Readable vs Frost Rank
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Readable compared with Frost Rank
| Detail | 
Readable | 
Frost Rank |
|---|
| What it does | Check how AI assistants read your website
| Free SEO and developer tools that run in your browser. No accounts, no paywalls, no upsells.
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| Stage | Not given
| Startup
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| Founded | Not given
| 2026
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| Based in | ES
| Not given
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| Pricing model | Free
| Free
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| Pricing | Not given
| Not given
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| 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
| - Meta / OG Tag Generator with live previews
- JSON-LD Schema Generator for structured data
- Robots.txt / Sitemap Validator with crawl-blocking detection
- Redirect Chain Checker to trace and spot redirect loops
- HTTP Header Checker to inspect response and security headers
- JSON Formatter & Validator with error highlighting
- Base64 Encoder/Decoder for text, images and files
- Password Generator with entropy and crack-time scoring
- QR Code Generator with custom colors and logo support
- Invoice Generator supporting 30 currencies
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| 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, accounts or paywalls required
- Most tools run entirely in the browser with no data sent to servers
- Built from real client SEO work, not generic API wrappers
- Tools built on official specs and search engine documentation
- Fast browser-based performance with no backend queue
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 12 ▲ +1 (up) since last check | 3 ● no change since last check |
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| Trust Flow (Majestic) | 3 | 4 |
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| Citation Flow (Majestic) | 18 | 23 |
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| Referring domains (Majestic) | 5 | 14 |
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4 details filled in for both companies.
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