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Free 60-second scan: can GPTBot, ClaudeBot and PerplexityBot reach, fetch, and read your site? Active probing with WAF-differential detection, by Alex Bouchard.
News
The ReadableByAI Index - YC Fall 2025 vs. Established SaaS, Raw-HTML Readability
145 YC Fall 2025 homepages and 455 established SaaS homepages, fetched the way a non-rendering AI crawler fetches them. 25.5% of YC startups ship a blank shell vs. 2.9% of SaaS - a 8.9x gap. Measured 8 August 2026, open methodology, six named examples.
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