Accessibility
· 13 checks — Landmarks, headings, alt text, forms, and link quality rolled into one auditable list.FAlt Text QualityAction29 of 229 images have issuesFIX
| Issue | Count |
|---|---|
| missing | 29 image(s) |
Images without alt text are invisible to screen readers.
Each image without alt text is a WCAG 1.1.1 failure — invisible to screen-reader users, lost from Google Image Search.
Learn more ▾ ▴
WCAG 2.1 Level A requires text alternatives for non-decorative images. Empty alt='' is fine for decorative; meaningful images need descriptive text. Common fixes: CMS audit + bulk add, build-time linter (alt-text-required ESLint rule), CI gate on Lighthouse a11y score.
Source: WCAG 2.1 SC 1.1.1 / WebAIM Million Report
An image inside a link with no alt creates an empty link.
Image-only links with no alt create empty links — screen-reader users hear 'link' with no destination context.
Learn more ▾ ▴
An <a><img></a> with no img alt is the worst-case for accessibility: AT announces the link but can't describe where it goes. Either add alt to the image OR add aria-label to the link.
Source: WCAG 2.1 SC 2.4.4
FLink & Button QualityAction30 issue(s) across 195 links and 15 buttonsFIX
| Element | Text | Issue | Suggested Fix |
|---|---|---|---|
| https://www.csdn.net/ | (empty) | empty | Add link text or aria-label |
| https://mall.csdn.net/vip?utm_source=dl_… | 新客开通会员 立减60 | img no alt | Add alt attribute to the image |
| https://mall.csdn.net/vip?utm_source=260… | 会员·新人礼包 | img no alt | Add alt attribute to the image |
| https://www.csdn.net/ | (empty) | empty | Add link text or aria-label |
| https://www.csdn.net | 首页 | img no alt | Add alt attribute to the image |
| https://blog.csdn.net | 博客 | img no alt | Add alt attribute to the image |
| https://download.csdn.net | 下载 | img no alt | Add alt attribute to the image |
| https://edu.csdn.net?utm_source=zhuzhant… | 学习 | img no alt | Add alt attribute to the image |
| https://devpress.csdn.net/ | 社区 | img no alt | Add alt attribute to the image |
| https://ai.csdn.net/ | GPU算力 | new tab | Add '(opens in new tab)' to text |
| https://ai.csdn.net/chat?utm_source=ckno… | AI搜索 | new tab | Add '(opens in new tab)' to text |
| https://link.csdn.net?target=https%3A%2F… | AtomGit | new tab | Add '(opens in new tab)' to text |
| https://inscode.net?utm_source=csdn_home… | InsCode | new tab | Add '(opens in new tab)' to text |
| https://summit.csdn.net/ | 技术会议 | new tab | Add '(opens in new tab)' to text |
| https://www.csdn.net/i/purchased_new | 订阅 | img no alt | Add alt attribute to the image |
| https://www.csdn.net/i/follow | 关注 | img no alt | Add alt attribute to the image |
| https://www.csdn.net/i/collections | 收藏 | img no alt | Add alt attribute to the image |
| https://www.csdn.net/i/history | 历史 | img no alt | Add alt attribute to the image |
| https://mall.csdn.net/vip?utm_source=vip… | 会员中心 | new tab | Add '(opens in new tab)' to text |
| https://mp.csdn.net/ | 创作中心 | new tab | Add '(opens in new tab)' to text |
| https://ai.csdn.net/workbench/wallet?utm… | 我的算力 | new tab | Add '(opens in new tab)' to text |
| mailto:webmaster@csdn.net | kefu@csdn.net | new tab | Add '(opens in new tab)' to text |
| https://csdn.s2.udesk.cn/im_client/?web_… | 在线客服 | new tab | Add '(opens in new tab)' to text |
| //www.csdn.net/company/index.html#about | 关于我们 | new tab | Add '(opens in new tab)' to text |
| //www.csdn.net/company/index.html#recrui… | 招贤纳士 | new tab | Add '(opens in new tab)' to text |
| https://fsc-p05.txscrm.com/T8PN8SFII7W | 商务合作 | new tab | Add '(opens in new tab)' to text |
| //marketing.csdn.net/questions/Q22021817… | 寻求报道 | new tab | Add '(opens in new tab)' to text |
| https://www.vcg.com | 视觉中国 | new tab | Add '(opens in new tab)' to text |
| https://500px.com | 500px | new tab | Add '(opens in new tab)' to text |
| https://www.zhipin.com | 直聘网 | new tab | Add '(opens in new tab)' to text |
| https://www.uisdc.com | 优设网 | new tab | Add '(opens in new tab)' to text |
| https://wenku.csdn.net | CSDN文库 | new tab | Add '(opens in new tab)' to text |
| https://download.csdn.net | CSDN下载 | new tab | Add '(opens in new tab)' to text |
| https://ask.csdn.net | CSDN问答 | new tab | Add '(opens in new tab)' to text |
| http://beian.miit.gov.cn/publish/query/i… | 京ICP备19004658号 | new tab | Add '(opens in new tab)' to text |
| https://csdnimg.cn/cdn/content-toolbar/c… | 经营性网站备案信息 | new tab | Add '(opens in new tab)' to text |
| http://www.beian.gov.cn/portal/registerS… | 公安备案号11010502030143 | new tab | Add '(opens in new tab)' to text |
| https://img-home.csdnimg.cn/images/20250… | 营业执照 | new tab | Add '(opens in new tab)' to text |
| http://www.bjjubao.org.cn | 北京互联网违法和不良… | new tab | Add '(opens in new tab)' to text |
| https://download.csdn.net/tutelage/home | 家长监护 | new tab | Add '(opens in new tab)' to text |
| https://www.12377.cn | 中国互联网举报中心 | new tab | Add '(opens in new tab)' to text |
| https://cyberpolice.mps.gov.cn | 网络110报警服务 | new tab | Add '(opens in new tab)' to text |
| https://chrome.google.com/webstore/detai… | Chrome商店下载 | new tab | Add '(opens in new tab)' to text |
| https://blog.csdn.net/blogdevteam/articl… | 账号管理规范 | new tab | Add '(opens in new tab)' to text |
| https://www.csdn.net/company/index.html#… | 版权与免责声明 | new tab | Add '(opens in new tab)' to text |
| https://blog.csdn.net/blogdevteam/articl… | 版权申诉 | new tab | Add '(opens in new tab)' to text |
| https://img-home.csdnimg.cn/images/20250… | 出版物许可证 | new tab | Add '(opens in new tab)' to text |
| https://harmonyosdev.csdn.net/ | HarmonyOS | new tab | Add '(opens in new tab)' to text |
| https://labs.csdn.net | AI开发者构建专区 | new tab | Add '(opens in new tab)' to text |
| https://blog.csdn.net/csdnnews/article/d… | 马斯克、埃里森曾请吃… | new tab | Add '(opens in new tab)' to text |
| https://blog.csdn.net/weixin_39786569/ar… | 突发!苹果官宣:库克… | new tab | Add '(opens in new tab)' to text |
| https://blog.csdn.net/csdnnews/article/d… | 00后被逼用50年代打字… | new tab | Add '(opens in new tab)' to text |
| https://blog.csdn.net/csdnnews/article/d… | 不再迷信Hackathon,把Age… | new tab | Add '(opens in new tab)' to text |
| https://blog.csdn.net/csdnnews/article/d… | 开源5年后突然“关门… | new tab | Add '(opens in new tab)' to text |
| https://blog.csdn.net/csdnnews/article/d… | Agent正杀入软件研发一… | new tab | Add '(opens in new tab)' to text |
| https://gitcode.com/atomgit_atomcode/ato… | AtomCode:开源轻量代码… | new tab | Add '(opens in new tab)' to text |
| https://gitcode.com/MoonshotAI/Kimi-K2.6… | MoonshotAI Kimi-K2.6:开源… | new tab | Add '(opens in new tab)' to text |
| https://gitcode.com/MiniMax-AI/MiniMax-M… | MiniMax-M2.7:开源多模态… | new tab | Add '(opens in new tab)' to text |
| https://gitcode.com/paddlepaddle/ERNIE-I… | ERNIE-Image:飞桨生态下… | new tab | Add '(opens in new tab)' to text |
| https://gitcode.com/GitHub_Trending/an/a… | 汇总Andrej Karpathy技能清… | new tab | Add '(opens in new tab)' to text |
| https://gitcode.com/GitHub_Trending/he/h… | hermes-agent:GitHub Trending… | new tab | Add '(opens in new tab)' to text |
| https://blog.csdn.net/coderroad/article/… | Chaterm — 开源SRE副驾驶… | new tab | Add '(opens in new tab)' to text |
| https://blog.csdn.net/coderroad/article/… | 拆箱开源版Coze:Agent核… | new tab | Add '(opens in new tab)' to text |
| https://blog.csdn.net/coderroad/article/… | MinIO:开源对象存储解… | new tab | Add '(opens in new tab)' to text |
| https://blog.csdn.net/coderroad/article/… | LocalSend:比 AirDrop 更自… | new tab | Add '(opens in new tab)' to text |
| https://blog.csdn.net/coderroad/article/… | Excalidraw:一款轻量、… | new tab | Add '(opens in new tab)' to text |
| https://blog.csdn.net/coderroad/article/… | star31.6k,Aider:让代码… | new tab | Add '(opens in new tab)' to text |
| https://blog.csdn.net/coderroad/article/… | 用Rust编写的开源支付… | new tab | Add '(opens in new tab)' to text |
| https://blog.csdn.net/coderroad/article/… | Langflow:这个拖拽式AI… | new tab | Add '(opens in new tab)' to text |
| https://blog.csdn.net/coderroad/article/… | 一键抠图有多强?19Ksta… | new tab | Add '(opens in new tab)' to text |
| https://blog.csdn.net/coderroad/article/… | CHATERM AI:开启云资源… | new tab | Add '(opens in new tab)' to text |
| https://blog.csdn.net/rank/list | 排行榜 | new tab | Add '(opens in new tab)' to text |
| https://blog.csdn.net/TwoCat_C | Jul1en_ | new tab | Add '(opens in new tab)' to text |
| https://blog.csdn.net/TwoCat_C/article/d… | 【Claude Code】带你理解… | new tab | Add '(opens in new tab)' to text |
| https://blog.csdn.net/TwoCat_C/article/d… | 中文语义就是检索增强… | new tab | Add '(opens in new tab)' to text |
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| https://blog.csdn.net/TwoCat_C/article/d… | (empty) | empty | Add link text or aria-label |
| https://blog.csdn.net/2403_87165176 | 爱吃生蚝的于勒 | new tab | Add '(opens in new tab)' to text |
| https://blog.csdn.net/2403_87165176/arti… | 【Linux】IP协议 | new tab | Add '(opens in new tab)' to text |
| https://blog.csdn.net/2403_87165176/arti… | 讲解ip协议+路由器 | new tab | Add '(opens in new tab)' to text |
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| https://blog.csdn.net/Fanfanaas | Fanfanaas | new tab | Add '(opens in new tab)' to text |
| https://blog.csdn.net/Fanfanaas/article/… | Linux 系统编程 进程篇 … | new tab | Add '(opens in new tab)' to text |
| https://blog.csdn.net/Fanfanaas/article/… | 环境变量一般是指操作… | new tab | Add '(opens in new tab)' to text |
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| https://blog.csdn.net/dog250 | dog250 | new tab | Add '(opens in new tab)' to text |
| https://blog.csdn.net/dog250/article/det… | 阿基米德的抛物线弓形… | new tab | Add '(opens in new tab)' to text |
| https://blog.csdn.net/dog250/article/det… | 若使用解析几何,这问… | new tab | Add '(opens in new tab)' to text |
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| https://blog.csdn.net/mdx3SaX3T/article/… | 2026使用Alpine配置WSL ssh… | new tab | Add '(opens in new tab)' to text |
| https://blog.csdn.net/mdx3SaX3T/article/… | ax2.scatter(sales_2022, y_pos,… | new tab | Add '(opens in new tab)' to text |
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| https://blog.csdn.net/m0_74940532 | AllenWangSQ | new tab | Add '(opens in new tab)' to text |
| https://blog.csdn.net/m0_74940532/articl… | Windows + Linux 双系统 完… | new tab | Add '(opens in new tab)' to text |
| https://blog.csdn.net/m0_74940532/articl… | ## 3. BIOS必做设置1. 重… | new tab | Add '(opens in new tab)' to text |
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| https://blog.csdn.net/weixin_39789918 | 华盛AI | new tab | Add '(opens in new tab)' to text |
| https://blog.csdn.net/weixin_39789918/ar… | Cursor 3 发布 — AI编程… | new tab | Add '(opens in new tab)' to text |
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| https://blog.csdn.net/Victoria551/articl… | 新编大学德语1第三版… | new tab | Add '(opens in new tab)' to text |
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| https://blog.csdn.net/weixin_75159604 | X journey | new tab | Add '(opens in new tab)' to text |
| https://blog.csdn.net/weixin_75159604/ar… | 机器学习进阶(13):… | new tab | Add '(opens in new tab)' to text |
| https://blog.csdn.net/weixin_75159604/ar… | 支持向量机(SVM)是一种… | new tab | Add '(opens in new tab)' to text |
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| https://blog.csdn.net/m0_46085118 | 北风toto | new tab | Add '(opens in new tab)' to text |
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| https://blog.csdn.net/m0_59777389 | 保持持续学习 | new tab | Add '(opens in new tab)' to text |
| https://blog.csdn.net/m0_59777389/articl… | 模型的评价指标(分类… | new tab | Add '(opens in new tab)' to text |
| https://blog.csdn.net/m0_59777389/articl… | 任务类型关键指标核心… | new tab | Add '(opens in new tab)' to text |
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| https://live.csdn.net/room/csdnnews/zoNL… | CANNBot TileLang 热度… | img no alt | Add alt attribute to the image |
| https://live.csdn.net/room/m0_71340392/d… | CANNBot PyPTO 算子开发实… | img no alt | Add alt attribute to the image |
| https://live.csdn.net/room/csdnnews/X1zc… | CANNBot PyPTO开发 热… | img no alt | Add alt attribute to the image |
| https://huiyi.csdn.net/ | 更多 | new tab | Add '(opens in new tab)' to text |
| https://edu.csdn.net?utm_source=learninn… | 更多 | new tab | Add '(opens in new tab)' to text |
| https://edu.csdn.net/course/detail/772 | VIP Java之路 张中强 共 … | new tab | Add '(opens in new tab)' to text |
| https://edu.csdn.net/course/detail/207 | VIP 韦东山嵌入式Linux… | new tab | Add '(opens in new tab)' to text |
| https://edu.csdn.net/course/detail/5247 | VIP 编程可以这样学 张… | new tab | Add '(opens in new tab)' to text |
| https://edu.csdn.net/course/detail/2925 | VIP Java入门教程初级 … | new tab | Add '(opens in new tab)' to text |
| https://edu.csdn.net/course/detail/852 | VIP Spring4 视频教程 佟… | new tab | Add '(opens in new tab)' to text |
| https://edu.csdn.net/course/detail/535 | VIP 8小时学会HTML网页… | new tab | Add '(opens in new tab)' to text |
| 返回顶部 | img no alt | Add alt attribute to the image | |
| <button> | (empty) | empty | Add button text or aria-label |
| <button> | (empty) | empty | Add button text or aria-label |
| <button> | (empty) | empty | Add button text or aria-label |
| <button> | (empty) | empty | Add button text or aria-label |
| <button> | (empty) | empty | Add button text or aria-label |
| <button> | (empty) | empty | Add button text or aria-label |
| <button> | (empty) | empty | Add button text or aria-label |
| <button> | (empty) | empty | Add button text or aria-label |
| <button> | (empty) | empty | Add button text or aria-label |
| <button> | (empty) | empty | Add button text or aria-label |
| <button> | (empty) | empty | Add button text or aria-label |
| <button> | (empty) | empty | Add button text or aria-label |
| <button> | (empty) | empty | Add button text or aria-label |
| <button> | (empty) | empty | Add button text or aria-label |
Links without text are announced as raw URLs by screen readers.
https://www.csdn.net/; https://www.csdn.net/; https://blog.csdn.net/TwoCat_C/article/details/160118845; https://blog.csdn.net/2403_87165176/article/details/159553788; https://blog.csdn.net/m0_74940532/article/details/159769650; https://blog.csdn.net/weixin_39789918/article/details/159927498; https://blog.csdn.net/m0_71444338/article/details/159829701; https://blog.csdn.net/Victoria551/article/details/159281692; https://blog.csdn.net/sjw890821sjw/article/details/160196343; https://blog.csdn.net/weixin_75159604/article/details/159856601 (+6 more)
Links with no accessible text (empty <a></a>, image-only no alt, icon-only no aria-label) are unidentifiable to screen readers.
Source: WCAG 2.1 SC 2.4.4
Image-only links need alt text on the image (or aria-label on the link) so screen readers can announce them.
a[href="https://mall.csdn.net/vip?utm_source=dl_hover"]; a[href="https://mall.csdn.net/vip?utm_source=260409_vip_toolbarhyzx_hy"]; a[href="https://www.csdn.net"]; a[href="https://blog.csdn.net"]; a[href="https://download.csdn.net"]; a[href="https://edu.csdn.net?utm_source=zhuzhantoolbar"]; a[href="https://devpress.csdn.net/"]; a[href="https://ai.csdn.net/"]; a[href="https://ai.csdn.net/chat?utm_source=cknow_pc_homeleft"]; a[href="https://link.csdn.net?target=https%3A%2F%2Fgitcode.com%3Futm_source%3Dcsdn_to…"] (+83 more)
Image-only links with no alt are unidentifiable to screen-reader users — link's destination is invisible.
Source: WCAG 2.1 SC 2.4.4
Add '(opens in new tab)' to link text or aria-label.
mailto:webmaster@csdn.net; https://csdn.s2.udesk.cn/im_client/?web_plugin_id=29181; //www.csdn.net/company/index.html#about; //www.csdn.net/company/index.html#recruit; https://fsc-p05.txscrm.com/T8PN8SFII7W; //marketing.csdn.net/questions/Q2202181748074189855; https://www.vcg.com; https://500px.com; https://www.zhipin.com; https://www.uisdc.com (+66 more)
Links with target="_blank" without rel="noopener" leak the originating page's window context — security and UX issue.
Learn more ▾ ▴
Without rel="noopener", the new tab can navigate the original tab via window.opener (tab-nabbing attack). Modern browsers default to noopener for target=_blank but only since recent versions. Always set rel="noopener noreferrer" explicitly.
Source: MDN target / OWASP
Icon-only buttons need an aria-label so screen readers can announce them.
button.el-carousel__arrow (#412 on page); button.el-carousel__arrow (#414 on page); button.el-carousel__button (#624 on page); button.el-carousel__button (#626 on page); button.el-carousel__button (#628 on page); button.el-carousel__button (#630 on page); button.el-carousel__arrow (#1221 on page); button.el-carousel__arrow (#1223 on page); button.el-carousel__button (#1256 on page); button.el-carousel__button (#1258 on page) (+4 more)
Buttons with no accessible text (icon-only, no aria-label) can't be activated by voice control or understood by screen readers.
Source: WCAG 2.1 SC 4.1.2
F404 Error PageActionHTTP 521, bare pageFIX
FFavicon & BrandingAction1 icon(s) detectedFIX
DWeb ManifestActionNot foundFIX
No web manifest found.
DDark Mode SupportActionNo dark mode signalsFIX
Detection limited to meta tags and inline styles.
DPrint StylesheetActionNo print stylesFIX
DLighthouse Accessibility AuditsActionScore 68/100 — 7 failing, 15 passedFIX
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.
ARIA
When an element doesn't have an accessible name, screen readers announce it with a generic name, making it unusable for users who rely on screen readers. Learn how to make command elements more accessible.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
div.van-dropdown > div.van-dropdown-menu > div.van-dropdown-menu__bar > div.van-dropdown-menu__item div.van-dropdown > div.van-dropdown-menu > div.van-dropdown-menu__bar > div.van-dropdown-menu__item |
These are opportunities to improve the usage of ARIA in your application which 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.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
关注 div#floor-content_885 > div.floor-blog-content > div.blog-cont-type > p |
资讯 div#floor-content_885 > div.floor-blog-content > div.blog-cont-type > p |
热榜 div#floor-content_885 > div.floor-blog-content > div.blog-cont-type > p |
动态 div#floor-content_885 > div.floor-blog-content > div.blog-cont-type > p |
有红包 div#floor-content_885 > div.floor-blog-content > div.blog-cont-type > p |
601阅读 · 0评论 div.blog-recom-item > div.recom-content > dl > dd.desc |
381阅读 · 0评论 div.blog-recom-item > div.recom-content > dl > dd.desc |
207阅读 · 0评论 div.blog-recom-item > div.recom-content > dl > dd.desc |
66阅读 · 0评论 div.blog-recom-item > div.recom-content > dl > dd.desc |
77阅读 · 0评论 div.blog-recom-item > div.recom-content > dl > dd.desc |
601阅读 · 20评论 div.blog-recom-item > div.recom-content > dl > dd.desc |
701阅读 · 0评论 div.blog-recom-item > div.recom-content > dl > dd.desc |
108阅读 · 0评论 div.blog-recom-item > div.recom-content > dl > dd.desc |
234阅读 · 0评论 div.blog-recom-item > div.recom-content > dl > dd.desc |
393阅读 · 0评论 div.blog-recom-item > div.recom-content > dl > dd.desc |
439阅读 · 0评论 div.blog-recom-item > div.recom-content > dl > dd.desc |
77阅读 · 0评论 div.blog-recom-item > div.recom-content > dl > dd.desc |
339阅读 · 0评论 div.blog-recom-item > div.recom-content > dl > dd.desc |
201阅读 · 0评论 div.blog-recom-item > div.recom-content > dl > dd.desc |
205阅读 · 0评论 div.blog-recom-item > div.recom-content > dl > dd.desc |
10阅读 · 3回答 div.blog-recom-item > div.recom-content > dl > dd.desc |
1530阅读 · 59评论 div.blog-recom-item > div.recom-content > dl > dd.desc |
312阅读 · 0评论 div.blog-recom-item > div.recom-content > dl > dd.desc |
191阅读 · 0评论 div.blog-recom-item > div.recom-content > dl > dd.desc |
These are opportunities to improve the legibility of your content.
Tables and lists
When definition lists are not properly marked up, screen readers may produce confusing or inaccurate output. Learn how to structure definition lists correctly.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
实测文心大模型X1与文心大模型4.5,我们发现了这些惊喜
3月16日,百度文心大模型4.5如约正式上线,还惊喜发布了另一款新模型——文心大模型X1。 div.hot-item > div.hot-content > a.top > dl |
华为PC全面转鸿蒙
开发者称Cursor拒绝帮写代码| 极客头条 div.hot-item > div.hot-content > a.top > dl |
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
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.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
div.csdn-toolbar-box > div.mToolbarL > a.logo > img.logo div.csdn-toolbar-box > div.mToolbarL > a.logo > img.logo |
div.csdn-toolbar-box > div.rightmenu > div.toolbarBack > img#mToolbarHome div.csdn-toolbar-box > div.rightmenu > div.toolbarBack > img#mToolbarHome |
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.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
div.blog-cont-cont > div.blog-recom-item > div.recom-content > a.image div.blog-cont-cont > div.blog-recom-item > div.recom-content > a.image |
div.blog-cont-cont > div.blog-recom-item > div.recom-content > a.image div.blog-cont-cont > div.blog-recom-item > div.recom-content > a.image |
div.blog-cont-cont > div.blog-recom-item > div.recom-content > a.image div.blog-cont-cont > div.blog-recom-item > div.recom-content > a.image |
div.blog-cont-cont > div.blog-recom-item > div.recom-content > a.image div.blog-cont-cont > div.blog-recom-item > div.recom-content > a.image |
div.blog-cont-cont > div.blog-recom-item > div.recom-content > a.image div.blog-cont-cont > div.blog-recom-item > div.recom-content > a.image |
div.blog-cont-cont > div.blog-recom-item > div.recom-content > a.image div.blog-cont-cont > div.blog-recom-item > div.recom-content > a.image |
div.blog-cont-cont > div.blog-recom-item > div.recom-content > a.image div.blog-cont-cont > div.blog-recom-item > div.recom-content > a.image |
div.blog-cont-cont > div.blog-recom-item > div.recom-content > a.image div.blog-cont-cont > div.blog-recom-item > div.recom-content > a.image |
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.
Best practices
Disabling zooming is problematic for users with low vision who rely on screen magnification to properly see the contents of a web page. Learn more about the viewport meta tag.
Informational: a Permissions-Policy directive showing feature -> allowed origins.
Source: MDN Permissions-Policy
| Failing Elements |
|---|
head > meta head > meta |
One main landmark helps screen reader users navigate a web page. Learn more about landmarks.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
html html |
These items highlight common accessibility best practices.
CLandmark StructureAction2 landmarksREVIEW
Add a skip link as the first focusable element so keyboard users can bypass repeated navigation.
Without a skip-nav link, keyboard users tab through every nav item before reaching content — every page, every visit.
Learn more ▾ ▴
WCAG 2.4.1 (Bypass Blocks) requires a mechanism to skip past repeated content. The standard implementation is a 'Skip to main content' link that's the first focusable element, visually hidden until focused. Three lines of HTML + four of CSS.
Source: WCAG 2.1 SC 2.4.1
BHeading Hierarchy8 headingsREVIEW
- H3 社区推荐
- H3 直播
- H3 【企业对话专场】xLLM大模型推理优化之路
- H3 CANNBot TileLang
- H3 CANNBot PyPTO 算子开发实操
- H3 CANNBot PyPTO开发
- H3 活动日历
- H3 精品课程
Every page should have one H1 that describes the page content.
No H1 means screen-reader users can't identify the page's primary topic, and Google's content-extraction degrades.
Learn more ▾ ▴
The H1 is the document title for assistive tech and a strong signal to search engines about page topic. Pages without one force screen readers to fall back to the <title> attribute or page chrome. Add a single H1 that names the page's primary subject.
Source: WCAG 2.4.6 / Google Search Central
BForm Accessibility2 of 5 controls have issuesREVIEW
| Control | Type | Label | Method |
|---|---|---|---|
| #tab0 | radio | 下载 APP | for/id |
| #tab1 | radio | 公众号 | for/id |
| #tab2 | radio | 视频号 | for/id |
| #toolbar-search-input | text | (搜CSDN) | placeholder only |
| input | password | (none) | none |
Form controls need a <label>, aria-label, or aria-labelledby for screen readers.
<input type="password">
Form controls without labels — assistive tech announces 'edit text' with no context; users can't complete forms.
Source: WCAG 2.1 SC 3.3.2
Placeholder text disappears on focus and is not a reliable label.
<input type="text" id="toolbar-search-input">
Placeholder-only labels disappear when the user starts typing — they must remember what the field was for.
Learn more ▾ ▴
Placeholders are NOT labels. They vanish on input, fail color contrast checks (most are gray), and don't satisfy WCAG SC 3.3.2. Always use a real <label> alongside (or aria-labelledby).
Source: WCAG 2.1 SC 3.3.2 / Nielsen Norman
CColor Contrast (Screenshot)Action20 text elements analyzed, 2 fail WCAG AAREVIEW
Analyzes text contrast against the actual rendered page, including background images, gradients, and overlays that CSS-based tools cannot detect.
2 contrast failures on background images/gradients
These failures are invisible to CSS-based accessibility tools like Lighthouse. The text may be fine on a solid background, but fails when rendered over an image or gradient.
Show all checked elements (20)
| Element | Ratio | Required | FG | BG | Result |
|---|---|---|---|---|---|
| h3 社区推荐 | 21.00:1 | 3.0:1 | #000000 | #FFFFFF | Pass |
| h3 直播 | 21.00:1 | 3.0:1 | #000000 | #FFFFFF | Pass |
| h3 【企业对话专… | 21.00:1 | 3.0:1 | #000000 | #FFFFFF | Pass |
| h3 CANNBot TileLang | 21.00:1 | 3.0:1 | #000000 | #FFFFFF | Pass |
| h3 CANNBot PyPTO 算子… | 21.00:1 | 3.0:1 | #000000 | #FFFFFF | Pass |
| h3 CANNBot PyPTO开发 | 21.00:1 | 3.0:1 | #000000 | #FFFFFF | Pass |
| h3 活动日历 | 21.00:1 | 3.0:1 | #000000 | #FFFFFF | Pass |
| h3 精品课程 | 21.00:1 | 3.0:1 | #000000 | #FFFFFF | Pass |
| title CSDN_专业开发者… | 20.08:1 | 4.5:1 | #000000 | #F9FAFA | Pass |
| span 搜索 | 20.31:1 | 4.5:1 | #000000 | #FBFBFC | Pass |
| span AI 搜索 | 21.00:1 | 4.5:1 | #000000 | #FFFFFF | Pass |
| a 登录 | 19.44:1 | 4.5:1 | #000000 | #F0F7FE | Pass |
| div 登录后您可以… | 10.15:1 | 4.5:1 | #000000 | #82B7FE | Pass |
| li 复制代码和一… | 8.58:1 | 4.5:1 | #000000 | #79A5FA | Pass |
| li 与博主大V深度… | 21.00:1 | 4.5:1 | #000000 | #FFFFFF | Pass |
| li 解锁海量精选… | 21.00:1 | 4.5:1 | #000000 | #FFFFFF | Pass |
| li 获取前沿技术… | 6.29:1 | 4.5:1 | #000000 | #9976F7 | Pass |
| a 立即登录 | 5.34:1 | 4.5:1 | #000000 | #8F66F1 | Pass |
| a 新客开通会员 | 3.00:1 | 4.5:1 | #000000 | #633ACB | Fail |
| span 立减60 | 2.25:1 | 4.5:1 | #000000 | #4A3F73 | Fail |
Methodology: The top 20 text elements by font size were checked. Background color was sampled from the desktop screenshot using a 5-point pattern. WCAG 2.1 AA requires 4.5:1 for normal text and 3:1 for large text.