Browser-Based SEO Audit Tool · Single HTML file
SEO Page Audit
Browser-based SEO audit tool, paste a page, get technical, structural, and performance findings. No server, no signup.
About the project
SEO Page Audit is a free, browser-based SEO and content audit for a site's most-visited pages. Load a Google Analytics 4 export, pick the pages that matter, paste each page's HTML source, and it returns a prioritised report with a downloadable PDF.
It runs entirely in the browser as a single HTML file, with no login, no server and no tracking, so nothing about the site being audited leaves the machine. Pasting the source rather than fetching it is deliberate: it works on pages behind Cloudflare, bot protection or a login, because the source comes from the auditor's own browser.
What it does
- Reads GA4 Pages and Screens exports in any of their formats, including the comment lines GA4 adds, and ranks pages by traffic
- Audits up to 25 pages, with the top 10 pre-selected
- Checks titles, meta descriptions, H1s, thin content, structured data, internal links, canonicals, image alt text, Open Graph and viewport tags
- Scores every page out of 100 from its traffic and the severity of its issues, so the busiest pages with the worst problems come first
- Flags quick wins: fixes that are fast to make and high impact
- Exports a presentation-ready PDF with an executive summary, page-by-page findings and a quick-wins table
- Includes a demo dataset to try it without your own data
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