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Lighthouse Desktop

· 0 checks — Desktop Lighthouse audit -- Performance, Accessibility, Best Practices, and SEO category breakdown.
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Detailed Report

Audit breakdown by category with detailed findings.

80

Performance

Insights

Remove large, duplicate JavaScript modules from bundles to reduce unnecessary bytes consumed by network activity.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Polyfills and transforms enable older browsers to use new JavaScript features. However, many aren't necessary for modern browsers. Consider modifying your JavaScript build process to not transpile Baseline features, unless you know you must support older browsers. Learn why most sites can deploy ES6+ code without transpiling

Why this matters

Performance issues directly impact user engagement and conversion rates.

3rd party code can significantly impact load performance. Reduce and defer loading of 3rd party code to prioritize your page's content.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Your first network request is the most important. Reduce its latency by avoiding redirects, ensuring a fast server response, and enabling text compression.

Why this matters

Performance issues directly impact user engagement and conversion rates.

A forced reflow occurs when JavaScript queries geometric properties (such as offsetWidth) after styles have been invalidated by a change to the DOM state. This can result in poor performance. Learn more about forced reflows and possible mitigations.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:source label:Top function call valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]
items: [map[reflowTime:2.894 source:map[column:19400 line:7 type:source-location url:https://d3.sina.com.cn/litong/zhitou/sinaads/release/sinaads.js urlProvider:network]]]
headings: [map[key:source label:Source valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]
items: [map[reflowTime:10.712 source:map[type:text value:[unattributed]]] map[reflowTime:1.624 source:map[column:16532 line:6 type:source-location url:https://d3.sina.com.cn/litong/zhitou/sinaads/release/sinaads.js urlProvider:network]] map[reflowTime:1.27 source:map[column:19038 line:6 type:source-location url:https://d8.sina.com.cn/litong/zhitou/sinaads/release/plus/Media.js urlProvider:network]] map[reflowTime:1.269 source:map[column:51088 line:0 type:source-location url:https://cpro.baidustatic.com/cpro/ui/cm.js urlProvider:network]] map[reflowTime:14.001 source:map[column:8197 line:3 type:source-location url:https://n.sinaimg.cn/ent/js/lib/jquery-1.7.2.js urlProvider:network]]]

Reducing the download time of images can improve the perceived load time of the page and LCP. Learn more about optimizing image size

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLResource SizeEst Savings
div#p00_slide > div.slide01_items > a > img div#p00_slide > div.slide01_items > a > img
/n/news/transform/380/w480h700/20260416/533a-baed91306fcd...235.5 KiB221.9 KiB
div.mod-13 > div > a > img div.mod-13 > div > a > img
/n/news/379/w218h161/20180516/SwMa-harvfht6299629.png/w65...158.9 KiB153.2 KiB
div#p00_slide > div.slide01_items > a > img div#p00_slide > div.slide01_items > a > img
/n/kandian/transform/380/w480h700/20260410/80b7-b3e703c20...165.1 KiB151.4 KiB
黑猫 div.main-nav > div.nav-mod-1 > ul > li
lupic.cdn.bcebos.com/20220708/3086960542_14_561_400.jpg73.6 KiB72.5 KiB
安徽采摘春茶 ul.list-a > div.uni-blk-bt > a.uni-blk-pic > span
lupic.cdn.bcebos.com/20191203/3016705936_14.jpg71.6 KiB70.6 KiB
div.data-textarea-wrap > div.uni-blk-bt > a.uni-blk-pic > img div.data-textarea-wrap > div.uni-blk-bt > a.uni-blk-pic > img
/n/finance/transform/525/w315h210/20250812/fe86-f2f727136...48.5 KiB47.3 KiB
ul.list-a > div.uni-blk-bt > a.uni-blk-pic > img ul.list-a > div.uni-blk-bt > a.uni-blk-pic > img
/n/news/transform/525/w315h210/20260416/3bae-b0269c7a0bfa...47.7 KiB46.5 KiB
div#video_one > div.uni-blk-bt > a.uni-blk-pic > img div#video_one > div.uni-blk-bt > a.uni-blk-pic > img
/n/sinakd20260416ac/321/w480h641/20260416/e372-78b704ea4c...45.8 KiB44.2 KiB
div.data-textarea-wrap > div.uni-blk-bt > a.uni-blk-pic > img div.data-textarea-wrap > div.uni-blk-bt > a.uni-blk-pic > img
/n/finance/transform/579/w1307h872/20250812/0af8-f310dec4...43.4 KiB42.2 KiB
ul.list-a > div.uni-blk-bt > a.uni-blk-pic > img ul.list-a > div.uni-blk-bt > a.uni-blk-pic > img
/n/news/transform/525/w315h210/20260416/5323-b62233a3e4d1...42.3 KiB41.1 KiB
div#video_one > div.uni-blk-bt > a.uni-blk-pic > img div#video_one > div.uni-blk-bt > a.uni-blk-pic > img
/n/sinakd20122/320/w480h640/20260414/a83b-764f01cd8d81c5b...38.0 KiB36.5 KiB
div.data-textarea-wrap > div.uni-blk-bt > a.uni-blk-pic > img div.data-textarea-wrap > div.uni-blk-bt > a.uni-blk-pic > img
/n/finance/transform/525/w315h210/20250812/5ae5-54a6829ad...36.5 KiB35.3 KiB
div#p00_slide > div.slide01_items > a > img div#p00_slide > div.slide01_items > a > img
/finance/transform/380/w480h700/20260414/8892-86bb0d199ce...46.9 KiB35.2 KiB
ul.list-a > div.uni-blk-bt > a.uni-blk-pic > img ul.list-a > div.uni-blk-bt > a.uni-blk-pic > img
/n/news/transform/525/w315h210/20260416/a3cf-72c30400d650...30.5 KiB29.3 KiB
视频 div.main-nav > div.nav-mod-1 > ul > li
lupic.cdn.bcebos.com/20210629/13522649_14.jpg24.3 KiB23.2 KiB
淘宝 div.part-a-l > div#SI_EDU_AD > div#TAB-NAV > span.last-index
lupic.cdn.bcebos.com/20210629/6402928_14.jpg22.9 KiB21.8 KiB
lupic.cdn.bcebos.com/20210629/2001505025_14.jpg19.2 KiB18.1 KiB
政务 div.main-nav > div.nav-mod-1 > ul > li
lupic.cdn.bcebos.com/20210629/2007104348_14.jpg14.2 KiB13.4 KiB
城市 div.main-nav > div.nav-mod-1 > ul > li
lupic.cdn.bcebos.com/20210629/29978931_14.jpg12.4 KiB11.4 KiB
div > div > div.nwsu-item > a.nwsu4 div > div > div.nwsu-item > a.nwsu4
k.sinaimg.cn/n/www/index/12377app.png/h50l50t1q806f6.jpg11.7 KiB10.6 KiB
div > div > div.nwsu-item > a.nwsu1 div > div > div.nwsu-item > a.nwsu1
/n/default/1e20c22f/20170314/WangShangYouHaiXinXiJuBaoZhu...8.1 KiB7.0 KiB
body > div.top-search-wrap > div.top-search-frame > a.sina-logo body > div.top-search-wrap > div.top-search-frame > a.sina-logo
i1.sinaimg.cn/dy/deco/2013/0329/logo/LOGO_1x.png7.5 KiB6.7 KiB
div.part-a-l > div.mod-02 > a > img#heimaogif div.part-a-l > div.mod-02 > a > img#heimaogif
n.sinaimg.cn/finance/blackcat/pc/blink.gif12.7 KiB6.5 KiB
body > div.top-search-wrap > div.top-search-frame > a.hxjzg body > div.top-search-wrap > div.top-search-frame > a.hxjzg
i0.sinaimg.cn/home/2014/1030/hxjzg103.jpg6.9 KiB6.0 KiB
div#video_one > div.uni-blk-bt > a.uni-blk-pic > i.play-icon div#video_one > div.uni-blk-bt > a.uni-blk-pic > i.play-icon
k.sinaimg.cn/n/www/index/play_icon_normal.png/860.png4.4 KiB4.3 KiB
邮箱 div.main-nav > div.nav-mod-1 > ul.nav-out > li
lupic.cdn.bcebos.com/20210629/2006865399_14.jpg4.8 KiB4.3 KiB
二手房 div.main-nav > div.nav-mod-1 > ul > li.w-48-c
t12.baidu.com/it/u1=3387355286&u2=3660960064&fm=764.6 KiB4.1 KiB

Each subpart has specific improvement strategies. Ideally, most of the LCP time should be spent on loading the resources, not within delays.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:label label:Subpart valueType:text] map[key:duration label:Duration valueType:ms]]
items: [map[duration:669.828 label:Time to first byte subpart:timeToFirstByte] map[duration:1904.085 label:Resource load delay subpart:resourceLoadDelay] map[duration:8.973 label:Resource load duration subpart:resourceLoadDuration] map[duration:93.093 label:Element render delay subpart:elementRenderDelay]]
lhId: page-18-IMG
nodeLabel: div.part-a-l > div.mod-02 > a > img#heimaogif
path: 2,HTML,1,BODY,45,DIV,15,DIV,0,DIV,6,DIV,1,A,0,IMG
selector: div.part-a-l > div.mod-02 > a > img#heimaogif
snippet: <img id="heimaogif" src="//n.sinaimg.cn/finance/blackcat/pc/blink.gif" style="position: absolute; left: -70px; z-index: 1000; top: 0px; width: 70px;">

Optimize LCP by making the LCP image discoverable from the HTML immediately, and avoiding lazy-loading

Why this matters

Performance issues directly impact user engagement and conversion rates.

lhId: page-18-IMG
nodeLabel: div.part-a-l > div.mod-02 > a > img#heimaogif
path: 2,HTML,1,BODY,45,DIV,15,DIV,0,DIV,6,DIV,1,A,0,IMG
selector: div.part-a-l > div.mod-02 > a > img#heimaogif
snippet: <img id="heimaogif" src="//n.sinaimg.cn/finance/blackcat/pc/blink.gif" style="position: absolute; left: -70px; z-index: 1000; top: 0px; width: 70px;">

Avoid chaining critical requests by reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.

Why this matters

Performance issues directly impact user engagement and conversion rates.

description: [preconnect](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/) hints help the browser establish a connection earlier in the page load, saving time when the first request for that origin is made. The following are the origins that the page preconnected to.
title: Preconnected origins
value: no origins were preconnected
description: Add [preconnect](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/) hints to your most important origins, but try to use no more than 4.
title: Preconnect candidates
value: No additional origins are good candidates for preconnecting

Requests are blocking the page's initial render, which may delay LCP. Deferring or inlining can move these network requests out of the critical path.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLTransfer SizeDuration
d3.sina.com.cn/litong/zhitou/sinaads/release/sinaads.js76.6 KiB356 ms
news.sina.com.cn/js/pctianyi/sima.js2.0 KiB215 ms
d3.sina.com.cn/litong/zhitou/sinaads/demo/wanglt/sinaIndexAD/edu_ad_change.js6.9 KiB
n.sinaimg.cn/ent/js/lib/jquery-1.7.2.js93.7 KiB369 ms
www.sina.com.cn/css/index_style.css?v=2.421.6 KiB

A long cache lifetime can speed up repeat visits to your page. Learn more about caching.

Why this matters

Performance issues directly impact user engagement and conversion rates.

RequestCache TTLTransfer Size
lupic.cdn.bcebos.com/20260313/913_14.png244744.0 s3.2 MiB
lupic.cdn.bcebos.com/20230206/3089763619_14_1024_732.jpg26366.0 s141.1 KiB
/house/photo/42-1-Ya2zxeJBA1KE89d9QgfFyLPmNGrGPnIThzkZF7Q...0.0 ms82.4 KiB
lupic.cdn.bcebos.com/20220708/3086960542_14_561_400.jpg23655.0 s74.2 KiB
lupic.cdn.bcebos.com/2025071914/3100001396_14.jpeg115755.0 s125.7 KiB
lupic.cdn.bcebos.com/2025071614/3099957258_14.jpeg27037.0 s75.1 KiB
lupic.cdn.bcebos.com/20200412/3028419837_14_737_526.jpg52241.0 s91.3 KiB
lupic.cdn.bcebos.com/20200412/3066714451_14_747_533.jpg72281.0 s88.3 KiB
lupic.cdn.bcebos.com/2025090915/3100493481_14.jpeg50365.0 s76.8 KiB
news.sina.com.cn/sso/outlogin_layer.js120.0 s37.2 KiB
i.sso.sina.com.cn/images/login/weibo_how_ot.png120.0 s36.2 KiB
lupic.cdn.bcebos.com/20200412/3038899544_14_747_533.jpg142956.0 s95.2 KiB
cpro.baidustatic.com/cpro/ui/cm.js3600.0 s38.9 KiB
cpro.baidustatic.com/cpro/ui/cm.js3600.0 s38.9 KiB
www.sina.com.cn/edublk/college_json.js120.0 s29.6 KiB
lupic.cdn.bcebos.com/20191203/3016705936_14.jpg109983.0 s72.2 KiB
www.sina.com.cn/css/index_style.css?v=2.4120.0 s21.6 KiB
lupic.cdn.bcebos.com/20210629/26681190_14.jpg55025.0 s44.6 KiB
lupic.cdn.bcebos.com/20210629/2002028313_14.jpg67738.0 s35.6 KiB
i.sso.sina.com.cn/js/ssologin.js120.0 s15.3 KiB
lupic.cdn.bcebos.com/20210629/3000014667_14.jpg145503.0 s40.6 KiB
lupic.cdn.bcebos.com/20210629/817156_14.jpg60710.0 s28.8 KiB
lupic.cdn.bcebos.com/20210629/13522649_14.jpg53671.0 s24.9 KiB
lupic.cdn.bcebos.com/20200412/3059652347_14_800_572.jpg244419.0 s53.9 KiB
/newimpress?rotate_count=18&TIMESTAMP=mo1rjoxq&referral=h...0.0 ms11.7 KiB
lupic.cdn.bcebos.com/20210629/207856_14.jpg63056.0 s24.9 KiB
i.sso.sina.com.cn/images/login/td.png120.0 s11.4 KiB
lupic.cdn.bcebos.com/20210629/9987951_14.jpg145246.0 s33.7 KiB
/esf/photo/38-1-N57JgHJaodwHuqpvZ826ku0IySUdcYsyjrkYOlCIF...0.0 ms10.6 KiB
lupic.cdn.bcebos.com/20191203/3019293519_14.jpg74490.0 s23.9 KiB
news.sina.com.cn/sso/user_panel_homepage.js120.0 s9.7 KiB
lupic.cdn.bcebos.com/20240607113630/3095586942_14_1024_732.jpg110533.0 s25.4 KiB
lupic.cdn.bcebos.com/20220722/3087301570_14_561_400.jpg60709.0 s17.1 KiB
lupic.cdn.bcebos.com/20210629/6402928_14.jpg150562.0 s23.5 KiB
lupic.cdn.bcebos.com/20210629/2000132219_14.jpg70077.0 s17.4 KiB
lupic.cdn.bcebos.com/20210629/381700_14.jpg251495.0 s35.8 KiB
lupic.cdn.bcebos.com/20210629/2000053009_14.jpg187870.0 s23.5 KiB
lupic.cdn.bcebos.com/20210629/6461768_14.jpg236877.0 s28.1 KiB
lupic.cdn.bcebos.com/20210629/2001505025_14.jpg153537.0 s19.7 KiB
lupic.cdn.bcebos.com/20210629/9861137_14.jpg56410.0 s13.3 KiB
lupic.cdn.bcebos.com/20210629/749076_14.jpg245351.0 s28.5 KiB
lupic.cdn.bcebos.com/20220601/3086844541_14_600_429.jpg65052.0 s13.3 KiB
lupic.cdn.bcebos.com/20210629/10512828_14.jpg223846.0 s23.6 KiB
lupic.cdn.bcebos.com/20220708/3087015167_14_600_416.jpg195819.0 s18.8 KiB
cpro.baidustatic.com/js/logo/js/logo.js3600.0 s6.3 KiB
auto.sina.com.cn/sinaauto/2016/sinahome/chooseCars.js120.0 s4.9 KiB
i.sso.sina.com.cn/js/qrcode_login.js120.0 s4.7 KiB
/house/photo/46-1-A9qv6gZ4yLwNDqQIu1gwyMLUkx0d6snPaGRx4j0...0.0 ms4.6 KiB
/newimpress?rotate_count=18&TIMESTAMP=mo1rjoxq&referral=h...0.0 ms4.6 KiB
finance.sina.com.cn/basejs/suggestServer.js120.0 s4.6 KiB
/newimpress?rotate_count=18&TIMESTAMP=mo1rjoxq&referral=h...0.0 ms4.5 KiB
/newimpress?rotate_count=18&TIMESTAMP=mo1rjoxq&referral=h...0.0 ms4.5 KiB
/newimpress?rotate_count=18&TIMESTAMP=mo1rjoxq&referral=h...0.0 ms4.5 KiB
/newimpress?rotate_count=18&TIMESTAMP=mo1rjoxq&referral=h...0.0 ms4.5 KiB
/newimpress?rotate_count=18&TIMESTAMP=mo1rjoxq&referral=h...0.0 ms4.5 KiB
/newimpress?rotate_count=18&TIMESTAMP=mo1rjoxq&referral=h...0.0 ms4.5 KiB
/newimpress?rotate_count=18&TIMESTAMP=mo1rjoxq&referral=h...0.0 ms4.5 KiB
/newimpress?rotate_count=18&TIMESTAMP=mo1rjoxq&referral=h...0.0 ms4.5 KiB
/newimpress?rotate_count=18&TIMESTAMP=mo1rjoxq&referral=h...0.0 ms4.4 KiB
/newimpress?rotate_count=18&TIMESTAMP=mo1rjoxq&referral=h...0.0 ms4.4 KiB
/newimpress?rotate_count=18&TIMESTAMP=mo1rjoxq&referral=h...0.0 ms4.4 KiB
/newimpress?rotate_count=18&TIMESTAMP=mo1rjoxq&referral=h...0.0 ms4.4 KiB
/newimpress?rotate_count=18&TIMESTAMP=mo1rjoxq&referral=h...0.0 ms4.4 KiB
/newimpress?rotate_count=18&TIMESTAMP=mo1rjoxq&referral=h...0.0 ms4.4 KiB
lupic.cdn.bcebos.com/20220708/3086963866_14_524_374.jpg243596.0 s20.0 KiB
ddd.gongkaozhu.cn/js/logo/js/logo.js14400.0 s6.4 KiB
i.sso.sina.com.cn/images/login/pre_loading.gif120.0 s4.3 KiB
lupic.cdn.bcebos.com/20210629/29978931_14.jpg162035.0 s13.0 KiB
lupic.cdn.bcebos.com/20220708/3086991179_14_600_420.jpg166102.0 s12.1 KiB
lupic.cdn.bcebos.com/20210629/2007104348_14.jpg240493.0 s14.7 KiB
lupic.cdn.bcebos.com/20210629/2005422564_14.jpg242079.0 s13.1 KiB
tousu.sina.com.cn/api/int_prom/get?channel=5&callback=heimaosuccess&dpc=190.0 s2.7 KiB
lupic.cdn.bcebos.com/20210629/2004930243_14.jpg89166.0 s6.3 KiB
www.sina.com.cn/js/79/2013/0717/fix.js120.0 s2.5 KiB
tech.sina.com.cn/other/src/sinaheimao.js120.0 s2.0 KiB
news.sina.com.cn/js/pctianyi/sima.js120.0 s2.0 KiB
www.sina.com.cn/api/headline.js120.0 s2.0 KiB
finance.sina.com.cn/tougu/profitStar/newprofitStar.js120.0 s1.9 KiB
lupic.cdn.bcebos.com/20210629/2006865399_14.jpg152486.0 s5.4 KiB
/rchm?di=u7011379&uuid=68c78f23baabba77&dri=0&dis=1&dai=4...0.0 ms1.6 KiB
/wcrm?di=u7011413&uuid=6627012fb98841a3&dri=0&dis=1&dai=1...0.0 ms1.6 KiB
/dchm?di=u7005407&uuid=ba18fc06f0c78475&dri=0&dis=1&dai=1...0.0 ms1.5 KiB
/ecem?di=u7005405&uuid=e9ac0c79b2fe3b06&dri=0&dis=1&dai=1...0.0 ms1.5 KiB
/rctm?di=u7005407&uuid=4cae83cc0187e333&dri=2&dis=1&dai=2...0.0 ms1.5 KiB
/rctm?di=u7005408&uuid=9b004534adf22382&dri=2&dis=1&dai=2...0.0 ms1.5 KiB
/ecem?di=u7005403&uuid=d6ea91bb93c31296&dri=0&dis=1&dai=1...0.0 ms1.5 KiB
/ucum?di=u7005407&uuid=a611d82e91b6d79f&dri=1&dis=1&dai=1...0.0 ms1.5 KiB
/dchm?di=u7005408&uuid=0a0a21e6a8107231&dri=0&dis=1&dai=2...0.0 ms1.5 KiB
/ucum?di=u7005409&uuid=d36e2081006eef2f&dri=2&dis=1&dai=2...0.0 ms1.5 KiB
/rczm?di=u7003942&uuid=a2b583411aa8f32c&dri=0&dis=1&dai=2...0.0 ms1.5 KiB
/rczm?di=u7005410&uuid=99ac066632dc7998&dri=0&dis=1&dai=1...0.0 ms1.5 KiB
/ecem?di=u7005404&uuid=6352cd55442933df&dri=0&dis=1&dai=1...0.0 ms1.5 KiB
/rcgm?di=u7005410&uuid=16f3e2390bb1d9db&dri=1&dis=1&dai=2...0.0 ms1.5 KiB
/rcgm?di=u7005409&uuid=3f94f8313b89cf4e&dri=0&dis=1&dai=1...0.0 ms1.5 KiB
/rctm?di=u7005406&uuid=f88305864379eefc&dri=0&dis=1&dai=1...0.0 ms1.5 KiB
/dchm?di=u7005409&uuid=e82b4024e2a979cc&dri=1&dis=1&dai=2...0.0 ms1.5 KiB
/ucum?di=u7005408&uuid=0dcce550f7495531&dri=1&dis=1&dai=2...0.0 ms1.5 KiB
/rczm?di=u7003941&uuid=7e8ad1cfd5321351&dri=0&dis=1&dai=2...0.0 ms1.5 KiB
/rcgm?di=u7003941&uuid=bcf9b03335d12a8b&dri=1&dis=1&dai=2...0.0 ms1.5 KiB
ccd.gongkaozhu.cn/common/f-abggpb/resource/s-c.js86400.0 s3.6 KiB
/wcrm?di=u7011401&uuid=d4e4d448e2606dc5&dri=0&dis=1&dai=3...0.0 ms1.4 KiB
/ecom?di=u7011380&uuid=ec129fb61da51be3&dri=0&dis=1&dai=2...0.0 ms1.4 KiB
/ycvm?di=u7011411&uuid=3f7c8bb78a0f70f2&dri=0&dis=1&dai=1...0.0 ms1.4 KiB
/hccm?di=u7011404&uuid=bdc61aea9be847cb&dri=0&dis=1&dai=8...0.0 ms1.4 KiB
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HTTP/2 and HTTP/3 offer many benefits over HTTP/1.1, such as multiplexing. Learn more about using modern HTTP.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLProtocol
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/ecom?di=u7011380&uuid=ec129fb61da51be3&dri=0&dis=1&dai=2...http/1.1
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/rchm?di=u7011379&uuid=68c78f23baabba77&dri=0&dis=1&dai=4...http/1.1
/ncmm?di=u7010948&uuid=6ae21330f48f8c9f&dri=0&dis=1&dai=5...http/1.1
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/dcjm?di=u7011382&uuid=7f929698aaf6ddf2&dri=0&dis=1&dai=7...http/1.1
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/kcrm?di=u7011381&uuid=a841a22fb9bca262&dri=0&dis=1&dai=1...http/1.1
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/xcmm?di=u6818869&uuid=45e277aecf1f9cf2&dri=0&dis=11&dai=...http/1.1
hm.baidu.com/hm.js?90c40f528e0b2106bc03da5aadec190fhttp/1.1
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/tchm?conwid=1000&conhei=90&rdid=6818869&dc=3&di=u6818869...http/1.1
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/hccm?conwid=400&conhei=30&rdid=7011404&dc=3&di=u7011404&...http/1.1
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/ecem?di=u7005403&uuid=d6ea91bb93c31296&dri=0&dis=1&dai=1...http/1.1
/dchm?di=u7005407&uuid=ba18fc06f0c78475&dri=0&dis=1&dai=1...http/1.1
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/ucum?di=u7005407&uuid=a611d82e91b6d79f&dri=1&dis=1&dai=1...http/1.1
/rczm?di=u7005410&uuid=99ac066632dc7998&dri=0&dis=1&dai=1...http/1.1
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/adx.php?c=d25pZD1jYzBjMDVhOTkyNTU3YmViAHM9Y2MwYzA1YTk5Mj...http/1.1
/s.php?c=d25pZD00ZGJjYTNhODgyNzFiZWU4AHdpbl9kc3A9NAB0dT11...http/1.1
/se.jpg?type=baiduDomShowMonitor&tuidIndex=u7011413_0&ver...http/1.1
/adx.php?c=d25pZD1lYTFkODllNzk4NjQ2ZjBjAHM9ZWExZDg5ZTc5OD...http/1.1
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/ecem?conwid=300&conhei=250&rdid=7005403&dc=3&di=u7005403...http/1.1
/dchm?conwid=300&conhei=250&rdid=7005407&dc=3&di=u7005407...http/1.1
/hm.gif?hca=C489ECE44CB04FE3&cc=1&ck=1&cl=24-bit&ds=800x6...http/1.1
/ucum?conwid=300&conhei=250&rdid=7005407&dc=3&di=u7005407...http/1.1
/adx.php?c=d25pZD04YTM1OTg0ZjRmNGQ0MGVkAHM9OGEzNTk4NGY0Zj...http/1.1
/xcbm?conwid=1000&conhei=90&rdid=7004321&dc=3&di=u7004321...http/1.1
/bcpm?conwid=120&conhei=600&rdid=6815913&dc=3&di=u6815913...http/1.1
/rczm?conwid=300&conhei=250&rdid=7005410&dc=3&di=u7005410...http/1.1
/ecim?conwid=120&conhei=600&rdid=6815913&dc=3&di=u6815913...http/1.1
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/rctm?di=u7005407&uuid=4cae83cc0187e333&dri=2&dis=1&dai=2...http/1.1
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/ecem?conwid=300&conhei=250&rdid=7005404&dc=3&di=u7005404...http/1.1
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/dchm?conwid=300&conhei=250&rdid=7005408&dc=3&di=u7005408...http/1.1
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/se.jpg?server=rsgo&type=load&styleId=30001&refer=https:/...http/1.1
/se.jpg?server=rsgo&type=load&styleId=30001&refer=https:/...http/1.1
/se.jpg?server=rsgo&type=load&styleId=30001&refer=https:/...http/1.1
/se.jpg?server=rsgo&type=load&styleId=30001&refer=https:/...http/1.1
/adx.php?c=d25pZD05NjU5MjdlNjFkZDdhNzc3AHM9OTY1OTI3ZTYxZG...http/1.1
/adx.php?c=d25pZD1jZDRjNDQ3YmVmNzAxOWVjAHM9Y2Q0YzQ0N2JlZj...http/1.1
/rczm?conwid=300&conhei=250&rdid=7003942&dc=3&di=u7003942...http/1.1
/rcgm?conwid=300&conhei=250&rdid=7005410&dc=3&di=u7005410...http/1.1
/rczm?conwid=300&conhei=250&rdid=7003941&dc=3&di=u7003941...http/1.1
/hm.gif?hca=C489ECE44CB04FE3&cc=1&ck=1&cl=24-bit&ds=800x6...http/1.1
/adx.php?c=d25pZD1hODAyYzYyMWE5YmFiOGJmAHM9YTgwMmM2MjFhOW...http/1.1
/rcgm?conwid=300&conhei=250&rdid=7003941&dc=3&di=u7003941...http/1.1
/adx.php?c=d25pZD05MmE0ZTFiZDljM2VjNmI2AHM9OTJhNGUxYmQ5Yz...http/1.1
/adx.php?c=d25pZD03ZmEzNTg1OTNlMzlkMjUwAHM9N2ZhMzU4NTkzZT...http/1.1
/se.jpg?type=baiduDomShowMonitor&tuidIndex=u7011382_0&ver...http/1.1
/se.jpg?type=baiduDomShowMonitor&tuidIndex=u7011404_0&ver...http/1.1
/rctm?conwid=300&conhei=250&rdid=7005407&dc=3&di=u7005407...http/1.1
/rctm?conwid=300&conhei=250&rdid=7005408&dc=3&di=u7005408...http/1.1
/se.jpg?type=baiduDomShowMonitor&tuidIndex=u7011411_0&ver...http/1.1
/se.jpg?type=baiduDomShowMonitor&tuidIndex=u7011380_0&ver...http/1.1
/se.jpg?type=baiduDomShowMonitor&tuidIndex=u7011401_0&ver...http/1.1
/se.jpg?type=baiduDomShowMonitor&tuidIndex=u7011403_0&ver...http/1.1
/adx.php?c=d25pZD1lNWY4ZTYyNmRhN2JiNDQzAHM9ZTVmOGU2MjZkYT...http/1.1
/adx.php?c=d25pZD1mNDc3NWEzMDExZTk1NGVmAHM9ZjQ3NzVhMzAxMW...http/1.1
/adx.php?c=d25pZD1jODdmMGQyODk2OWU3ZDYxAHM9Yzg3ZjBkMjg5Nj...http/1.1
/hm.gif?hca=C489ECE44CB04FE3&cc=1&ck=1&cl=24-bit&ds=800x6...http/1.1
/adx.php?c=d25pZD00YTRiMjM3MzcxM2VmYzg5AHM9NGE0YjIzNzM3MT...http/1.1
/se.jpg?type=baiduDomShowMonitor&tuidIndex=u7011381_0&ver...http/1.1
/adx.php?c=d25pZD1kZmJiNDM1NzE0YjY1MDI5AHM9ZGZiYjQzNTcxNG...http/1.1
/adx.php?c=d25pZD0zMDQxYzA5YjBlZGU3NzdhAHM9MzA0MWMwOWIwZW...http/1.1
/hm.gif?hca=C489ECE44CB04FE3&cc=1&ck=1&cl=24-bit&ds=800x6...http/1.1
/se.jpg?type=iframeLoadStatus&result=u7011411_0_1_0_0&ver...http/1.1
/se.jpg?type=iframeLoadStatus&result=u7011380_0_1_0_0&ver...http/1.1
/se.jpg?type=iframeLoadStatus&result=u6818869_0_1_0_0&ver...http/1.1
/se.jpg?type=iframeLoadStatus&result=u7011401_0_1_0_0&ver...http/1.1
/se.jpg?type=iframeLoadStatus&result=u7004321_0_1_0_0&ver...http/1.1
/se.jpg?type=iframeLoadStatus&result=u7011379_0_1_0_0&ver...http/1.1
/se.jpg?type=iframeLoadStatus&result=u6815908_0_1_0_0&ver...http/1.1
/se.jpg?type=iframeLoadStatus&result=u7004321_0_1_0_0&ver...http/1.1
/se.jpg?type=iframeLoadStatus&result=u6815908_0_1_0_0&ver...http/1.1
/se.jpg?type=iframeLoadStatus&result=u6818869_0_1_0_0&ver...http/1.1
/se.jpg?type=iframeLoadStatus&result=u7011370_0_1_0_0&ver...http/1.1
/se.jpg?type=iframeLoadStatus&result=u7010948_0_1_0_0&ver...http/1.1
/se.jpg?type=tc&di=u7005406&t1=415&t2=1964&ft=pc&af=0&dis...http/1.1
/se.jpg?type=iframeLoadStatus&result=u7011382_0_1_0_0&ver...http/1.1
/se.jpg?type=iframeLoadStatus&result=u7004321_0_1_0_0&ver...http/1.1
/se.jpg?type=iframeLoadStatus&result=u7011404_0_1_0_0&ver...http/1.1
/se.jpg?type=iframeLoadStatus&result=u7011403_0_1_0_0&ver...http/1.1
/se.jpg?type=iframeLoadStatus&result=u7011381_0_1_0_0&ver...http/1.1
/se.jpg?type=iframeLoadStatus&result=u7011413_0_1_0_0&ver...http/1.1
/se.jpg?type=baiduDomShowMonitor&tuidIndex=u7011379_0&ver...http/1.1
/se.jpg?type=baiduDomShowMonitor&tuidIndex=u6818869_0&ver...http/1.1
/se.jpg?type=baiduDomShowMonitor&tuidIndex=u6815908_0&ver...http/1.1
/se.jpg?type=baiduDomShowMonitor&tuidIndex=u6815908_0&ver...http/1.1
/se.jpg?type=baiduDomShowMonitor&tuidIndex=u7011370_0&ver...http/1.1
/se.jpg?type=baiduDomShowMonitor&tuidIndex=u7004321_0&ver...http/1.1
/se.jpg?type=baiduDomShowMonitor&tuidIndex=u7010948_0&ver...http/1.1
/se.jpg?type=iframeLoadStatus&result=u7005403_0_1_0_0|u70...http/1.1
/se.jpg?type=iframeLoadStatus&result=u7005407_0_1_0_0|u70...http/1.1
/se.jpg?type=baiduDomShowMonitor&tuidIndex=u7004321_0&ver...http/1.1
/se.jpg?type=iframeLoadStatus&result=u7005407_1_1_0_0|u70...http/1.1
/se.jpg?type=iframeLoadStatus&result=u7004321_0_1_0_0&ver...http/1.1
/se.jpg?type=iframeLoadStatus&result=u6815913_0_1_0_0&ver...http/1.1
/se.jpg?type=iframeLoadStatus&result=u7005410_0_1_0_0|u70...http/1.1
/se.jpg?type=iframeLoadStatus&result=u6815913_0_1_0_0&ver...http/1.1
/se.jpg?type=iframeLoadStatus&result=u7005409_0_1_0_0|u70...http/1.1
/se.jpg?type=iframeLoadStatus&result=u7005406_0_1_0_0|u70...http/1.1
/se.jpg?type=baiduDomShowMonitor&tuidIndex=u7005403_0&ver...http/1.1
/se.jpg?type=baiduDomBlockMonitor&slotId=u7005404_0&eleme...http/1.1
/se.jpg?type=baiduDomBlockMonitor&slotId=u7005405_0&eleme...http/1.1
/se.jpg?type=baiduDomShowMonitor&tuidIndex=u6818869_0&ver...http/1.1
/se.jpg?type=baiduDomShowMonitor&tuidIndex=u7005407_0&ver...http/1.1
/se.jpg?type=baiduDomBlockMonitor&slotId=u7005408_0&eleme...http/1.1
/se.jpg?type=baiduDomBlockMonitor&slotId=u7005409_1&eleme...http/1.1
/se.jpg?type=baiduDomShowMonitor&tuidIndex=u7004321_0&ver...http/1.1
/se.jpg?type=baiduDomShowMonitor&tuidIndex=u7005410_0&ver...http/1.1
/se.jpg?type=baiduDomBlockMonitor&slotId=u7003942_0&eleme...http/1.1
/se.jpg?type=baiduDomBlockMonitor&slotId=u7003941_0&eleme...http/1.1
/se.jpg?type=baiduDomShowMonitor&tuidIndex=u7005407_1&ver...http/1.1
/se.jpg?type=baiduDomBlockMonitor&slotId=u7005408_1&eleme...http/1.1
/se.jpg?type=baiduDomBlockMonitor&slotId=u7005409_2&eleme...http/1.1
/se.jpg?type=baiduDomShowMonitor&tuidIndex=u7004321_0&ver...http/1.1
/se.jpg?type=baiduDomShowMonitor&tuidIndex=u6815913_0&ver...http/1.1
/se.jpg?type=baiduDomShowMonitor&tuidIndex=u7005409_0&ver...http/1.1
/se.jpg?type=baiduDomBlockMonitor&slotId=u7005410_1&eleme...http/1.1
/se.jpg?type=baiduDomBlockMonitor&slotId=u7003941_1&eleme...http/1.1
/se.jpg?type=baiduDomShowMonitor&tuidIndex=u6815913_0&ver...http/1.1
/se.jpg?type=baiduDomShowMonitor&tuidIndex=u7005406_0&ver...http/1.1
/se.jpg?type=baiduDomBlockMonitor&slotId=u7005407_2&eleme...http/1.1
/se.jpg?type=baiduDomBlockMonitor&slotId=u7005408_2&eleme...http/1.1

These insights are also available in the Chrome DevTools Performance Panel - record a trace to view more detailed information.

Diagnostics

Minifying JavaScript files can reduce payload sizes and script parse time. Learn how to minify JavaScript.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 40 ms 143.5 KiB
URLTransfer SizeEst Savings
n.sinaimg.cn/index/js/shms2.js?v=20240606179.5 KiB80.6 KiB
n.sinaimg.cn/homepage/js/recommender.js37.4 KiB17.2 KiB
d3.sina.com.cn/litong/zhitou/sinaads/demo/wanglt/sinaIndexAD/sinaAD_slide01.js20.7 KiB8.0 KiB
n.sinaimg.cn/homepage/js/sina_product_tabs.js15.0 KiB6.8 KiB
d8.sina.com.cn/litong/zhitou/wenjing28/js/postMan.js12.9 KiB6.5 KiB
d3.sina.com.cn/litong/zhitou/wenjing28/js/postMan.js12.9 KiB6.5 KiB
n.sinaimg.cn/homepage/toutiaobao.js?85559.2 KiB5.2 KiB
n.sinaimg.cn/homepage/toutiaobaoMedia.js?85518.7 KiB4.1 KiB
d3.sina.com.cn/d1images/sinaads_entry/sinaads_entry_index.js4.5 KiB3.4 KiB
n.sinaimg.cn/www/index/carousel.js5.0 KiB2.8 KiB
inline: var a1=[]; var url_search = …5.2 KiB2.4 KiB

Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. Learn how to reduce unused JavaScript.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 120 ms 702.8 KiB
URLTransfer SizeEst Savings
n.sinaimg.cn/index/js/shms2.js?v=20240606173.4 KiB91.5 KiB
d3.sina.com.cn/litong/zhitou/sinaads/release/sinaads.js75.5 KiB59.7 KiB
n.sinaimg.cn/ent/js/lib/jquery-1.7.2.js92.7 KiB46.3 KiB
n.sinaimg.cn/ent/js/lib/jquery-1.7.2.js92.7 KiB45.3 KiB
d8.sina.com.cn/litong/zhitou/sinaads/release/plus/Media.js46.1 KiB40.9 KiB
d8.sina.com.cn/litong/zhitou/sinaads/release/plus/Media.js46.1 KiB36.6 KiB
d3.sina.com.cn/litong/zhitou/sinaads/release/sinaads.js75.5 KiB28.1 KiB
cpro.baidustatic.com/cpro/ui/cm.js38.5 KiB21.0 KiB
cpro.baidustatic.com/cpro/ui/cm.js38.5 KiB21.0 KiB
cpro.baidustatic.com/cpro/ui/cm.js38.5 KiB21.0 KiB
cpro.baidustatic.com/cpro/ui/cm.js38.5 KiB21.0 KiB
cpro.baidustatic.com/cpro/ui/cm.js38.5 KiB21.0 KiB
cpro.baidustatic.com/cpro/ui/cm.js38.5 KiB21.0 KiB
cpro.baidustatic.com/cpro/ui/cm.js38.5 KiB21.0 KiB
cpro.baidustatic.com/cpro/ui/cm.js38.5 KiB21.0 KiB
cpro.baidustatic.com/cpro/ui/cm.js38.5 KiB21.0 KiB
cpro.baidustatic.com/cpro/ui/cm.js38.5 KiB21.0 KiB
cpro.baidustatic.com/cpro/ui/cm.js38.5 KiB20.9 KiB
cpro.baidustatic.com/cpro/ui/cm.js38.5 KiB20.7 KiB
cpro.baidustatic.com/cpro/ui/cm.js38.5 KiB20.7 KiB
cpro.baidustatic.com/cpro/ui/cm.js38.5 KiB20.7 KiB
cpro.baidustatic.com/cpro/ui/cm.js38.5 KiB20.7 KiB
cpro.baidustatic.com/cpro/ui/cm.js38.5 KiB20.6 KiB
cpro.baidustatic.com/cpro/ui/cm.js38.5 KiB20.6 KiB

Many navigations are performed by going back to a previous page, or forwards again. The back/forward cache (bfcache) can speed up these return navigations. Learn more about the bfcache

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failure reasonFailure type
The page has an unload handler in the main frame.Actionable
The page has an unload handler in a sub frame.Actionable

Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. Learn how to reduce unused CSS.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 0.0 ms 14.6 KiB
URLTransfer SizeEst Savings
www.sina.com.cn/css/index_style.css?v=2.421.1 KiB14.6 KiB

Large network payloads cost users real money and are highly correlated with long load times. Learn how to reduce payload sizes.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLTransfer Size
lupic.cdn.bcebos.com/20260313/913_14.png3.2 MiB
/n/baby/transform/380/w480h700/20260410/0dc4-2f718e946c49...324.2 KiB
/n/news/transform/380/w480h700/20260416/533a-baed91306fcd...236.3 KiB
n.sinaimg.cn/index/js/shms2.js?v=20240606180.6 KiB
/n/kandian/transform/380/w480h700/20260410/80b7-b3e703c20...165.9 KiB
/n/news/379/w218h161/20180516/SwMa-harvfht6299629.png/w65...159.7 KiB
lupic.cdn.bcebos.com/20230206/3089763619_14_1024_732.jpg141.1 KiB
lupic.cdn.bcebos.com/2025071914/3100001396_14.jpeg125.7 KiB
www.sina.com.cn/114.1 KiB
lupic.cdn.bcebos.com/20200412/3038899544_14_747_533.jpg95.2 KiB

Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to minimize main-thread work

Why this matters

Performance issues directly impact user engagement and conversion rates.

CategoryTime Spent
Script Evaluation1.4 s
Other1.3 s
Style & Layout345 ms
Rendering246 ms
Script Parsing & Compilation175 ms
Parse HTML & CSS105 ms
Garbage Collection42 ms

More information about the performance of your application. These numbers don't directly affect the Performance score.

Redirects introduce additional delays before the page can be loaded. Learn how to avoid page redirects.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 829 ms
URLTime Spent
sina.com.cn/829 ms
www.sina.com.cn/0.0 ms
●Time to Interactive 1.6 s
●Layout shift culprits
●Optimize DOM size
●Font display
●Optimize viewport for mobile
●Max Potential First Input Delay 30 ms
●Minify CSS
●JavaScript execution time 1.0 s
●Image elements have explicit `width` and `height`
●Network Requests
●Network Round Trip Times 290 ms
●Server Backend Latencies 1,320 ms
●Tasks
●Diagnostics
●Metrics
●Screenshot Thumbnails
●Final Screenshot
●Script Treemap Data
●Resources Summary
●Initial server response time was short Root document took 10 ms
●Avoid large layout shifts 15 layout shifts found
○INP breakdown
○User Timing marks and measures
○Avoid long main-thread tasks
○Avoid non-composited animations
35

Accessibility

These checks highlight opportunities to improve the accessibility of your web app. Automatic detection can only detect a subset of issues and does not guarantee the accessibility of your web app, so manual testing is also encouraged.

Contrast

Low-contrast text is difficult or impossible for many users to read. Learn how to provide sufficient color contrast.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
彩票 div#SI_Order_A > div.SC_Order_Fix > div.mod-list-nav > a
英超 div#SI_Order_A > div.SC_Order_Fix > div.mod-list-nav > a
西甲 div#SI_Order_A > div.SC_Order_Fix > div.mod-list-nav > a
欧冠 div#SI_Order_A > div.SC_Order_Fix > div.mod-list-nav > a
中国篮球 div#SI_Order_A > div.SC_Order_Fix > div.mod-list-nav > a
排行 div#SI_Order_A > div.SC_Order_Fix > div.mod-list-nav > a
排行榜 div#SI_Order_B > div.SC_Order_Fix > div.mod-list-nav > a
新能源 div#SI_Order_B > div.SC_Order_Fix > div.mod-list-nav > a
车型库 div#SI_Order_B > div.SC_Order_Fix > div.mod-list-nav > a
新车 div#SI_Order_B > div.SC_Order_Fix > div.mod-list-nav > a
导购 div#SI_Order_B > div.SC_Order_Fix > div.mod-list-nav > a
说车 div#SI_Order_B > div.SC_Order_Fix > div.mod-list-nav > a
试车 div#SI_Order_B > div.SC_Order_Fix > div.mod-list-nav > a
新闻 div#SI_Order_B > div.SC_Order_Fix > div.mod-list-nav > a
解析 div#SI_Order_B > div.SC_Order_Fix > div.mod-list-nav > a
报价 div#SI_Order_B > div.SC_Order_Fix > div.mod-list-nav > a
图片 div#SI_Order_B > div.SC_Order_Fix > div.mod-list-nav > a
div > ul.searchCars > li.search-type > input#J_searchType div > ul.searchCars > li.search-type > input#J_searchType
下载APP div#SI_Order_D > div.SC_Order_Fix > div.mod-list-nav > a.linkRed
股市名博 div#SI_Order_D > div.SC_Order_Fix > div.mod-list-nav > a
外汇牌价 div#SI_Order_D > div.SC_Order_Fix > div.mod-list-nav > a
新股申购 div#SI_Order_D > div.SC_Order_Fix > div.mod-list-nav > a
炒股技巧 div#SI_Order_D > div.SC_Order_Fix > div.mod-list-nav > a
直播 div#SI_Order_D > div.SC_Order_Fix > div.mod-list-nav > a
ETF专区 div#SI_Order_D > div.SC_Order_Fix > div.mod-list-nav > a
消费曝光 div#SI_Order_D > div.SC_Order_Fix > div.mod-list-nav > a
我的书架 div#SI_Order_F > div.SC_Order_Fix > div.mod-list-nav > a
小说 div#SI_Order_F > div.SC_Order_Fix > div.mod-list-nav > a
我读过 div#SI_Order_F > div.SC_Order_Fix > div.mod-list-nav > a
广告 div.mod-13 > div.tit02 > ul.mod44-list > li
情感话题 div#SI_Order_P > div.SC_Order_Fix > div.mod-list-nav > a
我的美力由我定义 div#SI_Order_P > div.SC_Order_Fix > div.mod-list-nav > a
新房 div#SI_Order_O > div.SC_Order_Fix > div.mod-list-nav > a
租房 div#SI_Order_O > div.SC_Order_Fix > div.mod-list-nav > a
地产 div#SI_Order_O > div.SC_Order_Fix > div.mod-list-nav > a
看图装修 div#SI_Order_O > div.SC_Order_Fix > div.mod-list-nav > a
建材 div#SI_Order_O > div.SC_Order_Fix > div.mod-list-nav > a
设计师 div#SI_Order_O > div.SC_Order_Fix > div.mod-list-nav > a
中小学 div#SI_Order_Q > div.SC_Order_Fix > div.mod-list-nav > a
出国 div#SI_Order_Q > div.SC_Order_Fix > div.mod-list-nav > a
国际学校 div#SI_Order_Q > div.SC_Order_Fix > div.mod-list-nav > a
查看更多时尚热点 div.mod22-cont > ul.uni-blk-list02 > li > a.fe661
行业 div#SI_Order_V > div.SC_Order_Fix > div.mod-list-nav > a
景区热度排名 > div > div.travel-hotlist > div#hot_scenic > a.traveltitle
酒店热度排名 > div > div.travel-hotlist > div#hot_hotel > a.traveltitle
点击查看更多实时热点 div > ul.uni-blk-list02 > li > a.fe661
广告营销 div.city-union > div#footer > div.ft-info > a
联系我们 div.city-union > div#footer > div.ft-info > a
诚聘英才 div.city-union > div#footer > div.ft-info > a
SINA English div.city-union > div#footer > div.ft-info > a
注册 div.city-union > div#footer > div.ft-info > a
产品答疑 div.city-union > div#footer > div.ft-info > a
Copyright ©1996-2026 SINA Corporation, All Rights Reserved div.main > div.city-union > div#footer > p.ft-copy
隐私保护　新浪公司　版权所有　京ICP证000007 div.main > div.city-union > div#footer > p
隐私保护 div.city-union > div#footer > p > a
版权所有 div.city-union > div#footer > p > a
京ICP证000007 div.city-union > div#footer > p > a
违法和不良信息举报电话：4001102288　举报邮箱：jubao@vip.sina.com div.main > div.city-union > div#footer > p
jubao@vip.sina.com div.city-union > div#footer > p > a
京网文﹝2023﹞4325-128号　互联网新闻信息服务许可编号：11220180001 北京新浪互联信息服务有限公司 div.main > div.city-union > div#footer > p
互联网新闻信息服务许可编号：11220180001 div.city-union > div#footer > p > a
北京新浪互联信息服务有限公司 div.city-union > div#footer > p > a
(京)网药械信息备字（2024）第 00220 号　京教研[2002]7号　电信业务审批[2001]字第379号 div.main > div.city-union > div#footer > p
增值电信业务经营许可证B1.B2-20090108　增值电信业务经营许可证：京ICP证000007号 div.main > div.city-union > div#footer > p
京ICP证000007号 div.city-union > div#footer > p > a
广播电视节目制作经营许可证（京）字第00828号 甲测资字11110398 京公网安备11000002000016号 div.main > div.city-union > div#footer > p
京公网安备11000002000016号 div.city-union > div#footer > p > a
互联网宗教信息服务许可证：京（2025）0000015 div.main > div.city-union > div#footer > p

These are opportunities to improve the legibility of your content.

Names and labels

Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more about the `alt` attribute.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.part-a-l > div.mod-02 > a > img#heimaogif div.part-a-l > div.mod-02 > a > img#heimaogif
ul.list-a > div.uni-blk-bt > a.uni-blk-pic > img ul.list-a > div.uni-blk-bt > a.uni-blk-pic > img
ul.list-a > div.uni-blk-bt > a.uni-blk-pic > img ul.list-a > div.uni-blk-bt > a.uni-blk-pic > img
ul.list-a > div.uni-blk-bt > a.uni-blk-pic > img ul.list-a > div.uni-blk-bt > a.uni-blk-pic > img
div#video_one > div.uni-blk-bt > a.uni-blk-pic > img div#video_one > div.uni-blk-bt > a.uni-blk-pic > img
div#video_one > div.uni-blk-bt > a.uni-blk-pic > img div#video_one > div.uni-blk-bt > a.uni-blk-pic > img
div > div.uni-blk-bt > a.uni-blk-pic > img div > div.uni-blk-bt > a.uni-blk-pic > img
div > div.uni-blk-bt > a.uni-blk-pic > img div > div.uni-blk-bt > a.uni-blk-pic > img
div.mod-13 > div > a > img div.mod-13 > div > a > img
div#blk_finance_1 > div.uni-blk-bt > a.uni-blk-pic > img div#blk_finance_1 > div.uni-blk-bt > a.uni-blk-pic > img
div > div.uni-blk-bt > a.uni-blk-pic > img div > div.uni-blk-bt > a.uni-blk-pic > img
div#SI_Scroll_Swrap > div.ed-pic-item > a > img div#SI_Scroll_Swrap > div.ed-pic-item > a > img
div > div.uni-blk-bt > a.uni-blk-pic > img div > div.uni-blk-bt > a.uni-blk-pic > img
div.data-textarea-wrap > div.uni-blk-bt > a.uni-blk-pic > img div.data-textarea-wrap > div.uni-blk-bt > a.uni-blk-pic > img
div.data-textarea-wrap > div.uni-blk-bt > a.uni-blk-pic > img div.data-textarea-wrap > div.uni-blk-bt > a.uni-blk-pic > img
div.data-textarea-wrap > div.uni-blk-bt > a.uni-blk-pic > img div.data-textarea-wrap > div.uni-blk-bt > a.uni-blk-pic > img
div.uni-blk-b > div.uni-blk-bt > a.uni-blk-pic > img div.uni-blk-b > div.uni-blk-bt > a.uni-blk-pic > img
div.mod-13 > div > a > img div.mod-13 > div > a > img
div > div#SI_IP_House_0 > a.uni-blk-pic > img div > div#SI_IP_House_0 > a.uni-blk-pic > img
div > div.history-pics-item > a > img div > div.history-pics-item > a > img
div > div.history-pics-item > a > img div > div.history-pics-item > a > img
div > div.history-pics-item > a > img div > div.history-pics-item > a > img
div > div.history-pics-item > a > img div > div.history-pics-item > a > img
div > div.history-pics-item > a > img div > div.history-pics-item > a > img
div > div.history-pics-item > a > img div > div.history-pics-item > a > img
div > div.uni-blk-bt > a.uni-blk-pic > img div > div.uni-blk-bt > a.uni-blk-pic > img
div > div.uni-blk-bt > a.uni-blk-pic > img div > div.uni-blk-bt > a.uni-blk-pic > img
div > div.uni-blk-bt > a.uni-blk-pic > img div > div.uni-blk-bt > a.uni-blk-pic > img
div > div.uni-blk-bt > a.uni-blk-pic > img div > div.uni-blk-bt > a.uni-blk-pic > img
div.travel-ul > a.travel-li > div.img > img div.travel-ul > a.travel-li > div.img > img
div.travel-ul > a.travel-li > div.img > img div.travel-ul > a.travel-li > div.img > img
div.travel-ul > a.travel-li > div.img > img div.travel-ul > a.travel-li > div.img > img
div.travel-ul > a.travel-li > div.img > img div.travel-ul > a.travel-li > div.img > img
div.travel-ul > a.travel-li > div.img > img div.travel-ul > a.travel-li > div.img > img
div.travel-ul > a.travel-li > div.img > img div.travel-ul > a.travel-li > div.img > img

Adding discernable and accessible text to input buttons may help screen reader users understand the purpose of the input button. Learn more about input buttons.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.top-search-frame > div.top-search > form > input.submit-second-btn div.top-search-frame > div.top-search > form > input.submit-second-btn

Labels ensure that form controls are announced properly by assistive technologies, like screen readers. Learn more about form element labels.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.top-search > form > div.inp-txt-wrap > input.inp-txt div.top-search > form > div.inp-txt-wrap > input.inp-txt

Screen reader users rely on frame titles to describe the contents of frames. Learn more about frame titles.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div#ad_45825 > ins.sinaads > ins > iframe div#ad_45825 > ins.sinaads > ins > iframe
div#ad_45976 > ins.sinaads > ins > iframe div#ad_45976 > ins.sinaads > ins > iframe
div#ad_edu_04 > ins#sina_ad_tab03 > ins > iframe#sinaadtk_sandbox_id_4 div#ad_edu_04 > ins#sina_ad_tab03 > ins > iframe#sinaadtk_sandbox_id_4
li > ins.sinaads > ins > iframe#sinaadtk_sandbox_id_1 li > ins.sinaads > ins > iframe#sinaadtk_sandbox_id_1
li > ins.sinaads > ins > iframe#sinaadtk_sandbox_id_0 li > ins.sinaads > ins > iframe#sinaadtk_sandbox_id_0
div#ad_16827 > ins.sinaads > ins > iframe#sinaadtk_sandbox_id_3 div#ad_16827 > ins.sinaads > ins > iframe#sinaadtk_sandbox_id_3
div.nmod01 > ins.sinaads > ins > iframe#sinaadtk_sandbox_id_2 div.nmod01 > ins.sinaads > ins > iframe#sinaadtk_sandbox_id_2
div#ad_25256 > ins.sinaads > ins > iframe div#ad_25256 > ins.sinaads > ins > iframe
div#ad_46010 > ins.sinaads > ins > iframe#sinaadtk_sandbox_id_9 div#ad_46010 > ins.sinaads > ins > iframe#sinaadtk_sandbox_id_9
div#ad_46011 > ins.sinaads > ins > iframe#sinaadtk_sandbox_id_10 div#ad_46011 > ins.sinaads > ins > iframe#sinaadtk_sandbox_id_10
div#ad_46012 > ins.sinaads > ins > iframe div#ad_46012 > ins.sinaads > ins > iframe
div#ad_43762 > ins.sinaads > ins > iframe div#ad_43762 > ins.sinaads > ins > iframe
div#ad_46013 > ins.sinaads > ins > iframe#sinaadtk_sandbox_id_11 div#ad_46013 > ins.sinaads > ins > iframe#sinaadtk_sandbox_id_11
div > ins.sinaads > ins > iframe#sinaadtk_sandbox_id_13 div > ins.sinaads > ins > iframe#sinaadtk_sandbox_id_13
div > ins.sinaads > ins > iframe#sinaadtk_sandbox_id_12 div > ins.sinaads > ins > iframe#sinaadtk_sandbox_id_12
div.part-k-l > ins.sinaads > ins > iframe#sinaadtk_sandbox_id_5 div.part-k-l > ins.sinaads > ins > iframe#sinaadtk_sandbox_id_5
div#sinaAD_slide01_items_one > ins#PDPS000000058184 > ins > iframe div#sinaAD_slide01_items_one > ins#PDPS000000058184 > ins > iframe
div.uni-blk-b > ins.sinaads > ins > iframe#sinaadtk_sandbox_id_6 div.uni-blk-b > ins.sinaads > ins > iframe#sinaadtk_sandbox_id_6
div > ins.sinaads > ins > iframe#sinaadtk_sandbox_id_7 div > ins.sinaads > ins > iframe#sinaadtk_sandbox_id_7
div#ad_46020 > ins.sinaads > ins > iframe div#ad_46020 > ins.sinaads > ins > iframe
div#ad_46021 > ins.sinaads > ins > iframe#sinaadtk_sandbox_id_14 div#ad_46021 > ins.sinaads > ins > iframe#sinaadtk_sandbox_id_14
div#ad_45990 > ins.sinaads > ins > iframe#sinaadtk_sandbox_id_15 div#ad_45990 > ins.sinaads > ins > iframe#sinaadtk_sandbox_id_15
div#ad_46022 > ins.sinaads > ins > iframe div#ad_46022 > ins.sinaads > ins > iframe
div#ad_46023 > ins.sinaads > ins > iframe#sinaadtk_sandbox_id_8 div#ad_46023 > ins.sinaads > ins > iframe#sinaadtk_sandbox_id_8
div#ad_16990 > ins.sinaads > ins > iframe div#ad_16990 > ins.sinaads > ins > iframe

Link text (and alternate text for images, when used as links) that is discernible, unique, and focusable improves the navigation experience for screen reader users. Learn how to make links accessible.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
body > div.top-search-wrap > div.top-search-frame > a.sina-logo body > div.top-search-wrap > div.top-search-frame > a.sina-logo
div > div > div.nwsu-item > a.nwsu div > div > div.nwsu-item > a.nwsu
div > div > div.nwsu-item > a.nwsu4 div > div > div.nwsu-item > a.nwsu4
div > div > div.nwsu-item > a.nwsu1 div > div > div.nwsu-item > a.nwsu1
div > div > div.nwsu-item > a.nwsu5 div > div > div.nwsu-item > a.nwsu5
div > div > div.nwsu-item > a.nwsu13 div > div > div.nwsu-item > a.nwsu13
div > div > div.nwsu-item > a.nwsu div > div > div.nwsu-item > a.nwsu
div > div > div.nwsu-item > a.nwsu4 div > div > div.nwsu-item > a.nwsu4
div > div > div.nwsu-item > a.nwsu1 div > div > div.nwsu-item > a.nwsu1
div > div > div.nwsu-item > a.nwsu5 div > div > div.nwsu-item > a.nwsu5
div > div > div.nwsu-item > a.nwsu13 div > div > div.nwsu-item > a.nwsu13
body > div.top-search-wrap > div.top-search-frame > a.hxjzg body > div.top-search-wrap > div.top-search-frame > a.hxjzg
div#ad_45825 > ins.sinaads > ins > a div#ad_45825 > ins.sinaads > ins > a
div.part-a > div.part-a-l > div.mod-02 > a div.part-a > div.part-a-l > div.mod-02 > a
div.important-news-content > ul#syncad_4 > li > a div.important-news-content > ul#syncad_4 > li > a
div#ad_25256 > ins.sinaads > ins > a div#ad_25256 > ins.sinaads > ins > a
div#ad_46012 > ins.sinaads > ins > a div#ad_46012 > ins.sinaads > ins > a
div#ad_43762 > ins.sinaads > ins > a div#ad_43762 > ins.sinaads > ins > a
div.mod21-cont > div#SI_Scroll_Swrap > div.ed-pic-item > a div.mod21-cont > div#SI_Scroll_Swrap > div.ed-pic-item > a
div.uni-blk-t > div.order-menu > span.order-menu-lnk > a#SI_IP_Tab_Nav_5 div.uni-blk-t > div.order-menu > span.order-menu-lnk > a#SI_IP_Tab_Nav_5
div#sinaAD_slide01_items_one > ins#PDPS000000058184 > ins > a div#sinaAD_slide01_items_one > ins#PDPS000000058184 > ins > a
div.mod-13 > div.sinaAD_slide01_w > div#sinaAD_slide01_dots > a#sinaAD_slide01_prev div.mod-13 > div.sinaAD_slide01_w > div#sinaAD_slide01_dots > a#sinaAD_slide01_prev
div.uni-blk-t > div.order-menu > span.order-menu-lnk > a#SI_IP_Tab_Nav_3 div.uni-blk-t > div.order-menu > span.order-menu-lnk > a#SI_IP_Tab_Nav_3
div.uni-blk-t > div.order-menu > span.order-menu-lnk > a#SI_IP_Tab_Nav_2 div.uni-blk-t > div.order-menu > span.order-menu-lnk > a#SI_IP_Tab_Nav_2
div.mod27-cont > div.history-pics-wrap > div.history-pics-arrleft-wrap > a#SI_Scroll_eduopen_Arr_L div.mod27-cont > div.history-pics-wrap > div.history-pics-arrleft-wrap > a#SI_Scroll_eduopen_Arr_L
div.mod27-cont > div.history-pics-wrap > div.history-pics-arrright-wrap > a#SI_Scroll_eduopen_Arr_R div.mod27-cont > div.history-pics-wrap > div.history-pics-arrright-wrap > a#SI_Scroll_eduopen_Arr_R
div.uni-blk-bt > ul.uni-blk-list01 > li > a div.uni-blk-bt > ul.uni-blk-list01 > li > a
div#ad_46022 > ins.sinaads > ins > a div#ad_46022 > ins.sinaads > ins > a
div.uni-blk-t > div.order-menu > span.order-menu-lnk > a#SI_IP_Tab_Nav_4 div.uni-blk-t > div.order-menu > span.order-menu-lnk > a#SI_IP_Tab_Nav_4
div#ad_16990 > ins.sinaads > ins > a div#ad_16990 > ins.sinaads > ins > a

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Internationalization and localization

If a page doesn't specify a `lang` attribute, a screen reader assumes that the page is in the default language that the user chose when setting up the screen reader. If the page isn't actually in the default language, then the screen reader might not announce the page's text correctly. Learn more about the `lang` attribute.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
html html

These are opportunities to improve the interpretation of your content by users in different locales.

Tables and lists

Screen readers have a specific way of announcing lists. Ensuring proper list structure aids screen reader output. Learn more about proper list structure.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
道路花卉竞相绽 中原大地春耕忙 安徽采摘春茶 美伊会谈，最新进展 前主编Global丨山姆·奥特曼遇袭，暗杀科技高管成… 多维度分析中国经济现象 格力CMO再… div.uni-blk-b > div.tab-cont-out > div > ul.list-a

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Best practices

Touch targets with sufficient size and spacing help users who may have difficulty targeting small controls to activate the targets. Learn more about touch targets.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
特斯拉客户支持 div.heimao-lists > div.heimao-item > p.heimao-p1 > a
特斯拉重大安全隐患 div.heimao-lists > div.heimao-item > p.heimao-p2 > a
醉酒男子落水意识模糊 市民水中托举等待救援 div#syncad_0 > ul.list-a > li#top_last > a
彩票 div#SI_Order_A > div.SC_Order_Fix > div.mod-list-nav > a
英超 div#SI_Order_A > div.SC_Order_Fix > div.mod-list-nav > a
西甲 div#SI_Order_A > div.SC_Order_Fix > div.mod-list-nav > a
欧冠 div#SI_Order_A > div.SC_Order_Fix > div.mod-list-nav > a
排行 div#SI_Order_A > div.SC_Order_Fix > div.mod-list-nav > a
河南一高校运动会跨栏赛集体拉胯：有人“爬栏”有人“踹栏” div > ul.uni-blk-list02 > li > a
新车 div#SI_Order_B > div.SC_Order_Fix > div.mod-list-nav > a
导购 div#SI_Order_B > div.SC_Order_Fix > div.mod-list-nav > a
说车 div#SI_Order_B > div.SC_Order_Fix > div.mod-list-nav > a
试车 div#SI_Order_B > div.SC_Order_Fix > div.mod-list-nav > a
新闻 div#SI_Order_B > div.SC_Order_Fix > div.mod-list-nav > a
解析 div#SI_Order_B > div.SC_Order_Fix > div.mod-list-nav > a
报价 div#SI_Order_B > div.SC_Order_Fix > div.mod-list-nav > a
图片 div#SI_Order_B > div.SC_Order_Fix > div.mod-list-nav > a
新房 div#SI_Order_O > div.SC_Order_Fix > div.mod-list-nav > a
租房 div#SI_Order_O > div.SC_Order_Fix > div.mod-list-nav > a
地产 div#SI_Order_O > div.SC_Order_Fix > div.mod-list-nav > a
div.mod27-cont > div.history-pics-wrap > div.history-pics-arrright-wrap > a#SI_Scroll_eduopen_Arr_R div.mod27-cont > div.history-pics-wrap > div.history-pics-arrright-wrap > a#SI_Scroll_eduopen_Arr_R

One main landmark helps screen reader users navigate a web page. Learn more about landmarks.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
html html

These items highlight common accessibility best practices.

○Interactive controls are keyboard focusable
○Interactive elements indicate their purpose and state
○The page has a logical tab order
○Visual order on the page follows DOM order
○User focus is not accidentally trapped in a region
○The user's focus is directed to new content added to the page
○HTML5 landmark elements are used to improve navigation
○Offscreen content is hidden from assistive technology
○Custom controls have associated labels
○Custom controls have ARIA roles
●`[aria-hidden="true"]` is not present on the document `<body>`
●Document has a `<title>` element
●Links are distinguishable without relying on color.
●List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements
●Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
●Heading elements appear in a sequentially-descending order
●Image elements do not have `[alt]` attributes that are redundant text.
●Identical links have the same purpose.
○`[accesskey]` values are unique
○`[aria-*]` attributes match their roles
○`button`, `link`, and `menuitem` elements have accessible names
○ARIA attributes are used as specified for the element's role
○Deprecated ARIA roles were not used
○Elements with `role="dialog"` or `role="alertdialog"` have accessible names.
○`[aria-hidden="true"]` elements do not contain focusable descendents
○ARIA input fields have accessible names
○ARIA `meter` elements have accessible names
○ARIA `progressbar` elements have accessible names
○Elements use only permitted ARIA attributes
○`[role]`s have all required `[aria-*]` attributes
○Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
○`[role]`s are contained by their required parent element
○`[role]` values are valid
○Elements with the `role=text` attribute do not have focusable descendents.
○ARIA toggle fields have accessible names
○ARIA `tooltip` elements have accessible names
○ARIA `treeitem` elements have accessible names
○`[aria-*]` attributes have valid values
○`[aria-*]` attributes are valid and not misspelled
○Buttons have an accessible name
○The page contains a heading, skip link, or landmark region
○`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
○Definition list items are wrapped in `<dl>` elements
○ARIA IDs are unique
○No form fields have multiple labels
○`<html>` element has a valid value for its `[lang]` attribute
○`<html>` element has an `[xml:lang]` attribute with the same base language as the `[lang]` attribute.
○`<input type="image">` elements have `[alt]` text
○The document does not use `<meta http-equiv="refresh">`
○`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
○`<object>` elements have alternate text
○Select elements have associated label elements.
○Skip links are focusable.
○No element has a `[tabindex]` value greater than 0
○`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
○`[lang]` attributes have a valid value
○`<video>` elements contain a `<track>` element with `[kind="captions"]`
○Tables have different content in the summary attribute and `<caption>`.
○All heading elements contain content.
○Uses ARIA roles only on compatible elements
○Elements with visible text labels have matching accessible names.
○Tables use `<caption>` instead of cells with the `[colspan]` attribute to indicate a caption.
○`<td>` elements in a large `<table>` have one or more table headers.
73

Best Practices

User Experience

Image display dimensions should match natural aspect ratio. Learn more about image aspect ratio.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLAspect Ratio (Displayed)Aspect Ratio (Actual)
div > div.uni-blk-bt > a.uni-blk-pic > img div > div.uni-blk-bt > a.uni-blk-pic > img
/house/photo/42-1-Ya2zxeJBA1KE89d9QgfFyLPmNGrGPnIThzkZF7Q...105 x 70 (1.50)300 x 300 (1.00)

General

Deprecated APIs will eventually be removed from the browser. Learn more about deprecated APIs.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Deprecation / WarningSource
Unload event listeners are deprecated and will be removed.
news.sina.com.cn/sso/outlogin_layer.js

Errors logged to the console indicate unresolved problems. They can come from network request failures and other browser concerns. Learn more about this errors in console diagnostic audit

Why this matters

Performance issues directly impact user engagement and conversion rates.

SourceDescription
/iframe/87/store.html?handle=___CrossDomainStorage___.onR... line 10, col 224
Error: SecurityError:fail to set domain or both page must set 'document.domain' to the same value 'sina.com.cn' to allow access at contact (https://news.sina.com.cn/iframe/87/store.html?handle=___CrossDomainStorage___.onReady&domain=sina.com.cn:11:225) at https://news.sina.com.cn/iframe/87/store.html?handle=___CrossDomainStorage___.onReady&domain=sina.com.cn:11:791 at https://news.sina.com.cn/iframe/87/store.html?handle=___CrossDomainStorage___.onReady&domain=sina.com.cn:11:820
/litong/zhitou/adJs/store.html?handle=___SinaadsMonBoxCro... line 8, col 8223
SecurityError: Failed to read a named property '___SinaadsMonBoxCrossDomainStorage___' from 'Window': Blocked a frame with origin "https://d2.sina.com.cn" from accessing a cross-origin frame. at https://d2.sina.com.cn/litong/zhitou/adJs/store.html?handle=___SinaadsMonBoxCrossDomainStorage___.onReady&domain=sina.com.cn:9:8224 at https://d2.sina.com.cn/litong/zhitou/adJs/store.html?handle=___SinaadsMonBoxCrossDomainStorage___.onReady&domain=sina.com.cn:9:8251
n.sinaimg.cn/index/js/shms2.js?v=20240606 line 5409, col 4
Uncaught ReferenceError: sinaSSOController is not defined
●Uses HTTPS
●Avoids third-party cookies
●Allows users to paste into input fields
●Avoids requesting the geolocation permission on page load
●Avoids requesting the notification permission on page load
●Serves images with appropriate resolution
●Page has the HTML doctype
●Properly defines charset
●No issues in the `Issues` panel in Chrome Devtools
●Ensure CSP is effective against XSS attacks
●Use a strong HSTS policy
●Ensure proper origin isolation with COOP
●Mitigate clickjacking with XFO or CSP
●Mitigate DOM-based XSS with Trusted Types
●Detected JavaScript libraries
●Page has valid source maps
○Redirects HTTP traffic to HTTPS
83

SEO

These checks ensure that your page is following basic search engine optimization advice. There are many additional factors Lighthouse does not score here that may affect your search ranking, including performance on Core Web Vitals. Learn more about Google Search Essentials.

Crawling and Indexing

Search engines may use `href` attributes on links to crawl websites. Ensure that the `href` attribute of anchor elements links to an appropriate destination, so more pages of the site can be discovered. Learn how to make links crawlable

Why this matters

Performance issues directly impact user engagement and conversion rates.

Uncrawlable Link
移动客户端 div.tn-header > div.tn-nav > div.tn-title > a.tn-tab
div.important-news-content > ul.list-a > li > a.linkRed01 div.important-news-content > ul.list-a > li > a.linkRed01
div.important-news-content > ul.list-a > li > a.linkRed01 div.important-news-content > ul.list-a > li > a.linkRed01

To appear in search results, crawlers need access to your app.

Content Best Practices

Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more about the `alt` attribute.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.part-a-l > div.mod-02 > a > img#heimaogif div.part-a-l > div.mod-02 > a > img#heimaogif
ul.list-a > div.uni-blk-bt > a.uni-blk-pic > img ul.list-a > div.uni-blk-bt > a.uni-blk-pic > img
ul.list-a > div.uni-blk-bt > a.uni-blk-pic > img ul.list-a > div.uni-blk-bt > a.uni-blk-pic > img
ul.list-a > div.uni-blk-bt > a.uni-blk-pic > img ul.list-a > div.uni-blk-bt > a.uni-blk-pic > img
div#video_one > div.uni-blk-bt > a.uni-blk-pic > img div#video_one > div.uni-blk-bt > a.uni-blk-pic > img
div#video_one > div.uni-blk-bt > a.uni-blk-pic > img div#video_one > div.uni-blk-bt > a.uni-blk-pic > img
div > div.uni-blk-bt > a.uni-blk-pic > img div > div.uni-blk-bt > a.uni-blk-pic > img
div > div.uni-blk-bt > a.uni-blk-pic > img div > div.uni-blk-bt > a.uni-blk-pic > img
div.mod-13 > div > a > img div.mod-13 > div > a > img
div#blk_finance_1 > div.uni-blk-bt > a.uni-blk-pic > img div#blk_finance_1 > div.uni-blk-bt > a.uni-blk-pic > img
div > div.uni-blk-bt > a.uni-blk-pic > img div > div.uni-blk-bt > a.uni-blk-pic > img
div#SI_Scroll_Swrap > div.ed-pic-item > a > img div#SI_Scroll_Swrap > div.ed-pic-item > a > img
div > div.uni-blk-bt > a.uni-blk-pic > img div > div.uni-blk-bt > a.uni-blk-pic > img
div.data-textarea-wrap > div.uni-blk-bt > a.uni-blk-pic > img div.data-textarea-wrap > div.uni-blk-bt > a.uni-blk-pic > img
div.data-textarea-wrap > div.uni-blk-bt > a.uni-blk-pic > img div.data-textarea-wrap > div.uni-blk-bt > a.uni-blk-pic > img
div.data-textarea-wrap > div.uni-blk-bt > a.uni-blk-pic > img div.data-textarea-wrap > div.uni-blk-bt > a.uni-blk-pic > img
div.uni-blk-b > div.uni-blk-bt > a.uni-blk-pic > img div.uni-blk-b > div.uni-blk-bt > a.uni-blk-pic > img
div.mod-13 > div > a > img div.mod-13 > div > a > img
div > div#SI_IP_House_0 > a.uni-blk-pic > img div > div#SI_IP_House_0 > a.uni-blk-pic > img
div > div.history-pics-item > a > img div > div.history-pics-item > a > img
div > div.history-pics-item > a > img div > div.history-pics-item > a > img
div > div.history-pics-item > a > img div > div.history-pics-item > a > img
div > div.history-pics-item > a > img div > div.history-pics-item > a > img
div > div.history-pics-item > a > img div > div.history-pics-item > a > img
div > div.history-pics-item > a > img div > div.history-pics-item > a > img
div > div.uni-blk-bt > a.uni-blk-pic > img div > div.uni-blk-bt > a.uni-blk-pic > img
div > div.uni-blk-bt > a.uni-blk-pic > img div > div.uni-blk-bt > a.uni-blk-pic > img
div > div.uni-blk-bt > a.uni-blk-pic > img div > div.uni-blk-bt > a.uni-blk-pic > img
div > div.uni-blk-bt > a.uni-blk-pic > img div > div.uni-blk-bt > a.uni-blk-pic > img
div.travel-ul > a.travel-li > div.img > img div.travel-ul > a.travel-li > div.img > img
div.travel-ul > a.travel-li > div.img > img div.travel-ul > a.travel-li > div.img > img
div.travel-ul > a.travel-li > div.img > img div.travel-ul > a.travel-li > div.img > img
div.travel-ul > a.travel-li > div.img > img div.travel-ul > a.travel-li > div.img > img
div.travel-ul > a.travel-li > div.img > img div.travel-ul > a.travel-li > div.img > img
div.travel-ul > a.travel-li > div.img > img div.travel-ul > a.travel-li > div.img > img

Format your HTML in a way that enables crawlers to better understand your app’s content.

○Structured data is valid
●Page isn’t blocked from indexing
●Document has a `<title>` element
●Document has a meta description
●Page has successful HTTP status code
●Links have descriptive text
●robots.txt is valid
●Document has a valid `hreflang`
○Document has a valid `rel=canonical`

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