Audit or write a page’s main H1 heading. Find missing, repeated, empty, or brand-only headings, then suggest topic-specific text that naturally includes relevant keywords and stays consistent with the page title and content.
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Use when auditing a page's heading structure, generating H1 text for landing pages or blog posts, or reviewing a CMS template that may produce empty or missing H1 elements.
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The H1 is the most prominent heading on a page and a strong on-page ranking signal. Google uses it to understand the page's primary topic. Missing, duplicate, or keyword-free H1 tags reduce topical clarity, hurting rankings for the page's target terms.
<h1> tag that describes the page's primary topic with relevant keywords<title> tag, but they should be topically consistent<h1> tags, multiple <h1> tags on one page, or H1s containing only the brand name are all issues to fixParse the rendered DOM of each page. Count all <h1> elements. Flag: (1) Pages with zero <h1> tags. (2) Pages with more than one <h1> tag. (3) <h1> elements whose text content is empty or contains only whitespace. (4) <h1> elements that contain only the brand name with no page-specific topic. (5) <h1> text that does not reflect the page's primary content topic.
<h1>.display:none or visibility:hidden).<h1>Acme Corp</h1> (brand only)
After: <h1>Project Management Software for Enterprise Teams</h1>Google's John Mueller has confirmed that H1 tags help Google understand page structure. While H1 is not the strongest ranking factor in isolation, it contributes to on-page topical relevance signals. Multiple H1 tags on one page dilute the primary topic signal; a missing H1 leaves a structural gap that reduces confidence in what the page is about.
Query the DOM for all <h1> elements. Assert exactly one exists per page. Check that innerText.trim() is non-empty. Compare H1 text to the page <title> — they should share core topic keywords. Flag if H1 is inside a <header> element shared across all pages (often the site logo alt text) rather than specific to the page content.
For full implementation details, code examples, and framework-specific guidance,
see references/rule.md.
Rule page: https://frontendchecklist.io/rules/seo/h1
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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.
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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.
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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.
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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.
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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.
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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.
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