How Fern runs multi-tenant docs for Webflow and ElevenLabs on Vercel

Fern uses Vercel to run multi-tenant developer documentation for companies including Webflow and ElevenLabs, serving over 6 million page views per month from more than 1 million unique visitors.

The team migrated 65% of its platform from the Pages Router to the App Router in seven days, achieving page load times reduced by up to 80% and deploys as fast as five minutes.