{"id":4701,"date":"2021-11-22T02:34:00","date_gmt":"2021-11-21T19:34:00","guid":{"rendered":"https:\/\/kiencang.net\/?p=4701"},"modified":"2023-07-23T18:30:30","modified_gmt":"2023-07-23T11:30:30","slug":"nguoi-dung-truc-tuyen-doc-nhu-nao","status":"publish","type":"post","link":"https:\/\/kiencang.net\/nguoi-dung-truc-tuyen-doc-nhu-nao\/","title":{"rendered":"Ng\u01b0\u1eddi d\u00f9ng tr\u1ef1c tuy\u1ebfn \u0111\u1ecdc \u00edt nh\u01b0 th\u1ebf n\u00e0o?"},"content":{"rendered":"\n<p><span style=\"color: #993300;\"><strong>T\u00f3m t\u1eaft:<\/strong> Trung b\u00ecnh tr\u00ean trang web, ng\u01b0\u1eddi d\u00f9ng b\u1ecf th\u1eddi gian \u0111\u1ec3 \u0111\u1ecdc nhi\u1ec1u nh\u1ea5t l\u00e0 28% s\u1ed1 t\u1eeb; c\u00f2n h\u1ea7u h\u1ebft l\u00e0 20%.<\/span><\/p>\n\n\n\n<p>Ch\u00fang t\u00f4i bi\u1ebft \u0111i\u1ec1u n\u00e0y t\u1eeb nghi\u00ean c\u1ee9u \u0111\u1ea7u ti\u00ean v\u1ec1 c\u00e1ch ng\u01b0\u1eddi d\u00f9ng \u0111\u1ecdc tr\u00ean Web cho th\u1ea5y l\u00e0 h\u1ecd th\u01b0\u1eddng&nbsp;kh\u00f4ng \u0111\u1ecdc nhi\u1ec1u. <strong>\u0110\u1ecdc l\u01b0\u1edbt&nbsp;<\/strong>(<em>Scanning<\/em>) v\u0103n b\u1ea3n l\u00e0 h\u00e0nh vi c\u1ef1c k\u1ef3 ph\u1ed5 bi\u1ebfn c\u1ee7a ng\u01b0\u1eddi c\u00f3 tr\u00ecnh \u0111\u1ed9 h\u1ecdc v\u1ea5n cao; nghi\u00ean c\u1ee9u g\u1ea7n \u0111\u00e2y c\u1ee7a ch\u00fang t\u00f4i v\u1ec1 eyetracking x\u00e1c nh\u1eadn r\u00f5 th\u00eam ph\u00e1t hi\u1ec7n n\u00e0y.<\/p>\n\n\n\n<p>Ch\u1ec9 c\u00f3 m\u1ed9t \u0111i\u1ec1u m\u00e0 ch\u00fang t\u00f4i kh\u00f4ng r\u00f5 l\u00e0 c\u00f4ng th\u1ee9c to\u00e1n h\u1ecdc \u0111\u1ec3 \u0111\u1ecbnh l\u01b0\u1ee3ng ch\u00ednh x\u00e1c&nbsp;m\u1ee9c \u0111\u1ed9 (ho\u1eb7c s\u1ed1 l\u01b0\u1ee3ng \u00edt \u1ecfi) m\u00e0 m\u1ecdi ng\u01b0\u1eddi \u0111\u1ecdc khi h\u1ecd online. Gi\u1edd, c\u1ea3m \u01a1n c\u00e1c d\u1eef li\u1ec7u m\u1edbi, ch\u00fang ta \u0111\u00e3 bi\u1ebft \u0111i\u1ec1u \u0111\u1ea5y kh\u00e1 r\u00f5.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Nghi\u00ean c\u1ee9u<\/h2>\n\n\n\n<p>Trong nghi\u00ean c\u1ee9u c\u1ee7a nh\u00f3m t\u00e1c Harald Weinreich, Hartmut Obendorf, Eelco Herder, v\u00e0 Matthias Mayer th\u1ef1c hi\u1ec7n n\u0103m 2008, c\u00e1c t\u00e1c gi\u1ea3 xem x\u00e9t, ghi l\u1ea1i 25 ng\u01b0\u1eddi d\u00f9ng duy\u1ec7t web v\u1ec1 t\u1ea5t c\u1ea3 c\u00e1c h\u00e0nh \u0111\u1ed9ng th\u00f4ng th\u01b0\u1eddng c\u1ee7a h\u1ecd \u0111\u00e3 l\u00e0m khi h\u1ecd d\u00f9ng trang web. \u0110i\u1ec1u quan tr\u1ecdng v\u1ec1 nghi\u00ean c\u1ee9u n\u00e0y l\u00e0 n\u00f3 <strong>ho\u00e0n to\u00e0n t\u1ef1 nhi\u00ean <\/strong>(<em>completely naturalistic<\/em>): nh\u1eefng ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng l\u00e0m b\u1ea5t c\u1ee9 \u0111i\u1ec1u g\u00ec \u0111\u1eb7c bi\u1ec7t c\u1ea3.<\/p>\n\n\n\n<p>Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a nghi\u00ean c\u1ee9u n\u00e0y l\u00e0 c\u00e1c ng\u01b0\u1eddi d\u00f9ng tham gia \u0111\u1ec1u th\u00f4ng minh h\u01a1n trung b\u00ecnh, trong \u0111\u00f3 c\u00f3 v\u00e0i ng\u01b0\u1eddi l\u00e0m trong tr\u01b0\u1eddng \u0111\u1ea1i h\u1ecdc. Tuy nhi\u00ean, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 kh\u00f4ng ph\u1ea3i l\u00e0 v\u1ea5n \u0111\u1ec1 qu\u00e1 l\u1edbn. <\/p>\n\n\n\n<p>N\u1ebfu, th\u00ed d\u1ee5, ch\u00fang ta so s\u00e1nh d\u1eef li\u1ec7u ch\u00fang t\u00f4i thu th\u1eadp \u0111\u01b0\u1ee3c trong n\u0103m 2008 cho h\u1ed9i th\u1ea3o C\u00e1c h\u01b0\u1edbng d\u1eabn quan tr\u1ecdng nh\u1ea5t v\u1ec1 thi\u1ebft k\u1ebf Web UX v\u1edbi m\u1ed9t nghi\u00ean c\u1ee9u \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n v\u00e0o n\u0103m 2004, ch\u00fang ta s\u1ebd th\u1ea5y c\u00e1c h\u00e0nh vi trung b\u00ecnh r\u1ea5t gi\u1ed1ng v\u1edbi ng\u01b0\u1eddi d\u00f9ng cao c\u1ea5p c\u1ee7a n\u0103m 2004.<\/p>\n\n\n\n<p>V\u00ec v\u1eady, m\u1eb7c d\u00f9 ngay c\u1ea3 khi d\u1eef li\u1ec7u c\u1ee7a Weinreich \u0111\u1ea1i di\u1ec7n cho nh\u00f3m ng\u01b0\u1eddi d\u00f9ng cao c\u1ea5p, n\u00f3 s\u1ebd kh\u00e1 t\u01b0\u01a1ng \u0111\u1ed3ng v\u1edbi h\u00e0nh vi cho nh\u1eefng nh\u00f3m \u0111\u1ed1i t\u01b0\u1ee3ng r\u1ed9ng l\u1edbn h\u01a1n trong t\u01b0\u01a1ng lai. Trong th\u1ef1c t\u1ebf, nh\u00f3m t\u00e1c gi\u1ea3 thu th\u1eadp d\u1eef li\u1ec7u trong n\u0103m 2005, v\u00ec v\u1eady c\u00e1c h\u00e0nh vi \u0111\u01b0\u1ee3c ghi l\u1ea1i n\u00e0y c\u00f3 th\u1ec3 \u0111\u00e3 tr\u1edf n\u00ean kh\u00e1 ph\u1ed5 bi\u1ebfn r\u1ed3i.<\/p>\n\n\n\n<p>Trong b\u1ea5t c\u1ee9 tr\u01b0\u1eddng h\u1ee3p n\u00e0o, nghi\u00ean c\u1ee9u n\u00e0y c\u0169ng \u0111\u00e3 \u0111\u01b0a ra m\u1ed9t s\u1ed1 ph\u00e1t hi\u1ec7n th\u00fa v\u1ecb, v\u00e0 n\u1ed9i dung \u0111\u1ea7y \u0111\u1ee7 (<em>ph\u1ea3i m\u1ea5t m\u1ea5y ch\u1ee5c \u0111\u00f4 \u0111\u1ec3 \u0111\u1ecdc n\u1ed9i dung \u0111\u1ea7y \u0111\u1ee7<\/em>) r\u1ea5t \u0111\u00e1ng b\u1ecf c\u00f4ng \u0111\u1ecdc.<\/p>\n\n\n\n<p>Trong s\u1ed1 \u0111\u00f3, c\u00e1c t\u00e1c gi\u1ea3 ph\u00e1t hi\u1ec7n ra r\u1eb1ng, <strong>n\u00fat Back (quay l\u1ea1i) hi\u1ec7n ch\u1ec9 x\u1ebfp th\u1ee9 3 trong c\u00e1c ch\u1ee9c n\u0103ng hay \u0111\u01b0\u1ee3c d\u00f9ng nh\u1ea5t<\/strong> tr\u00ean Web. Click v\u00e0o \u0111\u01b0\u1eddng <a href=\"https:\/\/kiencang.net\/van-ban-neo\/\">li\u00ean k\u1ebft v\u0103n b\u1ea3n<\/a>&nbsp;v\u1eabn l\u00e0 ch\u1ee9c n\u0103ng \u0111\u01b0\u1ee3c d\u00f9ng nhi\u1ec1u nh\u1ea5t, nh\u01b0ng click v\u00e0o c\u00e1c n\u00fat (tr\u00ean trang web) gi\u1edd \u0111\u00e3 v\u01b0\u1ee3t qua n\u00fat <em>Back<\/em> \u0111\u1ec3 tr\u1edf th\u00e0nh t\u00ednh n\u0103ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u th\u1ee9 hai.<\/p>\n\n\n\n<p>L\u00fd do c\u1ee7a thay \u0111\u1ed5i n\u00e0y l\u00e0 s\u1ef1 ph\u1ed5 bi\u1ebfn gia t\u0103ng c\u1ee7a c\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 c\u00e1c ch\u1ee9c n\u0103ng \u0111a d\u1ea1ng (<em>feature-rich<\/em>) tr\u00ean Web y\u00eau c\u1ea7u ng\u01b0\u1eddi d\u00f9ng click v\u00e0o n\u00fat \u0111\u1ec3 truy c\u1eadp c\u00e1c ch\u1ee9c n\u0103ng \u0111\u00f3 c\u1ee7a h\u1ecd.<\/p>\n\n\n\n<p>T\u1ea5t nhi\u00ean, <strong>n\u00fat Back v\u1eabn l\u00e0 n\u00fat c\u1ef1c k\u1ef3 quan tr\u1ecdng v\u1edbi ng\u01b0\u1eddi d\u00f9ng<\/strong> v\u00e0 trong c\u00e1c h\u01b0\u1edbng d\u1eabn v\u1ec1 <a href=\"https:\/\/kiencang.net\/tinh-kha-dung-la-gi\/\">t\u00ednh kh\u1ea3 d\u1ee5ng<\/a> n\u00f3 v\u1eabn th\u01b0\u1eddng l\u00e0 y\u1ebfu t\u1ed1 \u0111\u01b0\u1ee3c nh\u1eafc \u0111\u1ebfn nhi\u1ec1u. (B\u1ecf n\u00fat Back l\u00e0 sai l\u1ea7m s\u1ed1 m\u1ed9t v\u1ec1 thi\u1ebft k\u1ebf trong n\u0103m 1999 v\u00e0 v\u1eabn n\u1eb1m trong nh\u00f3m sai l\u1ea7m l\u1edbn nh\u1ea5t cho \u0111\u1ebfn t\u1eadn ng\u00e0y h\u00f4m nay.)<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">H\u00e0nh vi \u0111\u1ecdc th\u1ef1c t\u1ebf<\/h2>\n\n\n\n<p>Harald Weinreich \u0111\u00e3 r\u1ea5t t\u1eed t\u1ebf cung c\u1ea5p cho t\u00f4i chi ti\u1ebft t\u1ec7p d\u1eef li\u1ec7u v\u1edbi 59,573 l\u01b0\u1ee3t xem trang.<\/p>\n\n\n\n<p>T\u1eeb d\u1eef li\u1ec7u n\u00e0y, t\u00f4i lo\u1ea1i b\u1ecf c\u00e1c b\u1ea3n ghi sau:<\/p>\n\n\n\n<ul>\n<li>10 163 l\u01b0\u1ee3t xem (17%) k\u00e9o d\u00e0i \u00edt h\u01a1n 4 gi\u00e2y. Trong nh\u1eefng l\u1ea7n &#8220;gh\u00e9 th\u0103m&#8221; ng\u1eafn nh\u01b0 v\u1eady, ng\u01b0\u1eddi d\u00f9ng r\u00f5 r\u00e0ng l\u00e0 r\u1eddi kh\u1ecfi trang ngay l\u1eadp t\u1ee9c m\u00e0 kh\u00f4ng th\u1ef1c s\u1ef1 &#8220;s\u1eed d\u1ee5ng&#8221; trang.<\/li>\n\n\n\n<li>2 615 l\u01b0\u1ee3t xem (4%) k\u00e9o d\u00e0i h\u01a1n 10 ph\u00fat. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, ng\u01b0\u1eddi d\u00f9ng h\u1ea7u nh\u01b0 ch\u1eafc ch\u1eafn \u0111\u1ec3 l\u1ea1i tr\u00ecnh duy\u1ec7t c\u1ee9 m\u1edf nh\u01b0 v\u1eady trong khi l\u00e0m vi\u1ec7c g\u00ec \u0111\u00f3 kh\u00e1c.<\/li>\n\n\n\n<li>1 558 l\u01b0\u1ee3t xem (3%) v\u1edbi s\u1ed1 l\u01b0\u1ee3ng t\u1eeb ch\u1ec9 kho\u1ea3ng 20 t\u1eeb. Nh\u1eefng trang nh\u01b0 th\u1ebf c\u00f3 th\u1ec3 b\u1ecb l\u1ed7i server ho\u1eb7c b\u1ecb gi\u00e1n \u0111o\u1ea1n (<em>disrupted<\/em>) khi t\u1ea3i v\u1ec1.<\/li>\n<\/ul>\n\n\n\n<p>Sau khi d\u1ecdn d\u1eb9p t\u1ec7p d\u1eef li\u1ec7u, t\u00f4i \u0111\u00e3 \u0111\u01b0a <strong>45 237 l\u01b0\u1ee3t xem<\/strong> v\u00e0o ph\u00e2n t\u00edch c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n<p>T\u00f4i c\u00f3 \u0111\u01b0\u1ee3c c\u00f4ng th\u1ee9c m\u00f4 t\u1ea3 r\u1ea5t t\u1ed1t h\u00e0nh vi \u0111\u1ecdc c\u1ee7a ng\u01b0\u1eddi d\u00f9ng cho c\u00e1c trang c\u00f3 s\u1ed1 t\u1eeb trong kho\u1ea3ng t\u1eeb <strong>30 \u0111\u1ebfn 1250<\/strong>. V\u1edbi trang d\u00e0i h\u01a1n, vi\u1ec7c \u0111\u1ecdc tr\u1edf n\u00ean kh\u00e1 th\u1ea5t th\u01b0\u1eddng. <\/p>\n\n\n\n<p>C\u00e1c trang c\u00f3 s\u1ed1 l\u01b0\u1ee3ng t\u1eeb l\u1edbn c\u00f3 th\u1ec3 kh\u00f4ng ph\u1ea3i l\u00e0 trang &#8220;th\u1ef1c&#8221; m\u1ed9t ch\u00fat n\u00e0o &#8211; ch\u00fang gi\u1ed1ng nh\u01b0 n\u1ed9i dung h\u00e0n l\u00e2m&nbsp;ho\u1eb7c trang &#8220;\u0111\u1ec1u kho\u1ea3n &amp; \u0111i\u1ec1u ki\u1ec7n&#8221;, nh\u1eefng trang m\u00e0 ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng mu\u1ed1n b\u1ecf th\u1eddi gian ra \u0111\u1ecdc. [Trong nghi\u00ean c\u1ee9u cho cu\u1ed1n s\u00e1ch \u01afu ti\u00ean T\u00ednh kh\u1ea3 d\u1ee5ng c\u1ee7a Web, ch\u00fang t\u00f4i ph\u00e1t hi\u1ec7n ra r\u1eb1ng m\u1ecdi ng\u01b0\u1eddi ch\u1ec9 \u0111\u1ecdc 10% v\u0103n b\u1ea3n ki\u1ec3u c\u00e1c &#8220;\u0111i\u1ec1u kho\u1ea3n c\u1ea7n \u0111\u1ed3ng \u00fd&#8221;.]<\/p>\n\n\n\n<p>B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y cho th\u1ea5y th\u1eddi gian trung b\u00ecnh ng\u01b0\u1eddi d\u00f9ng \u1edf tr\u00ean trang tu\u1ef3 v\u00e0o s\u1ed1 t\u1eeb c\u1ee7a trang:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><a href=\"https:\/\/kiencang.net\/wp-content\/uploads\/2017\/05\/page-visit-time-per-word-count.gif\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"482\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2017\/05\/page-visit-time-per-word-count.gif\" alt=\"\" class=\"wp-image-4706\"\/><\/a><\/figure><\/div>\n\n\n<p>Ch\u1eafc ch\u1eafn, ng\u01b0\u1eddi d\u00f9ng c\u00f3 xu h\u01b0\u1edbng \u1edf l\u1ea1i l\u00e2u h\u01a1n tr\u00ean trang c\u00f3 nhi\u1ec1u th\u00f4ng tin. D\u1ea7u v\u1eady, c\u00e1c c\u00f4ng th\u1ee9c ph\u00f9 h\u1ee3p nh\u1ea5t (<em>best-fit formula<\/em>) ti\u1ebft l\u1ed9 v\u1edbi ch\u00fang t\u00f4i l\u00e0 h\u1ecd ch\u1ec9 d\u00f9ng <strong>4,4 gi\u00e2y cho m\u1ed7i 100 t\u1eeb<\/strong>.<\/p>\n\n\n\n<p>Th\u00f4ng th\u01b0\u1eddng, t\u00f4i gi\u1ea3 \u0111\u1ecbnh t\u1ed1c \u0111\u1ed9 \u0111\u1ecdc l\u00e0 200 t\u1eeb m\u1ed7i ph\u00fat (<em>words per minute &#8211; WPM<\/em>), nh\u01b0ng b\u1edfi v\u00ec ng\u01b0\u1eddi d\u00f9ng trong nghi\u00ean c\u1ee9u n\u00e0y c\u00f3 tr\u00ecnh \u0111\u1ed9 h\u1ecdc v\u1ea5n cao, t\u00f4i t\u0103ng l\u00ean 250 WPM. \u1ede t\u1ed1c \u0111\u1ed9 \u0111\u1ecdc \u0111\u00f3, ng\u01b0\u1eddi d\u00f9ng ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u1ecdc \u0111\u01b0\u1ee3c 18 t\u1eeb trong 4,4 gi\u00e2y. V\u00ec v\u1eady, khi v\u0103n b\u1ea3n c\u1ee7a b\u1ea1n d\u00e0i, b\u1ea1n c\u00f3 th\u1ec3 gi\u1ea3 \u0111\u1ecbnh l\u00e0 <strong>ng\u01b0\u1eddi d\u00f9ng ch\u1ec9 \u0111\u1ecdc 18%<\/strong> to\u00e0n b\u1ed9 th\u00f4i.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">T\u1ec9 l\u1ec7 \u0111\u1ecdc v\u0103n b\u1ea3n<\/h2>\n\n\n\n<p>\u0110\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 nghi\u00ean c\u1ee9u v\u1ec1 eyetracking (ki\u1ec3u theo d\u00f5i h\u00e0nh vi c\u1ee7a con ng\u01b0\u01a1i khi \u0111\u1ecdc, xem v\u0103n b\u1ea3n), v\u00ec v\u1eady ch\u00fang t\u00f4i kh\u00f4ng bi\u1ebft c\u00e1ch ng\u01b0\u1eddi d\u00f9ng ph\u00e2n b\u1ed5 th\u1eddi gian tr\u00ean trang Web.<\/p>\n\n\n\n<p>C\u00f4ng th\u1ee9c b\u00ean tr\u00ean ch\u1ec9 ra r\u1eb1ng, th\u1eddi gian c\u1ed1 \u0111\u1ecbnh l\u00e0 kho\u1ea3ng 25 gi\u00e2y, th\u00eam v\u00e0o \u0111\u00f3 l\u00e0 4,4 gi\u00e2y cho m\u1ed7i 100 t\u1eeb. (T\u1ea5t nhi\u00ean, c\u00e1c con s\u1ed1 kh\u00f4ng ph\u1ea3i l\u00e0 &#8220;c\u1ed1 \u0111\u1ecbnh&#8221; theo ngh\u0129a l\u00e0 n\u00f3 lu\u00f4n lu\u00f4n c\u00f3 c\u00f9ng gi\u00e1 tr\u1ecb &#8211; \u0111\u00e2y l\u00e0 nh\u1eefng gi\u00e1 tr\u1ecb trung b\u00ecnh.)<\/p>\n\n\n\n<p>C\u00f4ng th\u1ee9c n\u00e0y d\u01b0\u1eddng nh\u01b0 ch\u1ec9 ra r\u1eb1ng m\u1ecdi ng\u01b0\u1eddi s\u1eed d\u1ee5ng th\u1eddi gian c\u1ee7a h\u1ecd \u0111\u1ec3 hi\u1ec3u b\u1ed1 c\u1ee5c trang (<em>page layout<\/em>) v\u00e0 c\u00e1c ch\u1ee9c n\u0103ng \u0111i\u1ec1u h\u01b0\u1edbng, c\u0169ng nh\u01b0 nh\u00ecn h\u00ecnh \u1ea3nh. R\u00f5 r\u00e0ng, ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng d\u00e0nh to\u00e0n b\u1ed9 th\u1eddi gian ch\u1ec9 \u0111\u1ec3 \u0111\u1ecdc.<\/p>\n\n\n\n<p>D\u00f9 sao, t\u1ed5ng th\u1eddi gian tr\u00ean trang ch\u1eafc ch\u1eafn&nbsp;l\u00e0 gi\u1edbi h\u1ea1n tr\u00ean c\u1ee7a t\u1ed5ng th\u1eddi gian c\u00f3 th\u1ec3 cho vi\u1ec7c \u0111\u1ecdc (<em>\u00fd l\u00e0 th\u1eddi gian \u0111\u1ecdc l\u00fac n\u00e0o c\u0169ng \u00edt h\u01a1n t\u1ed5ng th\u1eddi gian tr\u00ean trang<\/em>). V\u00ec v\u1eady, ch\u00fang t\u00f4i c\u00f3 th\u1ec3 t\u00ednh to\u00e1n gi\u1ea3 thuy\u1ebft&nbsp;v\u1ec1 <strong>t\u1ed5ng s\u1ed1 t\u1eeb ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 \u0111\u1ecdc<\/strong>, n\u1ebfu h\u1ecd ph\u00e2n b\u1ed5 to\u00e0n b\u1ed9 th\u1eddi gian gh\u00e9 th\u0103m trang \u0111\u1ec3 \u0111\u1ecdc.<\/p>\n\n\n\n<p>B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y cho th\u1ea5y s\u1ed1 t\u1eeb t\u1ed1i \u0111a ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 \u0111\u1ecdc trong su\u1ed1t m\u1ed9t l\u1ea7n gh\u00e9 th\u0103m trung b\u00ecnh t\u1edbi trang t\u01b0\u01a1ng \u1ee9ng v\u1edbi s\u1ed1 t\u1eeb kh\u00e1c nhau:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><a href=\"https:\/\/kiencang.net\/wp-content\/uploads\/2017\/05\/percent-of-text-read.gif\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"482\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2017\/05\/percent-of-text-read.gif\" alt=\"\" class=\"wp-image-4707\"\/><\/a><\/figure><\/div>\n\n\n<p>\u0110\u00e2y l\u00e0 m\u1ed9t \u0111\u01b0\u1eddng cong suy gi\u1ea3m r\u1ea5t nhanh ch\u00f3ng (<em>rapidly declining curve<\/em>). Trong m\u1ed9t l\u1ea7n truy c\u1eadp trung b\u00ecnh, <strong>ng\u01b0\u1eddi d\u00f9ng ch\u1ec9 \u0111\u1ecdc m\u1ed9t n\u1eeda th\u00f4ng tin<\/strong> m\u1eb7c d\u00f9 trang ch\u1ec9 c\u00f3 <strong>111 t\u1eeb ho\u1eb7c \u00edt h\u01a1n<\/strong>.<\/p>\n\n\n\n<p>Trong t\u1ec7p d\u1eef li\u1ec7u \u0111\u1ea7y \u0111\u1ee7, trang trung b\u00ecnh c\u00f3 593 t\u1eeb. V\u00ec v\u1eady, t\u00ednh theo trung b\u00ecnh, ng\u01b0\u1eddi d\u00f9ng ch\u1ec9 <strong>c\u00f3 th\u1eddi gian \u0111\u1ec3 \u0111\u1ecdc 28%<\/strong> s\u1ed1 t\u1eeb <em>n\u1ebfu<\/em> h\u1ecd d\u00e0nh h\u1ebft th\u1eddi gian cho vi\u1ec7c \u0111\u1ecdc. Nh\u01b0ng th\u1ef1c t\u1ebf (<em>realistically<\/em>) h\u01a1n th\u00ec trung b\u00ecnh ng\u01b0\u1eddi d\u00f9ng s\u1ebd ch\u1ec9 \u0111\u1ecdc <strong>20% v\u0103n b\u1ea3n<\/strong> m\u00e0 th\u00f4i.<\/p>\n\n\n\n<p>\u0110\u1ec3 v\u00ed d\u1ee5 v\u1ec1 s\u1ed1 t\u1eeb tr\u00ean c\u00e1c trang \u0111a d\u1ea1ng nh\u01b0 th\u1ebf n\u00e0o, \u0111\u00e2y l\u00e0 t\u1ed5ng s\u1ed1 t\u1eeb cho m\u1ed9t s\u1ed1 b\u00e0i vi\u1ebft ph\u1ed5 bi\u1ebfn c\u1ee7a t\u00f4i (<em>\u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 b\u00e0i vi\u1ebft c\u1ee7a t\u00e1c gi\u1ea3, \u00f4ng mu\u1ed1n xem s\u1ed1 t\u1eeb c\u1ee7a n\u00f3<\/em>):<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>Blah-Blah Text: Keep, Cut, or Kill?<\/td><td>902<\/td><\/tr><tr><td><strong>This column<\/strong><\/td><td>1068<\/td><\/tr><tr><td>Passive Voice Is Redeemed For Web Headings<\/td><td>1079<\/td><\/tr><tr><td>Change the Color of Visited Links<\/td><td>1209<\/td><\/tr><tr><td>Intranet Information Architecture (IA)<\/td><td>1991<\/td><\/tr><tr><td>Top-10 Application-Design Mistakes<\/td><td>3572<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>R\u00f5 r\u00e0ng, h\u1ea7u h\u1ebft c\u00e1c b\u00e0i vi\u1ebft c\u1ee7a t\u00f4i ng\u01b0\u1eddi \u0111\u1ecdc trung b\u00ecnh c\u0169ng kh\u00f4ng \u0111\u1ecdc n\u00f3 nhi\u1ec1u. Nh\u01b0ng t\u00f4i \u00fd th\u1ee9c v\u00e0o vi\u1ec7c h\u01b0\u1edbng \u0111\u1ebfn m\u1ed9t nh\u00f3m nh\u1ecf \u0111\u1ed9c gi\u1ea3 \u01b0u t\u00fa (<em>elite readership<\/em>) v\u1edbi cam k\u1ebft v\u1eefng ch\u1eafc v\u1ec1 t\u00ednh kh\u1ea3 d\u1ee5ng. <\/p>\n\n\n\n<p>N\u1ebfu b\u1ea1n nh\u1eafm \u0111\u1ebfn \u0111\u1ed1i t\u01b0\u1ee3ng kh\u00e1ch h\u00e0ng r\u1ed9ng l\u1edbn&nbsp;ho\u1eb7c c\u00f3 chu k\u1ef3 b\u00e1n h\u00e0ng (<em>sales cycles<\/em>) ng\u1eafn h\u01a1n 5 n\u0103m, s\u1ebd kh\u00f4n ngoan h\u01a1n n\u1ebfu b\u1ea1n c\u00f3 s\u1ed1 t\u1eeb \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t nghi\u00eam ng\u1eb7t theo xu h\u01b0\u1edbng t\u1ed1i gi\u1ea3n v\u1ec1 s\u1ed1 l\u01b0\u1ee3ng.<\/p>\n\n\n\n<p>Ch\u00fa th\u00edch c\u1ee7a ng\u01b0\u1eddi d\u1ecbch: ch\u00fang ta hi\u1ec3u t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c <a href=\"https:\/\/kiencang.net\/viet-kieu-kim-tu-thap-lon-nguoc\/\">vi\u1ebft theo m\u00f4 h\u00ecnh kim t\u1ef1 th\u00e1p l\u1ed9n ng\u01b0\u1ee3c <\/a>quan tr\u1ecdng nh\u01b0 th\u1ebf n\u00e0o v\u1edbi th\u00f3i quen \u0111\u1ecdc \u00edt v\u00e0 \u0111\u1ecdc l\u01b0\u1edbt c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/p>\n\n\n\n<p><em>(D\u1ecbch t\u1eeb b\u00e0i vi\u1ebft\u00a0<a href=\"https:\/\/www.nngroup.com\/articles\/how-little-do-users-read\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">How Little Do Users Read? by JAKOB NIELSEN<\/a> on May 6, 2008\u00a0\u2013 Nielsen Norman Group)<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u00f3m t\u1eaft: Trung b\u00ecnh tr\u00ean trang web, ng\u01b0\u1eddi d\u00f9ng b\u1ecf th\u1eddi gian \u0111\u1ec3 \u0111\u1ecdc nhi\u1ec1u nh\u1ea5t l\u00e0 28% s\u1ed1 t\u1eeb; c\u00f2n h\u1ea7u h\u1ebft l\u00e0 20%. Ch\u00fang t\u00f4i bi\u1ebft \u0111i\u1ec1u n\u00e0y t\u1eeb nghi\u00ean c\u1ee9u \u0111\u1ea7u ti\u00ean v\u1ec1 c\u00e1ch ng\u01b0\u1eddi d\u00f9ng \u0111\u1ecdc tr\u00ean Web cho th\u1ea5y l\u00e0 h\u1ecd th\u01b0\u1eddng&nbsp;kh\u00f4ng \u0111\u1ecdc nhi\u1ec1u. \u0110\u1ecdc l\u01b0\u1edbt&nbsp;(Scanning) v\u0103n b\u1ea3n l\u00e0 h\u00e0nh &hellip;<\/p>\n","protected":false},"author":1,"featured_media":5942,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[104],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Ng\u01b0\u1eddi d\u00f9ng tr\u1ef1c tuy\u1ebfn \u0111\u1ecdc \u00edt nh\u01b0 th\u1ebf n\u00e0o? &#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\/nguoi-dung-truc-tuyen-doc-nhu-nao\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ng\u01b0\u1eddi d\u00f9ng tr\u1ef1c tuy\u1ebfn \u0111\u1ecdc \u00edt nh\u01b0 th\u1ebf n\u00e0o? &#8226; Ki\u1ebfn c\u00e0ng\" \/>\n<meta property=\"og:description\" content=\"T\u00f3m t\u1eaft: Trung b\u00ecnh tr\u00ean trang web, ng\u01b0\u1eddi d\u00f9ng b\u1ecf th\u1eddi gian \u0111\u1ec3 \u0111\u1ecdc nhi\u1ec1u nh\u1ea5t l\u00e0 28% s\u1ed1 t\u1eeb; c\u00f2n h\u1ea7u h\u1ebft l\u00e0 20%. Ch\u00fang t\u00f4i bi\u1ebft \u0111i\u1ec1u n\u00e0y t\u1eeb nghi\u00ean c\u1ee9u \u0111\u1ea7u ti\u00ean v\u1ec1 c\u00e1ch ng\u01b0\u1eddi d\u00f9ng \u0111\u1ecdc tr\u00ean Web cho th\u1ea5y l\u00e0 h\u1ecd th\u01b0\u1eddng&nbsp;kh\u00f4ng \u0111\u1ecdc nhi\u1ec1u. \u0110\u1ecdc l\u01b0\u1edbt&nbsp;(Scanning) v\u0103n b\u1ea3n l\u00e0 h\u00e0nh &hellip;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/kiencang.net\/nguoi-dung-truc-tuyen-doc-nhu-nao\/\" \/>\n<meta property=\"og:site_name\" content=\"Ki\u1ebfn c\u00e0ng\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/anhducnguyen87\/\" \/>\n<meta property=\"article:published_time\" content=\"2021-11-21T19:34:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-07-23T11:30:30+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/kiencang.net\/wp-content\/uploads\/2017\/05\/doc-online.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"640\" \/>\n\t<meta property=\"og:image:height\" content=\"426\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Nguy\u1ec5n \u0110\u1ee9c Anh\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"Nguy\u1ec5n \u0110\u1ee9c Anh\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 ph\u00fat\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Ng\u01b0\u1eddi d\u00f9ng tr\u1ef1c tuy\u1ebfn \u0111\u1ecdc \u00edt nh\u01b0 th\u1ebf n\u00e0o? &#8226; Ki\u1ebfn c\u00e0ng","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/kiencang.net\/nguoi-dung-truc-tuyen-doc-nhu-nao\/","og_locale":"vi_VN","og_type":"article","og_title":"Ng\u01b0\u1eddi d\u00f9ng tr\u1ef1c tuy\u1ebfn \u0111\u1ecdc \u00edt nh\u01b0 th\u1ebf n\u00e0o? &#8226; Ki\u1ebfn c\u00e0ng","og_description":"T\u00f3m t\u1eaft: Trung b\u00ecnh tr\u00ean trang web, ng\u01b0\u1eddi d\u00f9ng b\u1ecf th\u1eddi gian \u0111\u1ec3 \u0111\u1ecdc nhi\u1ec1u nh\u1ea5t l\u00e0 28% s\u1ed1 t\u1eeb; c\u00f2n h\u1ea7u h\u1ebft l\u00e0 20%. 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