CODESALA.
20 free tools

Free SEO Audit & Website Analysis Tools

Crawl and grade any page. Use all 20 audit & analysis tools below instantly. No login required, results in seconds, free forever.

Technical and on-page problems are the most common reason good pages fail to rank — and the easiest to fix once you can see them. These audit tools check any URL the way a search engine crawler does: titles and meta tags, heading structure, images, links, canonical and robots directives, speed, mobile readiness, security headers, redirects, DNS and SSL.

Start with the SEO Audit for an overall score, then drill into the specific checker for each issue it flags. Every tool runs instantly in your browser with no account required.

SEO Audit Full on-page SEO health report for any URL. Open tool → Meta Tags Analyzer Inspect & grade title, description, OG and Twitter tags. Open tool → Keyword Density Checker See which words a page is really optimised for. Open tool → Heading Structure Analyzer Visualise the H1–H6 outline and spot structure issues. Open tool → Image ALT Checker Find images missing ALT text that hurt accessibility & SEO. Open tool → Broken Link Checker Crawl a page and flag dead 4xx/5xx links. Open tool → Page Speed Analyzer Measure load time, page weight and request hints. Open tool → Mobile-Friendly Test Check viewport, tap targets and responsive signals. Open tool → Canonical & Index Checker Verify canonical tags, robots meta and indexability. Open tool → Hreflang Checker Audit international hreflang annotations. Open tool → Robots.txt Tester Fetch and validate a live robots.txt file. Open tool → Word & Readability Counter Word count, reading time and Flesch readability score. Open tool → HTTP Header & Security Checker Inspect response headers and grade security headers. Open tool → Redirect Checker Trace the full 301/302 redirect chain of any URL. Open tool → DNS Records Lookup View A, AAAA, MX, TXT, NS & CNAME records. Open tool → SSL Certificate Checker Check SSL validity, issuer and expiry days. Open tool → Email & Social Extractor Pull emails & social profiles from any page. Open tool → Sitemap Finder & Validator Locate and validate a site’s XML sitemap. Open tool → Website Tech Detector Detect CMS, frameworks & tools a site is built on. Open tool → Website Lookup (Full Info) Everything about a site: tech stack, hosting, server location, IP, DNS & SSL. Open tool →

Frequently asked questions

Which audit tool should I use first?

Start with the SEO Audit for an overall picture, then use the specific checkers for each issue it reports.

Are these tools really free?

Yes. All audit tools are free with no login required. A free account only adds report downloads and history.

Can I audit a competitor’s website?

Yes. The tools read publicly available pages, so you can analyse any site.

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