Audit the titles, descriptions, images, and URLs shown when web pages are shared on social networks or messaging apps. Check Open Graph metadata, the tags that define link previews, for missing values and incorrect settings.
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Use when auditing a web page's social sharing metadata. Applies to any page users might share on social networks or messaging apps.
安装前可以查看交给 AI 代理的指令内容。
Open Graph tags control how your pages appear when shared on Facebook, LinkedIn, Slack, and other platforms—missing or incorrect tags result in unappealing link previews that reduce click-through rates.
Check the <head> for Open Graph meta tags: og:title, og:description, og:image, og:url, and og:type. Verify all values are non-empty and og:image/og:url use absolute HTTPS URLs.
Add the four required Open Graph meta tags to the <head>: og:title (≤95 chars), og:description (≤200 chars), og:image (absolute HTTPS URL, 1200×630), og:url (canonical absolute URL). Add og:type='website' for standard pages.
Open Graph tags control how this page is displayed when shared on social platforms like Facebook, LinkedIn, and Slack. Without them, platforms fall back to guessing the title, description, and image, often with poor results.
Check the rendered <head> for all five core OG properties: og:title, og:description, og:image, og:url, og:type. Verify og:image and og:url values start with 'https://'. Flag any empty content attributes. Compare og:url against the canonical tag — they must match exactly.
For full implementation details, code examples, and framework-specific guidance,
see references/rule.md.
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Create and review custom 404 pages that help visitors recover from broken or moved links through search and navigation. Check the rendered page and HTTP response so missing content returns a proper 404 status.
中文简介正在准备中。当前显示英语简介。
Audit or create a dedicated About page that explains a website’s purpose and identifies its people or organization. Review the rendered output and supporting information, including expertise and contact details, to find gaps.
中文简介正在准备中。当前显示英语简介。
Review and add automated accessibility checks for components, pages, and continuous integration workflows. Use axe-based tools to detect structural and attribute issues, while identifying checks that still need keyboard or screen reader testing.
中文简介正在准备中。当前显示英语简介。
Review sign-in, registration, multi-factor authentication, and account recovery for accessibility barriers. Find blocked paste, difficult code entry, and inaccessible backup methods, then suggest authentication paths that support password managers, autofill, or device approval.
中文简介正在准备中。当前显示英语简介。
Review form errors, success messages, and live updates so screen reader users receive important notifications. Check the HTML delivered to the browser, announcement settings, display duration, and dismissal controls, then identify specific elements that need changes.
中文简介正在准备中。当前显示英语简介。
Review HTML tables so screen reader users can understand how headers and data relate. Check header markup, table descriptions, and merged cells, then identify specific fixes and ways to verify them.
中文简介正在准备中。当前显示英语简介。