# How we eliminated cold starts for 72M monthly page views with edge caching

DevFeed: [How we eliminated cold starts for 72M monthly page views with edge caching](<https://devfeed.tech/articles/how-we-eliminated-cold-starts-for-72m-monthly-page-views-with-edge-caching-31081.md>)

Original publisher: [Read original article](<https://www.mintlify.com/blog/page-speed-improvements>)

Author: Nick Khami

Published: 2025-12-08T00:00:00Z

Content type: tutorial

Language: en

Sources: [Mintlify Blog](<https://devfeed.tech/sources/mintlify-blog.md>)

Topics: [Caching](<https://devfeed.tech/topics/caching.md>), [Cloudflare](<https://devfeed.tech/topics/cloudflare.md>), [Next.js](<https://devfeed.tech/topics/next-js.md>), [backends](<https://devfeed.tech/topics/backends.md>), [Processes](<https://devfeed.tech/topics/processes.md>), [Vercel](<https://devfeed.tech/topics/vercel.md>)

Tags: [caching](<https://devfeed.tech/tags/caching.md>), [cdn](<https://devfeed.tech/tags/cdn.md>), [cloudflare](<https://devfeed.tech/tags/cloudflare.md>), [code](<https://devfeed.tech/tags/code.md>), [deployment](<https://devfeed.tech/tags/deployment.md>), [edge](<https://devfeed.tech/tags/edge.md>), [engineering](<https://devfeed.tech/tags/engineering.md>), [performance](<https://devfeed.tech/tags/performance.md>)

## AI overview

Mintlify describes a custom edge caching layer for its documentation sites. The design separates deployments from cache invalidation using a Cloudflare Worker, edge caching, revalidation, and prewarming, increasing the cache hit rate from 76% to effectively 100% and eliminating cold starts.

## Source excerpt

How we improved page speed performance across Mintlify documentation.