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Core Web Vitals Rankings - I spent way too much time on this to rank 1300 websites

✨ AI Highlights

A developer shares a free tool built on two years of daily Google Lighthouse API data that monitors Core Web Vitals for over 5,000 franchise dealerships. The conversation quickly expands into a critical insight: the fastest dealer sites are often heavily client-rendered, meaning they score well on CWV but return almost zero readable content to AI crawlers like GPTBot and ClaudeBot that don't execute JavaScript. The emerging consensus is that dealers and vendors need to audit both CWV performance and no-JS word count, since great Lighthouse scores can mask near-total invisibility to AI-driven research tools.

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