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Engineering Notes

How CalculatorAI is actually built and what broke along the way — crawl budget, caching, page speed, and the measurements that proved us wrong.

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Google Search Console index coverage report showing indexed versus not-indexed pages
Engineering6 min

77% of Our Google Crawl Budget Went to the Same 222 Files

Google was re-crawling identical Next.js assets because Vercel Skew Protection mints new URLs every deploy. How we found it, and the fix not to make.

Aug 5, 2026Read

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