Lighthouse Desktop

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

SCORE

GRADE

FIX

REVIEW

PASS

INFO

Detailed Report

Audit breakdown by category with detailed findings.

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.

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.

Request	Cache TTL	Transfer Size
pic.chinaz.com/2026/0421/26042103260422683955.jpg	0.0 ms	147.1 KiB
img.chinaz.com/2020/js/jsLibrary.min.js?20230118	0.0 ms	61.0 KiB
pic.chinaz.com/picmap/thumb/202105221938377975_3.jpg	0.0 ms	49.3 KiB
img.chinaz.com/2020/css/home.min.css?2023041212	0.0 ms	46.2 KiB
cbjs.baidu.com/js/m.js	0.0 ms	38.8 KiB
pic.chinaz.com/picmap/thumb/202604151626116075_5.jpg	0.0 ms	32.6 KiB
pic.chinaz.com/thumb/2023/1025/23102511363968824529.jpg	0.0 ms	25.7 KiB
pic.chinaz.com/thumb/2026/0420/2026042016433431670.jpg	0.0 ms	25.1 KiB
img.chinaz.com/images/1551.jpg	0.0 ms	24.2 KiB
pic.chinaz.com/thumb/2026/0407/2026040711124085030.jpg	0.0 ms	22.9 KiB
pic.chinaz.com/thumb/2023/1025/23102511374488096473.jpg	0.0 ms	22.4 KiB
pic.chinaz.com/thumb/2023/0605/23060504191368305107.jpg	0.0 ms	19.3 KiB
pic.chinaz.com/picmap/thumb/202010301749565119_0.jpg	0.0 ms	18.7 KiB
img.chinaz.com/2020/img/comqrcode.jpg	0.0 ms	17.7 KiB
pic.chinaz.com/thumb/2026/0421/2026042111135897390.jpg	0.0 ms	17.7 KiB
pic.chinaz.com/thumb/2023/1025/23102511354261768221.jpg	0.0 ms	17.3 KiB
pic.chinaz.com/thumb/2026/0415/2026041515275634750.jpg	0.0 ms	17.2 KiB
pic.chinaz.com/picmap/thumb/202011091027596208_5.jpg	0.0 ms	13.8 KiB
img.chinaz.com/2020/img/chinaz-logo.png	0.0 ms	13.4 KiB
scripts.clarity.ms/0.8.60-beta/clarity.js	86400.0 s	25.0 KiB
pic.chinaz.com/thumb/2026/0421/2026042122142955801.jpg	0.0 ms	9.1 KiB
pic.chinaz.com/thumb/2026/0421/2026042109000633221.jpg	0.0 ms	8.5 KiB
a2put.chinaz.com/propagate.js	0.0 ms	6.7 KiB
img.chinaz.com/ghs.png	0.0 ms	5.8 KiB
img.chinaz.com/2020/js/index.min.js?20240617	0.0 ms	5.8 KiB
img.chinaz.com/2020/js/media.js?20230406	0.0 ms	5.5 KiB
img.chinaz.com/2020/js/uc1.js?20210906	0.0 ms	2.7 KiB
jiathis.com/chinaz.js	0.0 ms	1.8 KiB
img.chinaz.com/2020/js/stat.min.js?20230408	0.0 ms	1.7 KiB
img.chinaz.com/2020/topic/zt.png	0.0 ms	865 B
img.chinaz.com/templates/chinaz/img/g9.png	0.0 ms	583 B
img.chinaz.com/2020/js/ads.min.js	0.0 ms	388 B

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:Source valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]

items: [map[reflowTime:47.182 source:map[column:84163 line:1 type:source-location url:https://img.chinaz.com/2020/js/jsLibrary.min.js?20230118 urlProvider:network]] map[reflowTime:0.39 source:map[column:50611 line:1 type:source-location url:https://img.chinaz.com/2020/js/jsLibrary.min.js?20230118 urlProvider:network]] map[reflowTime:4.852 source:map[column:53111 line:1 type:source-location url:https://img.chinaz.com/2020/js/jsLibrary.min.js?20230118 urlProvider:network]]]

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-0-IMG

nodeLabel: AI日报：Kimi K2.6模型发布；腾讯QClaw海外版上线

path: 1,HTML,1,BODY,0,DIV,2,DIV,3,DIV,0,DIV,0,DIV,0,DIV,0,DIV,1,DIV,0,DIV,0,DIV,0,UL,0,LI,0,DIV,0,DIV,0,A,0,IMG

selector: div.official-newsbd > div.thumb > a > img

snippet: <img src="https://pic.chinaz.com/2026/0421/26042103260422683955.jpg" alt="AI日报：Kimi K2.6模型发布；腾讯QClaw海外版上线" width="375">

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

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.

URL	Transfer Size	Duration
cbjs.baidu.com/js/m.js	38.8 KiB	1.5 s
a2put.chinaz.com/propagate.js	6.7 KiB	1.2 s
at.alicdn.com/t/c/font_1052300_kp811a2o6qb.css	1.9 KiB	202 ms
img.chinaz.com/2020/js/ads.min.js	388 B
img.chinaz.com/2020/css/home.min.css?2023041212	46.2 KiB	436 ms

Consider setting font-display to swap or optional to ensure text is consistently visible. swap can be further optimized to mitigate layout shifts with font metric overrides.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL	Est Savings
at.alicdn.com/t/c/font_1052300_kp811a2o6qb.woff2?t=1666080683524	5.0 ms

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.

	URL	Resource Size	Est Savings
ul.content > li.current > a > img `ul.content > li.current > a > img`	a2put.chinaz.com/uploads/20230316/1457ca59a00018ca9d7ebb66f01f32f7.gif	262.2 KiB	149.5 KiB
ul.content > li.current > a > img `ul.content > li.current > a > img`	a2put.chinaz.com/uploads/20251021/b2526afcc62bcdf86f2012b11586d3bd.gif	240.2 KiB	134.5 KiB
AI日报：Kimi K2.6模型发布；腾讯QClaw海外版上线 `div.official-newsbd > div.thumb > a > img`	pic.chinaz.com/2026/0421/26042103260422683955.jpg	146.8 KiB	130.2 KiB
li > div.official-newsbd > div.thumb > a `li > div.official-newsbd > div.thumb > a`	pic.chinaz.com/picmap/thumb/202105221938377975_3.jpg	49.0 KiB	38.1 KiB
ul.content > li.current > a > img `ul.content > li.current > a > img`	a2put.chinaz.com/uploads/20240126/d51f6db85f190a35c2198f95c635d6ae.jpg	42.3 KiB	38.0 KiB
ul.content > li.current > a > img `ul.content > li.current > a > img`	a2put.chinaz.com/uploads/20221110/7b37cf5077396cab0131c707ea8c808a.jpg	35.4 KiB	31.0 KiB
div.product-pics__item > a > div.thumb > img.lazy `div.product-pics__item > a > div.thumb > img.lazy`	pic.chinaz.com/thumb/2023/1025/23102511363968824529.jpg	25.6 KiB	21.9 KiB
li > div.topic-info__bd > a > div.thumb `li > div.topic-info__bd > a > div.thumb`	pic.chinaz.com/picmap/thumb/202604151626116075_5.jpg	32.6 KiB	21.6 KiB
li > div.official-newsbd > div.thumb > a `li > div.official-newsbd > div.thumb > a`	pic.chinaz.com/thumb/2026/0420/2026042016433431670.jpg	24.9 KiB	21.0 KiB
ul.content > li > a > img `ul.content > li > a > img`	a2put.chinaz.com/uploads/20240620/74b206003936400dca62e0d10f736c47.jpg	27.5 KiB	20.2 KiB
li > div.official-newsbd > div.thumb > a `li > div.official-newsbd > div.thumb > a`	pic.chinaz.com/thumb/2026/0407/2026040711124085030.jpg	22.7 KiB	18.7 KiB
div.product-pics__item > a > div.thumb > img.lazy `div.product-pics__item > a > div.thumb > img.lazy`	pic.chinaz.com/thumb/2023/1025/23102511374488096473.jpg	22.2 KiB	18.5 KiB
div.product-pics__item > a > div.thumb > img.lazy `div.product-pics__item > a > div.thumb > img.lazy`	pic.chinaz.com/thumb/2023/0605/23060504191368305107.jpg	19.2 KiB	15.5 KiB
li > div.topic-info__bd > a > div.thumb `li > div.topic-info__bd > a > div.thumb`	pic.chinaz.com/thumb/2026/0421/2026042111135897390.jpg	17.5 KiB	13.6 KiB
div.product-pics__item > a > div.thumb > img.lazy `div.product-pics__item > a > div.thumb > img.lazy`	pic.chinaz.com/thumb/2023/1025/23102511354261768221.jpg	17.4 KiB	13.5 KiB
li > div.topic-info__bd > a > div.thumb `li > div.topic-info__bd > a > div.thumb`	pic.chinaz.com/thumb/2026/0415/2026041515275634750.jpg	17.1 KiB	13.1 KiB
div.sc-wrapper__bd > div.sc-topbanner > a > img `div.sc-wrapper__bd > div.sc-topbanner > a > img`	img.chinaz.com/images/1551.jpg	25.0 KiB	12.0 KiB
站长之家 `div.flex-container > div.header-logo > a > img`	img.chinaz.com/2020/img/chinaz-logo.png	13.2 KiB	11.7 KiB
li > div.topic-info__bd > a > div.thumb `li > div.topic-info__bd > a > div.thumb`	pic.chinaz.com/picmap/thumb/202010301749565119_0.jpg	18.4 KiB	7.5 KiB
6999元起！REDMI Book Pro 2026发布：至高Ultra X7 358H+99Wh巨无霸电池 `li.single-mode > div.thumb > a > img.lazy`	pic.chinaz.com/thumb/2026/0421/2026042122142955801.jpg	9.5 KiB	6.3 KiB
li > div.topic-info__bd > a > div.thumb `li > div.topic-info__bd > a > div.thumb`	pic.chinaz.com/thumb/2026/0421/2026042109000633221.jpg	8.8 KiB	4.5 KiB

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

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: 878 ms

URL	Time Spent
chinaz.com/	878 ms
www.chinaz.com/	0.0 ms

Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric.

Why this matters

Performance issues directly impact user engagement and conversion rates.

TTI

Diagnostics

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: 250 ms 58.3 KiB

URL	Transfer Size	Est Savings
img.chinaz.com/2020/js/jsLibrary.min.js?20230118	60.5 KiB	30.7 KiB
cbjs.baidu.com/js/m.js	38.5 KiB	27.6 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 reason	Failure type
The page has an unload handler in the main frame.	Actionable

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: 0.0 ms 9.7 KiB

URL	Transfer Size	Est Savings
a2put.chinaz.com/propagate.js	6.4 KiB	3.5 KiB
a2put.chinaz.com/propagate.js	6.4 KiB	3.5 KiB
img.chinaz.com/2020/js/media.js?20230406	5.2 KiB	2.8 KiB

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 35.7 KiB

URL	Transfer Size	Est Savings
img.chinaz.com/2020/css/home.min.css?2023041212	45.8 KiB	35.7 KiB

Set an explicit width and height on image elements to reduce layout shifts and improve CLS. Learn how to set image dimensions

Why this matters

Performance issues directly impact user engagement and conversion rates.

	URL
div.sc-wrapper__bd > div.sc-topbanner > a > img `div.sc-wrapper__bd > div.sc-topbanner > a > img`	img.chinaz.com/images/1551.jpg
站长之家二维码 `div.cloumn-right > div.fright > div.fright-qrcode > img.lazy`	img.chinaz.com/2020/img/comqrcode.jpg
话题 `div.info > div.catname > span.catname-icon > img`	img.chinaz.com/2020/topic/zt.png
话题 `div.info > div.catname > span.catname-icon > img`	img.chinaz.com/2020/topic/zt.png
话题 `div.info > div.catname > span.catname-icon > img`	img.chinaz.com/2020/topic/zt.png
话题 `div.info > div.catname > span.catname-icon > img`	img.chinaz.com/2020/topic/zt.png
话题 `div.info > div.catname > span.catname-icon > img`	img.chinaz.com/2020/topic/zt.png
div.site-link > p > a > img `div.site-link > p > a > img`	img.chinaz.com/ghs.png

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

●Layout shift culprits

●Optimize DOM size

●LCP breakdown

●Modern HTTP

●Optimize viewport for mobile

●Max Potential First Input Delay 50 ms

●Minify CSS

●Avoids enormous network payloads Total size was 1,689 KiB

●JavaScript execution time 0.3 s

●Minimizes main-thread work 1.1 s

●Avoid long main-thread tasks 2 long tasks found

●Network Requests

●Network Round Trip Times 270 ms

●Server Backend Latencies 970 ms

●Tasks

●Diagnostics

●Metrics

●Screenshot Thumbnails

●Final Screenshot

●Script Treemap Data

●Resources Summary

●Initial server response time was short Root document took 80 ms

●Avoid large layout shifts 7 layout shifts found

○INP breakdown

○User Timing marks and measures

○Avoid non-composited animations

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.

Names and labels

When a button doesn't have an accessible name, screen readers announce it as "button", making it unusable for users who rely on screen readers. Learn how to make buttons more accessible.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.search-form > div.search-input > div.append > button.btn `div.search-form > div.search-input > div.append > button.btn`

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
ul.content > li.current > a > img `ul.content > li.current > a > img`
ul.content > li.current > a > img `ul.content > li.current > a > img`
ul.content > li.current > a > img `ul.content > li.current > a > img`
div.product-pics__item > a > div.thumb > img.lazy `div.product-pics__item > a > div.thumb > img.lazy`
div.product-pics__item > a > div.thumb > img.lazy `div.product-pics__item > a > div.thumb > img.lazy`
div.product-pics__item > a > div.thumb > img.lazy `div.product-pics__item > a > div.thumb > img.lazy`
div.product-pics__item > a > div.thumb > img.lazy `div.product-pics__item > a > div.thumb > img.lazy`
ul.content > li.current > a > img `ul.content > li.current > a > img`
ul.content > li.current > a > img `ul.content > li.current > a > img`
ul.content > li.current > a > img `ul.content > li.current > a > img`
ul.content > li.current > a > img `ul.content > li.current > a > img`
ul.content > li.current > a > img `ul.content > li.current > a > img`
ul.content > li.current > a > img `ul.content > li.current > a > img`
div.sc-wrapper__bd > div.sc-topbanner > a > img `div.sc-wrapper__bd > div.sc-topbanner > a > img`
ul.content > li.current > a > img `ul.content > li.current > a > img`
div.site-link > p > a > img `div.site-link > p > a > img`

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#ADf93ebdfa-79b1-4b2c-adce-e81b61be786b > ul.content > li.current > iframe `div#ADf93ebdfa-79b1-4b2c-adce-e81b61be786b > ul.content > li.current > iframe`
div#AD2595903b-0c29-43d6-9414-41a6fdb103fa > ul.content > li.current > iframe `div#AD2595903b-0c29-43d6-9414-41a6fdb103fa > ul.content > li.current > iframe`
div#AD8a70f5a1-b09e-4370-b83a-b531bceeb067 > ul.content > li.current > iframe `div#AD8a70f5a1-b09e-4370-b83a-b531bceeb067 > ul.content > li.current > iframe`
div#ADe4551207-c51a-4403-a01b-abfbba8690f5 > ul.content > li.current > iframe `div#ADe4551207-c51a-4403-a01b-abfbba8690f5 > ul.content > li.current > iframe`
div#AD04e73374-9555-43f3-b6a0-e0f637a25cf2 > ul.content > li.current > iframe `div#AD04e73374-9555-43f3-b6a0-e0f637a25cf2 > ul.content > li.current > 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
div#ADae1764c9-a2d1-4e88-83d8-ce3820791684 > ul.content > li.current > a `div#ADae1764c9-a2d1-4e88-83d8-ce3820791684 > ul.content > li.current > a`
div#ADde462c50-5f83-4ca4-86b7-5c98052ad9bb > ul.content > li.current > a `div#ADde462c50-5f83-4ca4-86b7-5c98052ad9bb > ul.content > li.current > a`
li > div.official-newsbd > div.thumb > a `li > div.official-newsbd > div.thumb > a`
li > div.official-newsbd > div.thumb > a `li > div.official-newsbd > div.thumb > a`
li > div.official-newsbd > div.thumb > a `li > div.official-newsbd > div.thumb > a`
li > div.official-newsbd > div.thumb > a `li > div.official-newsbd > div.thumb > a`
div#ADdaddc72f-9a53-4f1a-ba06-07cecf769928 > ul.content > li.current > a `div#ADdaddc72f-9a53-4f1a-ba06-07cecf769928 > ul.content > li.current > a`
div#AD8377652e-f24a-4615-8f0e-46e9b7c33af7 > ul.content > li.current > a `div#AD8377652e-f24a-4615-8f0e-46e9b7c33af7 > ul.content > li.current > a`
div#ADbe2624ae-8764-4d35-9e93-a3efc47612ae > ul.content > li.current > a `div#ADbe2624ae-8764-4d35-9e93-a3efc47612ae > ul.content > li.current > a`
div#AD6966a626-0484-4fc0-8f92-e41cf2f4631e > ul.content > li.current > a `div#AD6966a626-0484-4fc0-8f92-e41cf2f4631e > ul.content > li.current > a`
div#AD2b5b7b95-07b3-4977-8b4a-30050f305bcb > ul.content > li.current > a `div#AD2b5b7b95-07b3-4977-8b4a-30050f305bcb > ul.content > li.current > a`
div#AD43ea7b48-c090-49b9-b43e-b0f7a0049e58 > ul.content > li.current > a `div#AD43ea7b48-c090-49b9-b43e-b0f7a0049e58 > ul.content > li.current > a`
div#ADb4d17cec-2d51-41ae-9eb1-b9bf5b280aaa > ul.content > li.current > a `div#ADb4d17cec-2d51-41ae-9eb1-b9bf5b280aaa > ul.content > li.current > a`
div.cloumn-bd > div.sc-wrapper__bd > div.sc-topbanner > a `div.cloumn-bd > div.sc-wrapper__bd > div.sc-topbanner > a`
div#AD4c1a0bb2-4a75-4bce-8c8c-5522ed17cb90 > ul.content > li.current > a `div#AD4c1a0bb2-4a75-4bce-8c8c-5522ed17cb90 > ul.content > li.current > 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.

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
字体超市--好字体用得起，买得起！ `div#breakingnews > ul.nav-notice__scroll > li > a`
站长之家 `div.flex-container > ul.nav-list > li > a.nav-item__link`
站长工具 `div.flex-container > ul.nav-list > li > a.nav-item__link`
站长素材 `div.flex-container > ul.nav-list > li > a.nav-item__link`
站长团购 `div.flex-container > ul.nav-list > li > a.nav-item__link`
网站排行 `div.flex-container > ul.nav-list > li > a.nav-item__link`
关注我们 `div.flex-container > ul.nav-list > li > a.nav-item__link`
[登录/注册] `li.nav-item--active > div#chinaz_topbar > div.login-div > a.login-btn`
软文推广 `div.flex-container > div#cz-search > div.contribute-btn > a`
软文推广 `div.cloumn-bd > div.section-title > div.more > a`
本文汇总了AI领域最新动态：月之暗面发布Kimi K2.6模型，性能对标国际顶尖；腾讯QClaw海外版上线，支持主流模型并引入Agent“领养”机制；Open… `li > div.official-newsbd > div.info > div.desc`
5小时前 `div.official-newsbd > div.info > div.meta > span.time`
1分钟阅读 `div.official-newsbd > div.info > div.meta > span.readtime`
4小时前 `div.official-newsbd > div.info > div.meta > span.time`
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11小时前 `div.official-newsbd > div.info > div.meta > span.time`
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11小时前 `div.official-newsbd > div.info > div.meta > span.time`
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今日，腾讯旗下的QClaw正式开启海外版内测，QClaw主打零门槛、免部署、下载即用的特点，让不少用户充满期待。腾讯方�.. `div.topic-info__bd > a > div.info > p.desc`
今日，苹果公司传来重大人事变动消息。苹果CEO蒂姆·库克宣布，自2026年9月1日起，他将卸任CEO一职，转而担任执行董事�.. `div.topic-info__bd > a > div.info > p.desc`
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01 `li > div.official-newsbd > div.nums > span`
5小时前 `div.official-newsbd > div.info > div.meta > span.time`
1分钟阅读 `div.official-newsbd > div.info > div.meta > span.readtime`
02 `li > div.official-newsbd > div.nums > span`
5小时前 `div.official-newsbd > div.info > div.meta > span.time`
1分钟阅读 `div.official-newsbd > div.info > div.meta > span.readtime`
03 `li > div.official-newsbd > div.nums > span`
10小时前 `div.official-newsbd > div.info > div.meta > span.time`
1分钟阅读 `div.official-newsbd > div.info > div.meta > span.readtime`
04 `li > div.official-newsbd > div.nums > span`
10小时前 `div.official-newsbd > div.info > div.meta > span.time`
1分钟阅读 `div.official-newsbd > div.info > div.meta > span.readtime`
05 `li > div.official-newsbd > div.nums > span`
11小时前 `div.official-newsbd > div.info > div.meta > span.time`
1分钟阅读 `div.official-newsbd > div.info > div.meta > span.readtime`
06 `li > div.official-newsbd > div.nums > span`
11小时前 `div.official-newsbd > div.info > div.meta > span.time`
1分钟阅读 `div.official-newsbd > div.info > div.meta > span.readtime`
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领券享折上折 `div.product-pics__bd > div.product-pics__item > a > span.z-highlight`
7.33元/月 `div.product-pics__bd > div.product-pics__item > a > span.z-highlight`
62.35元/月 `div.product-pics__bd > div.product-pics__item > a > span.z-highlight`
境外服务器28元/月起 `div.product-pics__bd > div.product-pics__item > a > span.z-highlight`
今晚19:00，REDMI将正式发布REDMI Pad2Pro乐学版，为学习场景带来全新升级体验。此次推出的乐学版，在标准版基础上针对学习场景做了诸多升级。… `li.single-mode > div.info > div.info-limit > p.desc`
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Deezer报告显示，AI生成音乐占其平台每日上传歌曲近44%，约7.5万首，月超200万首。过去一年，AI音乐从小众迅速崛起，用户可通过简单提示生成完整歌曲… `li.single-mode > div.info > div.info-limit > p.desc`
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0.00万热度 `div.title > h4 > a > span.hotchange`
0.00万热度 `div.title > h4 > a > span.hotchange`
0.00万热度 `div.title > h4 > a > span.hotchange`
0.00万热度 `div.title > h4 > a > span.hotchange`
0.01万热度 `div.title > h4 > a > span.hotchange`
0.01万热度 `div.title > h4 > a > span.hotchange`
0.01万热度 `div.title > h4 > a > span.hotchange`
0.01万热度 `div.title > h4 > a > span.hotchange`
0.10万热度 `div.title > h4 > a > span.hotchange`
友情链接 `div.block-inner__between > div.cloumn-center > div.friend-link > span#friend-toggle`
飞鱼科技 `div.block-inner__between > div.cloumn-center > div.friend-link > a`
字体超市 `div.block-inner__between > div.cloumn-center > div.friend-link > a`
亿速云 `div.block-inner__between > div.cloumn-center > div.friend-link > a`
AI产品库 `div.block-inner__between > div.cloumn-center > div.friend-link > a`
图夫设计 `div.block-inner__between > div.cloumn-center > div.friend-link > a`
IT168 `div.block-inner__between > div.cloumn-center > div.friend-link > a`
雷锋网 `div.block-inner__between > div.cloumn-center > div.friend-link > a`
驱动之家 `div.block-inner__between > div.cloumn-center > div.friend-link > a`
19楼 `div.block-inner__between > div.cloumn-center > div.friend-link > a`
博客园 `div.block-inner__between > div.cloumn-center > div.friend-link > a`
51CTO `div.block-inner__between > div.cloumn-center > div.friend-link > a`
三九养生堂 `div.block-inner__between > div.cloumn-center > div.friend-link > a`
驱动中国 `div.block-inner__between > div.cloumn-center > div.friend-link > a`
手机中国 `div.block-inner__between > div.cloumn-center > div.friend-link > a`
i黑马 `div.block-inner__between > div.cloumn-center > div.friend-link > a`
4399手机游戏 `div.block-inner__between > div.cloumn-center > div.friend-link > a`
天眼查 `div.block-inner__between > div.cloumn-center > div.friend-link > a`
聚合数据 `div.block-inner__between > div.cloumn-center > div.friend-link > a`
天天文库 `div.block-inner__between > div.cloumn-center > div.friend-link > a`
AIbase `div.block-inner__between > div.cloumn-center > div.friend-link > a`
AI新闻资讯 `div.block-inner__between > div.cloumn-center > div.friend-link > a`
AI排行榜 `div.block-inner__between > div.cloumn-center > div.friend-link > a`
AI模型排行榜 `div.block-inner__between > div.cloumn-center > div.friend-link > a`
AI基地 `div.block-inner__between > div.cloumn-center > div.friend-link > a`
更多友链》》 `div.block-inner__between > div.cloumn-center > div.friend-link > a`
版权所有本站内容未经书面许可,禁止一切形式的转载。©CopyRight 2002- 2026 CHINAZ.COM Inc All Rights Reser… `div.block-inner__between > div.cloumn-center > div.site-link > p`
2026 `div.cloumn-center > div.site-link > p > span#year`
增值电信业务经营许可证: 闽B2-20120007号 - 闽公网安备 35020302000061号- 闽ICP备08105208号 - 闽网文[2018]1… `div.block-inner__between > div.cloumn-center > div.site-link > p`
闽公网安备 35020302000061号 `div.cloumn-center > div.site-link > p > a`
闽ICP备08105208号 `div.cloumn-center > div.site-link > p > a`
违法和不良信息举报邮箱：yeky@chinaz.com `div.block-inner__between > div.cloumn-center > div.site-link > p`
关于我们 - 联系我们- 广告服务 - 友情链接 - 版权声明 - 人才招聘 - 隐私政策 - 问题反馈 - 投诉举报 `div.block-inner__between > div.cloumn-center > div.site-link > div.about_link`
关于我们 `div.cloumn-center > div.site-link > div.about_link > a`
联系我们 `div.cloumn-center > div.site-link > div.about_link > a`
广告服务 `div.cloumn-center > div.site-link > div.about_link > a`
友情链接 `div.cloumn-center > div.site-link > div.about_link > a`
版权声明 `div.cloumn-center > div.site-link > div.about_link > a`
人才招聘 `div.cloumn-center > div.site-link > div.about_link > a`
隐私政策 `div.cloumn-center > div.site-link > div.about_link > a`
问题反馈 `div.cloumn-center > div.site-link > div.about_link > a`
投诉举报 `div.cloumn-center > div.site-link > div.about_link > a`
中国互联网联合辟谣平台 `div.cloumn-center > div.ext-link > a > span`
中国互联网违法和不良信息举报中心 `div.cloumn-center > div.ext-link > a > span`
官网验证通过创宇信用信誉档案库 `div.cloumn-center > div.ext-link > a > span`
可信网站认证通过中网可信网站身份验证 `div.cloumn-center > div.ext-link > a > span`
wwwchinaz `div.fright > ul.fright-subscribes > li > span`
关注站长之家 `div.fright > ul.fright-subscribes > li > a`
Rss 订阅中心 `div.fright > ul.fright-subscribes > li > a`
网站Sitemap `div.fright > ul.fright-subscribes > li > a`

These are opportunities to improve the legibility of your content.

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.sgray `html.sgray`

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

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
div.search-form > div.search-input > div.append > button.btn `div.search-form > div.search-input > div.append > button.btn`

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.sgray `html.sgray`

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>`

●Form elements have associated labels

●Document has a `<title>` element

●Links are distinguishable without relying on color.

●Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).

●List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements

●Heading elements appear in a sequentially-descending order

●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

○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 buttons have discernible text.

○`<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

○Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.

○`<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

○Image elements do not have `[alt]` attributes that are redundant text.

○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.

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.

	URL	Aspect Ratio (Displayed)	Aspect Ratio (Actual)
AI日报：Kimi K2.6模型发布；腾讯QClaw海外版上线 `div.official-newsbd > div.thumb > a > img`	pic.chinaz.com/2026/0421/26042103260422683955.jpg	365 x 280 (1.30)	1000 x 666 (1.50)
ul.content > li > a > img `ul.content > li > a > img`	a2put.chinaz.com/uploads/20250909/a5aabb367dc6b6b6374ba92c7a5fd50b.jpg	300 x 200 (1.50)	336 x 280 (1.20)
ul.content > li > a > img `ul.content > li > a > img`	a2put.chinaz.com/uploads/20240620/74b206003936400dca62e0d10f736c47.jpg	300 x 200 (1.50)	300 x 150 (2.00)
ul.content > li.current > a > img `ul.content > li.current > a > img`	a2put.chinaz.com/uploads/20240126/0f93b6483cf5bb2da72afda77e21ffd8.gif	300 x 200 (1.50)	300 x 150 (2.00)
6999元起！REDMI Book Pro 2026发布：至高Ultra X7 358H+99Wh巨无霸电池 `li.single-mode > div.thumb > a > img.lazy`	pic.chinaz.com/thumb/2026/0421/2026042122142955801.jpg	150 x 115 (1.30)	180 x 135 (1.33)

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 / Warning	Source
Unload event listeners are deprecated and will be removed.	hm.baidu.com/hm.js?aecc9715b0f5d5f7f34fba48a3c511d6 line 1, col 274

●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 browser errors logged to the console

●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

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
… `li > div.nav-item__bd > div.nav-dropdown > a.nav-dropdown__link`
[登录/注册] `li.nav-item--active > div#chinaz_topbar > div.login-div > a.login-btn`

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
ul.content > li.current > a > img `ul.content > li.current > a > img`
ul.content > li.current > a > img `ul.content > li.current > a > img`
ul.content > li.current > a > img `ul.content > li.current > a > img`
div.product-pics__item > a > div.thumb > img.lazy `div.product-pics__item > a > div.thumb > img.lazy`
div.product-pics__item > a > div.thumb > img.lazy `div.product-pics__item > a > div.thumb > img.lazy`
div.product-pics__item > a > div.thumb > img.lazy `div.product-pics__item > a > div.thumb > img.lazy`
div.product-pics__item > a > div.thumb > img.lazy `div.product-pics__item > a > div.thumb > img.lazy`
ul.content > li.current > a > img `ul.content > li.current > a > img`
ul.content > li.current > a > img `ul.content > li.current > a > img`
ul.content > li.current > a > img `ul.content > li.current > a > img`
ul.content > li.current > a > img `ul.content > li.current > a > img`
ul.content > li.current > a > img `ul.content > li.current > a > img`
ul.content > li.current > a > img `ul.content > li.current > a > img`
div.sc-wrapper__bd > div.sc-topbanner > a > img `div.sc-wrapper__bd > div.sc-topbanner > a > img`
ul.content > li.current > a > img `ul.content > li.current > a > img`
div.site-link > p > a > img `div.site-link > p > a > 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

●Document has a valid `hreflang`

○robots.txt is valid

○Document has a valid `rel=canonical`