Free plan: 3 total audits, page or site audit, compare up to 3 URLs, 3 competitor analyses, up to 20 pages per crawl, basic SEO recommendations, 1 Google Search Console connection. Growth plan: $19/month for unlimited page and site audits, unlimited competitor analyses, compare up to 20 URLs, up to
Key features
Check HTML rendering without JavaScript execution
Test robots.txt for ChatGPT, Claude, Perplexity, Gemini, Copilot and other AI assistants
Detect Cloudflare and other protection systems
Analyze title, description, language, canonical address and headings
Review structured data and FAQ markup
Check llms.txt and sitemap
Extract contact information from page text
Identify the site's technology platform
Open source MIT licensed engine
21+ SEO checks including title tags, meta descriptions, headings, schema markup, and technical SEO
Instant analysis in under 1 minute
Prioritized report with Critical, Warning, and Passed checks
Export reports as PDF or Markdown
Competitor website analysis
17 free SEO tools including Schema Markup Generator and Google SERP Preview
Google Search Console integration
Mobile friendly and accessibility checks
Domain Rating Checker to analyze backlink strength
Meta Tag Generator and UTM Link Builder tools
What makes it different
Tests how multiple AI assistants read your site simultaneously
Provides tailored recommendations based on your site's technology
Fully free with no login required
Open source engine available for command line use
No signup required for free audits
Read-only analysis that doesn't modify your website
Actionable recommendations prioritized by severity
All-in-one platform with 17 SEO tools bundled together
Analyze any publicly accessible website including competitors
Readable
SEO Rank