\u1ea1n kh\u00f4ng bao gi\u1edd xu\u1ed1ng \u0111\u1ebfn 0 files\/0KB, v\u00ec Autoptimize (t\u1eeb phi\u00ean b\u1ea3n 2.2) s\u1ebd t\u1ef1 \u0111\u1ed9ng t\u1ea1o cache ngay l\u1eadp t\u1ee9c sau khi n\u00f3 \u0111\u01b0\u1ee3c x\u00f3a \u0111\u1ec3 c\u1ea3i thi\u1ec7n th\u00eam n\u1eefa t\u1ed1c \u0111\u1ed9 n\u00e9n.<\/p>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Toi_van_dung_tinh_nang_Rocket_Loader_cua_Cloudflare_duoc_chu\"><\/span>T\u00f4i v\u1eabn d\u00f9ng t\u00ednh n\u0103ng Rocket Loader c\u1ee7a Cloudflare \u0111\u01b0\u1ee3c ch\u1ee9?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p><a rel=\"noreferrer noopener\" href=\"https:\/\/support.cloudflare.com\/hc\/en-us\/articles\/200168056-What-does-Rocket-Loader-do-\" target=\"_blank\">Cloudflare Rocket Loader<\/a> l\u00e0 t\u00ednh n\u0103ng kh\u00e1 cao c\u1ea5p nh\u01b0ng l\u00e0 c\u00e1ch can thi\u1ec7p x\u00e2m l\u1ea5n c\u00f3 m\u1ee5c \u0111\u00edch l\u00e0m cho JavaScript kh\u00f4ng-ch\u1eb7n-hi\u1ec3n-th\u1ecb, Cloudflare v\u1eabn ti\u1ebfp t\u1ee5c \u0111\u00e1nh gi\u00e1 phi\u00ean b\u1ea3n Beta. \u0110\u00f4i khi Autoptimize &amp; Rocket Loader l\u00e0m vi\u1ec7c c\u00f9ng nhau, \u0111\u00f4i khi ch\u00fang kh\u00f4ng \u0111\u01b0\u1ee3c nh\u01b0 v\u1eady. C\u00e1c ti\u1ebfp c\u1eadn t\u1ed1t nh\u1ea5t l\u00e0 t\u1eaft Rocket Loader, c\u1ea5u h\u00ecnh l\u1ea1i Autoptimize v\u00e0 sau \u0111\u00f3 b\u1eadt l\u1ea1i Rocket Loader (n\u1ebfu b\u1ea1n ngh\u0129 n\u00f3 c\u00f3 \u00edch) v\u00e0 ki\u1ec3m tra xem m\u1ecdi th\u1ee9 v\u1eabn ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng hay kh\u00f4ng?<\/p>\n\n\n<p>V\u00e0o th\u00e1ng 6 n\u0103m 2017, c\u00f3 v\u1ebb nh\u01b0 RocketLoader ph\u00e1 v\u1ee1 t\u00ednh n\u0103ng &#8220;inline &amp; defer CSS&#8221; c\u1ee7a AO, c\u00e1i d\u1ef1a tr\u00ean <a href=\"https:\/\/github.com\/filamentgroup\/loadCSS\">Filamentgroup&#8217;s loadCSS<\/a>, h\u1ec7 qu\u1ea3 l\u00e0 tr\u00ec ho\u00e3n t\u1ea3i CSS kh\u00f4ng \u0111\u01b0\u1ee3c t\u1ea3i.<\/p>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Toi_da_thu_Autoptimize_nhung_diem_so_Google_Pagespeed_Scored_cua_toi_hau_nhu_khong_duoc_cai_thien\"><\/span>T\u00f4i \u0111\u00e3 th\u1eed Autoptimize nh\u01b0ng \u0111i\u1ec3m s\u1ed1 Google Pagespeed Scored c\u1ee7a t\u00f4i h\u1ea7u nh\u01b0 kh\u00f4ng \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>Autoptimize kh\u00f4ng \u0111\u01a1n gi\u1ea3n l\u00e0 plugin &#8220;ch\u1ec9nh s\u1eeda \u0111i\u1ec3m s\u1ed1 Pagespeed&#8221; (xem th\u00eam b\u00e0i vi\u1ebft: <a href=\"https:\/\/kiencang.net\/diem-so-toc-do-khong-quan-trong\/\">T\u1ea1i sao \u0111i\u1ec3m s\u1ed1 Google PageSpeed l\u1ea1i kh\u00f4ng quan tr\u1ecdng<\/a>); n\u00f3 &#8220;ch\u1ec9&#8221; g\u1ed9p v\u00e0 n\u00e9n c\u00e1c file JS &amp; CSS v\u00e0 \u0111\u01b0a ra m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng m\u1edf r\u1ed9ng th\u00fa v\u1ecb nh\u01b0 lo\u1ea1i b\u1ecf font Google v\u00e0 tr\u00ec ho\u00e3n t\u1ea3i CSS.&nbsp;Autoptimize s\u1ebd gi\u00fap b\u1ea1n c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t (th\u1eddi gian t\u1ea3i trang t\u00ednh theo gi\u00e2y) v\u00e0 c\u0169ng c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft m\u1ed9t s\u1ed1 c\u1ea3nh b\u00e1o Pagespeed c\u1ee5 th\u1ec3.<\/p>\n\n\n<p>N\u1ebfu b\u1ea1n mu\u1ed1n c\u1ea3i thi\u1ec7n h\u01a1n n\u1eefa, b\u1ea1n c\u00f3 th\u1ec3 t\u00ecm ki\u1ebfm th\u00eam c\u00e1c plugin cache trang, <a href=\"https:\/\/kiencang.net\/plugin-nen-anh-wordpress\/\">plugin t\u1ed1i \u01b0u h\u00f3a h\u00ecnh \u1ea3nh<\/a> v\u00e0 tinh ch\u1ec9nh webserver, ch\u00fang s\u1ebd c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t th\u1ef1c (m\u1ed9t l\u1ea7n n\u1eefa, hi\u1ec7u su\u1ea5t \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng th\u1eddi gian t\u1ea3i trang, v\u00ed d\u1ee5 b\u1eb1ng c\u00f4ng c\u1ee5 https:\/\/webpagetest.org) v\u00e0 \u0111\u00e1nh gi\u00e1 c\u1ee7a pagespeed v\u1ec1 &#8220;c\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t v\u1ec1 hi\u1ec7u su\u1ea5t\/performance best practise&#8221;.<\/p>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Toi_dang_su_dung_Cloudflare_toi_phai_dien_vao_phan_CDN_root_directory_thu_muc_goc_cho_CDN_nhu_the_nao\"><\/span>T\u00f4i \u0111ang s\u1eed d\u1ee5ng Cloudflare, t\u00f4i ph\u1ea3i \u0111i\u1ec1n v\u00e0o ph\u1ea7n CDN root directory (th\u01b0 m\u1ee5c g\u1ed1c cho CDN) nh\u01b0 th\u1ebf n\u00e0o<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>B\u1ea1n kh\u00f4ng ph\u1ea3i l\u00e0m g\u00ec c\u1ea3, khi \u1ea5y Cloudflare s\u1ebd \u0111\u01b0a file CSS\/JS \u0111\u00e3 \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u b\u1eb1ng autoptimize l\u00ean CDN c\u1ee7a Cloudflare m\u1ed9t c\u00e1ch t\u1ef1 \u0111\u1ed9ng.<\/p>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tinh_nang_%E2%80%9Cexclude_from_optimizingloai_bo_toi_uu_hoa%E2%80%9D_hoat_dong_nhu_the_nao\"><\/span>T\u00ednh n\u0103ng &#8220;exclude from optimizing\/lo\u1ea1i b\u1ecf t\u1ed1i \u01b0u h\u00f3a&#8221; ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>B\u1ea1n c\u00f3 th\u1ec3 ch\u1ee7 \u0111\u1ed9ng kh\u00f4ng t\u1ed1i \u01b0u h\u00f3a file CSS v\u00e0 JS c\u1ee5 th\u1ec3 n\u00e0o \u0111\u1ea5y (kh\u00f4ng g\u1ed9p v\u00e0 n\u00e9n n\u00f3) b\u1eb1ng c\u00e1ch th\u00eam n\u00f3 v\u00e0o danh s\u00e1ch lo\u1ea1i tr\u1eeb, ng\u0103n c\u00e1ch c\u00e1c file n\u00e0y b\u1eb1ng d\u1ea5u ph\u1ea9y. C\u00e1ch x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c chu\u1ed7i c\u1ea7n s\u1eed d\u1ee5ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh nh\u01b0 sau:<\/p>\n\n\n<ul><li>N\u1ebfu b\u1ea1n mu\u1ed1n lo\u1ea1i tr\u1eeb m\u1ed9t file c\u1ee5 th\u1ec3, v\u00ed d\u1ee5&nbsp;<em>wp-content\/plugins\/funkyplugin\/css\/style.css<\/em>, b\u1ea1n c\u00f3 th\u1ec3 th\u00eam th\u00f4ng tin lo\u1ea1i tr\u1eeb \u0111\u01a1n gi\u1ea3n nh\u01b0 sau \u201c<em>funkyplugin\/css\/style.css<\/em>\u201d<\/li><li>N\u1ebfu b\u1ea1n mu\u1ed1n lo\u1ea1i tr\u1eeb t\u1ea5t c\u1ea3 c\u00e1c file c\u1ee7a m\u1ed9t plugin c\u1ee5 th\u1ec3, v\u00ed d\u1ee5&nbsp;<em>wp-content\/plugins\/funkyplugin\/js\/*<\/em>, b\u1ea1n c\u00f3 th\u1ec3 lo\u1ea1i tr\u1eeb n\u00f3 nh\u01b0 sau&nbsp;\u201c<em>funkyplugin\/js\/<\/em>\u201d ho\u1eb7c \u201c<em>plugins\/funkyplugin<\/em>\u201d.<\/li><li>N\u1ebfu b\u1ea1n mu\u1ed1n lo\u1ea1i tr\u1eeb m\u00e3 n\u1ed9i tuy\u1ebfn, b\u1ea1n s\u1ebd ph\u1ea3i t\u00ecm \u0111\u01b0\u1eddng d\u1eabn c\u1ee5 th\u1ec3 c\u1ee7a n\u00f3, chu\u1ed7i duy nh\u1ea5t trong kh\u1ed1i code v\u00e0 th\u00eam n\u00f3 v\u00e0o danh s\u00e1ch lo\u1ea1i tr\u1eeb. V\u00ed d\u1ee5: \u0111\u1ec3 lo\u1ea1i tr\u1eeb \u0111o\u1ea1n m\u00e3 n\u00e0y&nbsp;<code>&lt;script&gt;funky_data='Won\\'t you take me to, Funky Town'&lt;\/script&gt;<\/code>&nbsp;b\u1ea1n c\u1ea7n th\u00eam c\u1ee5m t\u1eeb sau v\u00e0o danh s\u00e1ch lo\u1ea1i tr\u1eeb &#8220;funky_data&#8221;.<\/li><\/ul>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Thiet_lap_cau_hinh_Xu_ly_su_co_xay_ra_voi_Autoptimize\"><\/span>Thi\u1ebft l\u1eadp c\u1ea5u h\u00ecnh &amp; X\u1eed l\u00fd s\u1ef1 c\u1ed1 x\u1ea3y ra v\u1edbi Autoptimize<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>Sau khi c\u00e0i \u0111\u1eb7t v\u00e0 k\u00edch ho\u1ea1t plugin, b\u1ea1n c\u1ea7n v\u00e0o khu v\u1ef1c trang admin \u0111\u1ec3 b\u1eadt c\u00e1c t\u00ednh n\u0103ng t\u1ed1i \u01b0u HTML, CSS v\u00e0 JavaScript. T\u00f9y theo \u00fd th\u00edch c\u1ee7a b\u1ea1n, b\u1ea1n c\u00f3 th\u1ec3 mu\u1ed1n b\u1eadt t\u1ea5t c\u1ea3 t\u00ednh n\u0103ng tr\u00ean, ho\u1eb7c n\u1ebfu b\u1ea1n c\u1ea9n th\u1eadn th\u00ec b\u1eadt t\u1eebng c\u00e1i m\u1ed9t \u0111\u1ec3 ki\u1ec3m tra.<\/p>\n\n\n<p>N\u1ebfu blog c\u1ee7a b\u1ea1n kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng sau khi b\u1eadt Autoptimize, d\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 ch\u1ec9 d\u1eabn nh\u1eb1m ph\u00e1t hi\u1ec7n &amp; gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 khi s\u1eed d\u1ee5ng &#8220;<em>c\u00e1c c\u00e0i \u0111\u1eb7t n\u00e2ng cao\/advanced settings<\/em>&#8220;:<\/p>\n\n\n<ul><li>N\u1ebfu t\u1ea5t c\u1ea3 v\u1eabn ho\u1ea1t \u0111\u1ed9ng \u1ed5n nh\u01b0ng b\u1ea1n nh\u1eadn th\u1ea5y blog ch\u1eadm h\u01a1n, h\u00e3y c\u00e0i plugin t\u1ea1o cache cho trang (nh\u01b0 <a href=\"https:\/\/kiencang.net\/plugin-cache-enabler\/\">Cache Enabler<\/a> ho\u1eb7c nh\u1eefng c\u00e1i t\u01b0\u01a1ng t\u1ef1) v\u00e0 ki\u1ec3m tra th\u00f4ng tin k\u00edch c\u1ee1 cache (gi\u1ea3i ph\u00e1p cho v\u1ea5n \u0111\u1ec1 n\u00e0y c\u0169ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u n\u0103ng c\u1ee7a c\u00e1c trang kh\u00f4ng t\u1ea1o cache).<\/li><li>Trong tr\u01b0\u1eddng h\u1ee3p blog c\u1ee7a b\u1ea1n tr\u00f4ng x\u1ea5u \u0111i, v\u00ed d\u1ee5 nh\u01b0 b\u1ed1 c\u1ee5c l\u1ed9n x\u1ed9n, th\u00ec c\u00f3 kh\u1ea3 n\u0103ng \u0111\u00e3 x\u1ea3y ra v\u1ea5n \u0111\u1ec1 v\u1edbi t\u1ed1i \u01b0u h\u00f3a CSS. Khi \u1ea5y b\u1ea1n c\u1ea7n b\u1eadt t\u00f9y ch\u1ecdn &#8220;Look for styles on just head?&#8221; v\u00e0 xem v\u1ea5n \u0111\u1ec1 c\u00f3 \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft kh\u00f4ng. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 \u00e9p CSS kh\u00f4ng \u0111\u01b0\u1ee3c g\u1ed9p b\u1eb1ng c\u00e1ch bao n\u00f3 trong th\u1ebb noptimize trong theme ho\u1eb7c widget c\u1ee7a b\u1ea1n ho\u1eb7c b\u1eb1ng c\u00e1ch th\u00eam t\u00ean file (cho stylesheets b\u00ean ngo\u00e0i trang) ho\u1eb7c chu\u1ed7i (cho styles n\u1ed9i tuy\u1ebfn) v\u00e0o danh s\u00e1ch lo\u1ea1i tr\u1eeb (exclude-list).<\/li><li>Trong tr\u01b0\u1eddng h\u1ee3p m\u1ed9t s\u1ed1 ch\u1ee9c n\u0103ng tr\u00ean trang web kh\u00f4ng l\u00e0m vi\u1ec7c (v\u00ed d\u1ee5 nh\u01b0 hi\u1ec7u \u1ee9ng slide, menu, \u00f4 nh\u1eadp li\u1ec7u,&#8230;) b\u1ea1n c\u00f3 th\u1ec3 \u0111\u00e3 g\u1eb7p v\u1ea5n \u0111\u1ec1 v\u1edbi vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a JavaScript. Thay \u0111\u1ed5i thi\u1ebft l\u1eadp &#8220;Aggregate inline JS\/G\u1ed9p JS n\u1ed9i tuy\u1ebfn&#8221; ho\u1eb7c &#8220;Force JavaScript in head?\/\u00c9p JavaScript l\u00ean \u0111\u1ea7u?&#8221; v\u00e0 th\u1eed l\u1ea1i l\u1ea7n n\u1eefa. Lo\u1ea1i tr\u1eeb &#8220;js\/jquery\/jquery.js&#8221; kh\u00f4ng cho t\u1ed1i \u01b0u h\u00f3a n\u1eefa (xem b\u00ean d\u01b0\u1edbi) v\u00e0 k\u00edch ho\u1ea1t t\u00f9y ch\u1ecdn &#8220;Add try\/catch wrapping&#8221; c\u00f3 th\u1ec3 c\u00f3 \u00edch.&nbsp;Ngo\u00e0i ra, b\u1ea1n c\u00f3 th\u1ec3 lo\u1ea1i tr\u1eeb c\u00e1c script c\u1ee5 th\u1ec3 kh\u1ecfi vi\u1ec7c x\u1eed l\u00fd (di chuy\u1ec3n v\u00e0 \/ ho\u1eb7c t\u1ed5ng h\u1ee3p) b\u1eb1ng Autoptimize b\u1eb1ng c\u00e1ch th\u00eam m\u1ed9t chu\u1ed7i s\u1ebd kh\u1edbp v\u1edbi JavaScript vi ph\u1ea1m ho\u1eb7c lo\u1ea1i tr\u1eeb n\u00f3 kh\u1ecfi template ho\u1eb7c widget c\u1ee7a b\u1ea1n b\u1eb1ng c\u00e1ch bao \u0111o\u1ea1n m\u00e3 gi\u1eefa th\u1ebb noptimize.&nbsp;Vi\u1ec7c x\u00e1c \u0111\u1ecbnh JavaScript vi ph\u1ea1m v\u00e0 ch\u1ecdn chu\u1ed7i lo\u1ea1i tr\u1eeb ch\u00ednh x\u00e1c c\u00f3 th\u1ec3 c\u1ea7n ph\u1ea3i qua b\u01b0\u1edbc th\u1eed sai, nh\u01b0ng trong ph\u1ea7n l\u1edbn tr\u01b0\u1eddng h\u1ee3p, c\u00e1c v\u1ea5n \u0111\u1ec1 t\u1ed1i \u01b0u h\u00f3a JavaScript c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft theo c\u00e1ch n\u00e0y. Khi b\u1ea1n g\u1ee1 l\u1ed7i JavaScript, b\u1ea3ng ki\u1ec3m so\u00e1t l\u1ed7i c\u1ee7a tr\u00ecnh duy\u1ec7t l\u00e0 c\u00f4ng c\u1ee5 quan tr\u1ecdng nh\u1ea5t \u0111\u1ec3 gi\u00fap b\u1ea1n hi\u1ec3u \u0111i\u1ec1u g\u00ec \u0111ang x\u1ea3y ra.<\/li><li>N\u1ebfu theme ho\u1eb7c plugin c\u1ee7a b\u1ea1n y\u00eau c\u1ea7u jQuery, b\u1ea1n c\u00f3 th\u1ec3 th\u1eed c\u1ed1 \u00e9p t\u1ea5t c\u1ea3 l\u00ean \u0111\u1ea7u v\u00e0\/ ho\u1eb7c lo\u1ea1i tr\u1eeb t\u1ed1i \u01b0u jquery.js (v\u00e0 jQuery c\u1ee7a plugin n\u1ebfu c\u1ea7n thi\u1ebft).<\/li><li>N\u1ebfu b\u1ea1n kh\u00f4ng th\u1ec3 t\u1ed1i \u01b0u h\u00f3a c\u1ea3 CSS v\u00e0 JS, b\u1ea1n c\u00f3 th\u1ec3 t\u1eaft ch\u00fang v\u00e0 s\u1eed d\u1ee5ng hai k\u1ef9 thu\u1eadt t\u1ed1i \u01b0u h\u00f3a kh\u00e1c.<\/li><li>N\u1ebfu b\u1ea1n \u0111\u00e3 c\u1ed1 th\u1eed c\u00e1c m\u1eb9o kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 \u1edf tr\u00ean m\u00e0 b\u1ea1n v\u1eabn kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng CSS v\u00e0 JS \u0111\u01b0\u1ee3c, b\u1ea1n c\u00f3 th\u1ec3 h\u1ecfi h\u1ed7 tr\u1ee3 tr\u00ean di\u1ec5n \u0111\u00e0n c\u1ee7a <a rel=\"noreferrer noopener\" href=\"https:\/\/wordpress.org\/support\/plugin\/autoptimize\" target=\"_blank\">Autoptimize WordPress<\/a>.<\/li><\/ul>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Troi_dat_trang_web_cua_toi_bien_thanh_trang_trang_hoac_bi_thong_bao_loi_internal_server_error_sau_khi_bat_Autoptimize\"><\/span>Tr\u1eddi \u0111\u1ea5t, trang web c\u1ee7a t\u00f4i bi\u1ebfn th\u00e0nh trang tr\u1eafng ho\u1eb7c b\u1ecb th\u00f4ng b\u00e1o l\u1ed7i internal server error sau khi b\u1eadt Autoptimize!<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>\u0110i\u1ec1u \u0111\u1ea7u ti\u00ean c\u1ea7n \u0111\u1ea3m b\u1ea3o l\u00e0 b\u1ea1n \u0111ang kh\u00f4ng b\u1eadt c\u00e1c plugin t\u1ed1i \u01b0u h\u00f3a HTML, CSS ho\u1eb7c JS kh\u00e1c (BWP minify, WP minify,&#8230;) song song v\u1edbi Autoptimize ho\u1eb7c b\u1ea1n \u0111\u00e3 t\u1eaft ch\u1ee9c n\u0103ng t\u01b0\u01a1ng t\u1ef1 n\u00e0y tr\u00ean plugin t\u1ea1o cache (W3 Total Cache, WP Fastest Cache, Cache Enabler&#8230;)<\/p>\n\n\n<p>Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p hi\u1ebfm b\u1ed9 ph\u1eadn n\u00e9n CSS hi\u1ec7n \u0111ang \u0111\u01b0\u1ee3c d\u00f9ng b\u1edfi Autoptimize g\u1eb7p ph\u1ea3i s\u1ef1 c\u1ed1 do thi\u1ebfu t\u00e0i nguy\u00ean (xem <a href=\"http:\/\/blog.futtta.be\/2014\/01\/14\/irregular-expressions-have-your-stack-for-lunch\/\" target=\"_blank\" rel=\"noreferrer noopener\">chi ti\u1ebft k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c gi\u1ea3i th\u00edch \u1edf \u0111\u00e2y<\/a>). Khi \u1ea5y b\u1ea1n c\u00f3 th\u1ec3 v\u00f4 hi\u1ec7u h\u00f3a t\u00ednh n\u0103ng t\u1ed1i \u01b0u CSS, c\u1ed1 lo\u1ea1i b\u1ecf c\u00e1c file CSS kh\u1ecfi vi\u1ec7c g\u1ed9p file ho\u1eb7c b\u1eadt c\u00e1c t\u00ednh n\u0103ng n\u00e9n kh\u00e1c kh\u00f4ng c\u00f3 v\u1ea5n \u0111\u1ec1 n\u00e0y. \u0110i\u1ec1u cu\u1ed1i c\u00f9ng b\u1ea1n c\u00f3 th\u1ec3 l\u00e0m l\u00e0 th\u00eam \u0111o\u1ea1n m\u00e3 sau v\u00e0o file <em>wp-config.php<\/em>:<\/p>\n\n\n<pre class=\"wp-block-code\"><code>define(\"AUTOPTIMIZE_LEGACY_MINIFIERS\",\"true\");<\/code><\/pre>\n\n\n<p>B\u1ea1n an t\u00e2m l\u00e0&nbsp;&#8220;legacy minifiers&#8221; s\u1ebd v\u1eabn n\u1eb1m trong Autoptimize &#8220;m\u00e3i m\u00e3i&#8221; v\u00e0 vi\u1ec7c thay \u0111\u1ed5i <em>wp-config.php<\/em> s\u1ebd kh\u00f4ng l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn l\u00f5i, theme (giao di\u1ec7n) ho\u1eb7c vi\u1ec7c c\u1eadp nh\u1eadt plugin.<\/p>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Noptimize_la_gi\"><\/span>Noptimize l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>B\u1eaft \u0111\u1ea7u t\u1eeb phi\u00ean b\u1ea3n 1.6.6 Autoptimize lo\u1ea1i tr\u1eeb t\u1ea5t c\u1ea3 c\u00e1c file n\u1eb1m b\u00ean trong th\u1ebb noptimize, l\u1ea5y v\u00ed d\u1ee5:<\/p>\n\n\n<pre class=\"wp-block-code\"><code> &lt;!--noptimize-->&lt;script>alert('this will not get autoptimized')>&lt;\/script>&lt;!--\/noptimize--><\/code><\/pre>\n\n\n<p>B\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u0111i\u1ec1u n\u00e0y trong n\u1ed9i dung b\u00e0i post ho\u1eb7c page, trong widget v\u00e0 trong file theme (xem x\u00e9t vi\u1ec7c t\u1ea1o child theme \u0111\u1ec3 tr\u00e1nh ch\u1ec9nh s\u1eeda c\u1ee7a b\u1ea1n b\u1ecb ghi \u0111\u00e8 khi theme c\u1eadp nh\u1eadt).<\/p>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tinh_nang_%E2%80%9Cremove_emojisloai_bo_emoji%E2%80%9D_co_tac_dung_gi\"><\/span>T\u00ednh n\u0103ng &#8220;remove emoji&#8217;s\/lo\u1ea1i b\u1ecf emoji&#8221; c\u00f3 t\u00e1c d\u1ee5ng g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>\u0110\u00e2y l\u00e0 t\u00f9y ch\u1ecdn m\u1edbi trong Autoptimize 2.3 \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 lo\u1ea1i b\u1ecf CSS n\u1ed9i tuy\u1ebfn, JS n\u1ed9i tuy\u1ebfn v\u00e0 c\u00e1c file JS li\u00ean k\u1ebft \u0111\u01b0\u1ee3c th\u00eam b\u1edfi l\u00f5i c\u1ee7a WordPress. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra \u1ea3nh h\u01b0\u1edfng t\u00edch c\u1ef1c (d\u00f9 nh\u1ecf) l\u00ean hi\u1ec7u n\u0103ng c\u1ee7a website.<\/p>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Toi_co_nen_toi_uu_hoa_Google_Fonts_hay_khong_lam_nhu_the_nao\"><\/span>T\u00f4i c\u00f3 n\u00ean t\u1ed1i \u01b0u h\u00f3a Google Fonts hay kh\u00f4ng &amp; l\u00e0m nh\u01b0 th\u1ebf n\u00e0o?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>Google Fonts th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u1ea3i b\u1eb1ng m\u1ed9t file CSS li\u00ean k\u1ebft \u0111\u1ebfn d\u1ea1ng &#8220;ch\u1eb7n hi\u1ec3n th\u1ecb&#8221;. N\u1ebfu b\u1ea1n c\u00f3 theme v\u00e0 plugin s\u1eed d\u1ee5ng Google Fonts, b\u1ea1n c\u00f3 th\u1ec3 k\u1ebft th\u00fac v\u1edbi r\u1ea5t nhi\u1ec1u file CSS. Autoptimize (t\u1eeb phi\u00ean b\u1ea3n 2.3) hi\u1ec7n cho b\u1ea1n gi\u1ea3m b\u1edbt \u1ea3nh h\u01b0\u1edfng c\u1ee7a Google Fonts b\u1eb1ng c\u1ea3 hai c\u00e1ch l\u00e0 lo\u1ea1i b\u1ecf ch\u00fang ho\u00e0n to\u00e0n ho\u1eb7c t\u1ed1i \u01b0u h\u00f3a c\u00e1ch n\u00f3 \u0111\u01b0\u1ee3c t\u1ea3i. <\/p>\n\n\n<p>C\u00f3 hai c\u00e1ch th\u1ee9c t\u1ed1i \u01b0u; c\u00e1ch th\u1ee9 nh\u1ea5t l\u00e0 &#8220;combine an link\/k\u1ebft h\u1ee3p v\u00e0 li\u00ean k\u1ebft&#8221;, n\u00f3 s\u1ebd thay th\u1ebf to\u00e0n b\u1ed9 y\u00eau c\u1ea7u t\u1eeb Google Font th\u00e0nh m\u1ed9t y\u00eau c\u1ea7u (request), n\u00f3 s\u1ebd v\u1eabn \u1edf d\u1ea1ng ch\u1eb7n-hi\u1ec3n-th\u1ecb nh\u01b0ng s\u1ebd cho ph\u00e9p font t\u1ea3i ngay l\u1eadp t\u1ee9c (\u0111i\u1ec1u \u0111\u00f3 ngh\u0129a l\u00e0 b\u1ea1n kh\u00f4ng th\u1ea5y font thay \u0111\u1ed5i trong khi trang \u0111\u01b0\u1ee3c t\u1ea3i\/FOUT). <\/p>\n\n\n<p>Gi\u1ea3i ph\u00e1p thay th\u1ebf ti\u1ebfp theo l\u00e0 &#8220;combine and load async\/k\u1ebft h\u1ee3p v\u00e0 t\u1ea3i kh\u00f4ng \u0111\u1ed3ng b\u1ed9&#8221;, l\u1ef1a ch\u1ecdn n\u00e0y s\u1eed d\u1ee5ng JavaScript \u0111\u1ec3 t\u1ea3i font d\u01b0\u1edbi d\u1ea1ng kh\u00f4ng-ch\u1eb7n-hi\u1ec3n-th\u1ecb nh\u01b0ng c\u00f3 th\u1ec3 g\u00e2y ra t\u00ecnh tr\u1ea1ng font ch\u1eef thay \u0111\u1ed5i trong khi t\u1ea3i trang (nh\u01b0ng b\u1ea1n y\u00ean t\u00e2m, khi trang t\u1ea3i xong n\u00f3 s\u1ebd gi\u1eef font ch\u1eef ch\u00ednh x\u00e1c, \u1ed5n \u0111\u1ecbnh).<\/p>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Toi_khong_muon_dung_Autoptimize_nua_cach_go_bo_no_nhu_the_nao\"><\/span>T\u00f4i kh\u00f4ng mu\u1ed1n d\u00f9ng Autoptimize n\u1eefa, c\u00e1ch g\u1ee1 b\u1ecf n\u00f3 nh\u01b0 th\u1ebf n\u00e0o?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<ul><li>V\u00f4 hi\u1ec7u h\u00f3a plugin (\u0111i\u1ec1u n\u00e0y s\u1ebd lo\u1ea1i b\u1ecf c\u00e1c t\u00f9y ch\u1ecdn v\u00e0 t\u1ea1o cache)<\/li><li>Lo\u1ea1i b\u1ecf plugin<\/li><li>Lo\u1ea1i b\u1ecf b\u1ea5t c\u1ee9 cache n\u00e0o c\u00f3 th\u1ec3 v\u1eabn c\u00f2n li\u00ean k\u1ebft v\u1edbi CSS\/JS m\u00e0 Autoptimize t\u1ea1o (v\u00ed d\u1ee5 m\u1ed9t trang t\u0129nh \u0111\u01b0\u1ee3c t\u1ea1o b\u1edfi plugin nh\u01b0 WP Super Cache)<\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>M\u00f4 t\u1ea3: Plugin Autoptimize gi\u00fap t\u1ed1i \u01b0u h\u00f3a trang c\u1ee7a b\u1ea1n th\u1eadt d\u1ec5 d\u00e0ng. N\u00f3 c\u00f3 th\u1ec3 g\u1ed9p, n\u00e9n (minify) v\u00e0 t\u1ea1o cache cho c\u00e1c \u0111o\u1ea1n m\u00e3 th\u1ef1c thi scripts (JS) v\u00e0 m\u00e3 \u0111\u1ecbnh d\u1ea1ng (CSS). N\u00f3 c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0a c\u00e1c \u0111o\u1ea1n CSS v\u00e0o ph\u1ea7n \u0111\u1ea7u c\u1ee7a trang theo m\u1eb7c \u0111\u1ecbnh (nh\u01b0ng c\u0169ng c\u00f3 &hellip;<\/p>\n","protected":false},"author":1,"featured_media":13117,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[262,272],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 plugin Autoptimize &#8226; Ki\u1ebfn c\u00e0ng<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/kiencang.net\/faq-plugin-autoptimize\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 plugin Autoptimize &#8226; Ki\u1ebfn c\u00e0ng\" \/>\n<meta property=\"og:description\" content=\"M\u00f4 t\u1ea3: Plugin Autoptimize gi\u00fap t\u1ed1i \u01b0u h\u00f3a trang c\u1ee7a b\u1ea1n th\u1eadt d\u1ec5 d\u00e0ng. N\u00f3 c\u00f3 th\u1ec3 g\u1ed9p, n\u00e9n (minify) v\u00e0 t\u1ea1o cache cho c\u00e1c \u0111o\u1ea1n m\u00e3 th\u1ef1c thi scripts (JS) v\u00e0 m\u00e3 \u0111\u1ecbnh d\u1ea1ng (CSS). 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