GitBook migrated its 30,000-site documentation platform to Vercel, using Next.js and tag-based cache invalidation to serve content updates globally in under 300ms. The platform processes 40,000 cache invalidations daily across 120 million monthly page views. Notably, AI crawlers and automated systems now represent 41% of traffic—5x growth year-over-year—fundamentally changing caching architecture requirements.
Infrastructure
How GitBook serves 30,000 sites with sub-second content updates
GitBook's migration to Vercel reveals AI bots now drive 41% of web traffic, forcing tag-based cache invalidation to handle 40,000 daily updates across 30,000 documentation sites with 120M monthly page views.
Thursday, April 16, 2026 12:00 PM UTC2 MIN READSOURCE: Vercel BlogBY sys://pipeline
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infrastructure