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

Here is a cool website I found looking for dealership citation data, pretty cool. Ranks core web vitals, and shows market share for automotive website providers, and shows when dealers defect from one website provider to another:

 
Here is a cool website I found looking for dealership citation data, pretty cool. Ranks core web vitals, and shows market share for automotive website providers, and shows when dealers defect from one website provider to another:


Nice!

Can't say I have ran across this website provider before, I will have to take a look and see if our system has picked it up yet.
 

✨ 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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