Website SEO & Performance Audit

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Paste HTML and detect elements with aria‑hidden='true' that contain focusable children. An easy a11y win to fix.

Accessibility a11y aria‑hidden audit conflict

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Enter a website and check which security headers (HSTS, CSP, X‑Frame‑Options) are present. Get a security grade.

Network audit CSP HSTS security headers

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Enter a URL and fetch its text/background colors to perform a bulk contrast check. See warnings for WCAG violations.

Accessibility accessibility audit contrast URL

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Paste your CSS and see rules sorted by specificity. Find overrides and potential collisions. Understand your cascade.

Debugging audit CSS sort specificity

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Answer questions about your page (image size, caching, fonts) and get a tailored list of optimization tips. Manual audit helper.

Performance audit checklist lighthouse performance

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Paste HTML or Markdown to count total words, unique words, heading distribution, and reading time. Content audit helper.

SEO audit content inventory headings words

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Enter a URL and get a one‑page report of titles, description, headings, image alts, and broken links. All from browser.

Developer Tools audit checker performance SEO

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Enter a URL and see a preview of how it will appear when shared on Facebook, Twitter, LinkedIn. Detect missing tags.

Developer Tools audit Open Graph preview social

Tag: Website SEO & Performance Audit