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Mobile Usability



Mobile Speed



Last tested: 2017-08-27

zing.vn Mobile Usability: 96/100
zing.vn Mobile Usability Test Quick Overview

Size content to viewport

The page content is too wide for the viewport, forcing the user to scroll horizontally. Size the page content to the viewport to provide a better user experience.
The page content is 422 CSS pixels wide, but the viewport is only 412 CSS pixels wide. The following elements fall outside the viewport:
The element <div id="advMasthead"> falls outside the viewport.
Size tap targets appropriately

Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.
The following tap targets are close to other nearby tap targets and may need additional spacing around them.
The tap target <a href="/thoi-su.html" class="thoi-su">Thời sự 97</a> is close to 1 other tap targets.
The tap target <li class="btnAlert notify">Tin nhanh</li> is close to 2 other tap targets.
zing.vn Mobile Speed: 36/100
zing.vn Mobile Speed Test Quick Overview

Optimize images

Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 1.2MiB (71% reduction).
Compressing http://media.adtimaserver.vn/2017/04/80884270-f5d7…-b922-8c768b7a8a54.jpg could save 1.1MiB (85% reduction).
Compressing http://media.adtimaserver.vn/2017/05/57f0a088-5411…39ba516131_300x170.jpg could save 29.8KiB (69% reduction).
Compressing http://znews-photo-td.zadn.vn/w480/Uploaded/zatmrs…8/Phan_Thanh_Hau_2.JPG could save 9.9KiB (32% reduction).
Compressing http://znews-photo-td.zadn.vn/w480/Uploaded/spuoca…KmK1w9ynezo1_500_1.jpg could save 8.6KiB (23% reduction).
Compressing http://znews-photo-td.zadn.vn/w480/Uploaded/lce_zd…017_05_08/_MG_8604.JPG could save 6.2KiB (22% reduction).
Compressing http://znews-photo-td.zadn.vn/w210/Uploaded/mdf_Ne…5_08/175624_CungLe.jpg could save 5.8KiB (36% reduction).
Compressing http://znews-photo-td.zadn.vn/w480/Uploaded/mdf_rexqdd/2017_05_08/99_1.jpg could save 5.6KiB (23% reduction).
Compressing http://znews-photo-td.zadn.vn/w480/Uploaded/inotzq/2017_05_08/hongdao.jpg could save 5.4KiB (24% reduction).
Compressing http://stc.v3.news.zing.vn/wap/css/img/logo_zing@2x.png could save 5.4KiB (30% reduction).
Compressing http://znews-photo-td.zadn.vn/w480/Uploaded/wopthu…_05_08/Untitled1_1.jpg could save 5.3KiB (21% reduction).
Compressing http://znews-photo-td.zadn.vn/w210/Uploaded/bpivpj…lfyeyqem0430611ava.jpg could save 5.1KiB (32% reduction).
Compressing http://znews-photo-td.zadn.vn/w210/Uploaded/kbd_dc…Tai_nan_13_ng_chet.jpg could save 4.9KiB (33% reduction).
Compressing http://znews-photo-td.zadn.vn/w210/Uploaded/xbhunu…08/20170508_110956.jpg could save 4.2KiB (34% reduction).
Compressing http://znews-photo-td.zadn.vn/w480/Uploaded/bpivpj…ze34_w393_h432ava.jpeg could save 4.2KiB (17% reduction).
Compressing http://znews-photo-td.zadn.vn/w210/Uploaded/mdf_rexqdd/2017_05_08/99_1.jpg could save 3.9KiB (35% reduction).
Compressing http://znews-photo-td.zadn.vn/w480/Uploaded/AfsSI/…20FiveIP21K8qtuFml.jpg could save 3.9KiB (19% reduction).
Compressing http://znews-photo-td.zadn.vn/w210/Uploaded/qfrqy/…istrada_95012_copy.JPG could save 3.8KiB (34% reduction).
Compressing http://znews-photo-td.zadn.vn/w210/Uploaded/bpivpj…ze34_w393_h432ava.jpeg could save 3.5KiB (29% reduction).
Compressing http://znews-photo-td.zadn.vn/w210/Uploaded/jaroin…000322181486_thumb.jpg could save 3.4KiB (35% reduction).
Compressing http://znews-photo-td.zadn.vn/w210/Uploaded/spcwvo…VERTER_1_HP_V10ENQ.jpg could save 3.4KiB (33% reduction).
Compressing http://znews-photo-td.zadn.vn/w480/Uploaded/kpcwvo…05_08/Vu_Huy_Hoang.jpg could save 3.2KiB (18% reduction).
Compressing http://znews-photo-td.zadn.vn/w210/Uploaded/rohunuk/2017_05_08/vo_dan.jpg could save 3KiB (27% reduction).
Compressing http://stc.v3.news.zing.vn/wap/css/img/logo_zing_trithuc@2X.png could save 2.9KiB (27% reduction).
Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 2 blocking CSS resources. This causes a delay in rendering your page.
Optimize CSS Delivery of the following:
Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
http://pagead2.googlesyndication.com/pagead/show_ads.js (60 minutes)
https://pagead2.googlesyndication.com/pagead/osd.js (60 minutes)
http://www.google-analytics.com/analytics.js (2 hours)
Minify JavaScript

Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 1.8KiB (28% reduction).
Minifying https://cdn1.mobfox.com/javascriptsdk/ad_sdk.js?cb…de%20end%20--%3E%0D%0A could save 1.8KiB (28% reduction) after compression.

zing.vn Mobile Resources

Total Resources92
Number of Hosts26
Static Resources57
JavaScript Resources30
CSS Resources2

zing.vn Mobile Resource Breakdown