yahoo.co.jp Yahoo! JAPAN

Mobile Usability

96/100

Good

Mobile Speed

43/100

Bad

Last tested: 2017-08-27

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yahoo.co.jp Mobile Usability: 96/100
yahoo.co.jp 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 487 CSS pixels wide, but the viewport is only 412 CSS pixels wide. The following elements fall outside the viewport:
The element <div class="Icon Icon--nav…flickNav--next">次のカテゴリへ戻る</div> 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 <div id="stream">すべてニュース話題芸能スポー…ゴリへ戻る次のカテゴリへ戻る</div> is close to 1 other tap targets.
The tap target <a href="http://m.yahoo.co.jp">このページのトップへ</a> is close to 2 other tap targets.
The tap target <div id="sideMenu">メニューを閉じるYahoo!…(C)Yahoo Japan</div> is close to 1 other tap targets.
yahoo.co.jp Mobile Speed: 43/100
yahoo.co.jp Mobile Speed Test Quick Overview

Avoid landing page redirects

Your page has 4 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.
http://yahoo.co.jp/
http://www.yahoo.co.jp/
https://www.yahoo.co.jp/
http://m.yahoo.co.jp/
https://m.yahoo.co.jp/
Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 1 blocking CSS resources. This causes a delay in rendering your page.
Optimize CSS Delivery of the following:
https://s.yimg.jp/images/mtop/5.2.4/styles/top.css
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:
https://s.yimg.jp/images/listing/tool/yads/yads-stream-conf-top_smp.js?3 (2.6 minutes)
https://s.yimg.jp/images/approach/jslib/clear.gif?…gcallback1494239596457 (3.5 minutes)
https://s.yimg.jp/images/approach/jslib/deeplink-1.4.3.js (6.1 minutes)
https://s.yimg.jp/images/mtop/5.2.4/scripts/Main.bundle.js (6.1 minutes)
https://s.yimg.jp/c/icon/s/bsc/2.0/weather80.png (6.3 minutes)
https://s.yimg.jp/c/icon/s/bsc/2.0/shopping80.png (6.6 minutes)
https://s.yimg.jp/c/icon/s/bsc/2.0/finance80.png (6.6 minutes)
https://s.yimg.jp/images/mtop/5.2.4/fonts/icon.woff (7.1 minutes)
https://s.yimg.jp/images/mtop/evt/sakura2017/omotenashi_sakura_white.png (7.1 minutes)
https://s.yimg.jp/images/mtop/evt/sakura2017/omotenashi_sake.png (7.3 minutes)
https://s.yimg.jp/images/listing/tool/stream/rappie_stream-1.8.0.js (7.3 minutes)
https://s.yimg.jp/c/icon/s/bsc/2.0/fortune80.png (7.3 minutes)
https://s.yimg.jp/images/listing/tool/yads/impl/ya…ream-lib.js?2017050801 (7.6 minutes)
https://s.yimg.jp/images/mtop/evt/sakura2017/omotenashi_dango.png (8 minutes)
https://s.yimg.jp/c/icon/s/bsc/2.0/transit80.png (8.1 minutes)
https://s.yimg.jp/images/mtop/5.2.4/styles/top.css (8.2 minutes)
https://s.yimg.jp/images/listing/tool/yads/impl/ya…-top_smp.js?2017050801 (8.5 minutes)
https://s.yimg.jp/images/login/sp/js/login_promo/1.1.8/login_promo-min.js (8.6 minutes)
https://s.yimg.jp/images/ds/ult/toppage/rapidjp-1.0.0.js (8.6 minutes)
https://s.yimg.jp/images/mtop/banner/rsab/bg/rsab_bg8.png (8.7 minutes)
https://s.yimg.jp/images/mtop/evt/sakura2017/omotenashi_sakura_red.png (8.7 minutes)
https://s.yimg.jp/c/icon/s/bsc/2.0/sports80.png (8.9 minutes)
https://s.yimg.jp/c/icon/s/bsc/2.0/mail80.png (10 minutes)
https://s.yimg.jp/images/listing/tool/yads/yads-stream-lib.js?3 (10 minutes)
https://s.yimg.jp/images/mtop/banner/rsab/2.7.5/rsab_01.png (10 minutes)
https://s.yimg.jp/images/mtop/etc/icons/taskkill/taskkill80.png (10 minutes)
https://s.yjtag.jp/tag.js (15 minutes)
https://yads.c.yimg.jp/js/yads-async.js (30 minutes)
Optimize images

Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 2.8KiB (21% reduction).
Compressing https://s.yimg.jp/images/mtop/banner/rsab/bg/rsab_bg8.png could save 955B (90% reduction).
Compressing https://giwiz-tpc.c.yimg.jp/q/iwiz-tpc/images/tpc/…000-view-x104-y104.jpg could save 705B (15% reduction).
Compressing https://giwiz-tpc.c.yimg.jp/q/iwiz-tpc/images/tpc/…000-view-x104-y104.jpg could save 652B (19% reduction).
Compressing https://giwiz-tpc.c.yimg.jp/q/iwiz-tpc/images/tpc/…000-view-x104-y104.jpg could save 596B (13% reduction).

yahoo.co.jp Mobile Resources


Total Resources57
Number of Hosts13
Static Resources34
JavaScript Resources12
CSS Resources1

yahoo.co.jp Mobile Resource Breakdown