Find and fix malformed HTML, including unclosed tags, incorrect nesting, and document structure errors. Inspect rendered HTML and HTTP responses to identify specific pages or templates with problems that may affect rendering and search engine parsing.
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Use when auditing metadata, crawlability, structured data, or indexability related to Fix malformed HTML structure. Verify the rendered HTML and HTTP response rather than relying only on source files.
安装前可以查看交给 AI 代理的指令内容。
Malformed HTML can cause rendering issues across browsers and may prevent search engine crawlers from accurately parsing and indexing your content.
Validate the HTML structure of the page to identify any unclosed tags, incorrect nesting, or structural errors.
Correct the malformed HTML by properly closing tags and ensuring all elements are nested according to the HTML5 specification.
Explain how significant HTML errors can impact search engine bot crawling and the accessibility of a website.
Review metadata generation, rendered HTML, structured data, and response headers related to Fix malformed HTML structure. Flag exact routes or templates where search-facing output violates the rule, and describe how to verify the final page output.
For full implementation details, code examples, and framework-specific guidance,
see references/rule.md.
Rule page: https://frontendchecklist.io/rules/seo/broken-html
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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。