Free SEO Tools
Check, validate, and audit your site's SEO — one page at a time. Need a full site audit? Try CrawlRaven free.
Free SEO Audit
Run a single-page SEO audit with 25+ checks — title tags, meta descriptions, schema, Core Web Vitals, and more. Get a scored report instantly.
AI Humanizer
Rewrite AI-generated text to sound naturally human. Choose tone, style, platform (X, LinkedIn, Reddit, TikTok), creativity level, and more.
Domain Rating Checker
Check the Domain Rating (DR) of any website on a 0–100 scale — live from the official Ahrefs API. See how strong a site's backlink profile is.
Redirect Chain Checker
Trace every redirect hop with status codes and response times. Detect loops, long chains, protocol downgrades, and 302 misuse.
Canonical Tag Checker
Validate canonical tags — self-referencing, protocol mismatches, trailing slash conflicts, noindex conflicts, and og:url consistency.
Hreflang Validator
Validate hreflang tags for international SEO — self-referencing, return tags, x-default, language codes, and duplicate detection.
Schema & JSON-LD Validator
Validate structured data markup — required properties, date formats, nested entities, and JSON syntax. Supports all major schema types.
Meta Tag Checker
Check title tags, meta descriptions, Open Graph tags, Twitter cards, canonical URLs, robots directives, and viewport settings.
Broken Link Checker
Find broken internal and external links on any page. Checks up to 50 links for 404 errors, redirects, and timeouts.
Robots.txt Tester
Analyze robots.txt — see which AI crawlers and search engines are blocked, find sitemaps, and identify access issues.
Need more than one page at a time?
CrawlRaven crawls your entire site — up to 100,000 pages — with 200+ automated checks and a prioritized fix list. Everything these tools do, at scale.