blog.cloudflare.com

Cloudflare investigated CPU performance benchmark results for Workers, uncovering and fixing issues in infrastructure, V8 garbage collection, and OpenNext optimizations. These improvements have made Cloudflare Workers faster for all customers.

We're launching Cloudforce One REACT, a team of expert security responders designed to eliminate the gap between perimeter defense and internal incident response. The team brings unmatched threat intelligence and network-native mitigation to help ...

84 million requests a second means even rare bugs appear often. We'll reveal how we discovered a race condition in the Go arm64 compiler and got it fixed.

We demonstrate how the open-source Payload CMS was ported to run entirely on Cloudflare's developer platform. This post details the technical work required, including building custom database and storage adapters for D1 and R2, and how we're using .. ...

On September 29, 2025, Internet connectivity was completely shut down across Afghanistan, impacting business, education, finance, and government services. It follows regional shutdowns that began several weeks prior, ostensibly to prevent "immoral .. ...

Cloudflare just turned 15! Birthday Week 2025 celebrated innovation at scale: Rust-powered core systems, post-quantum upgrades, developer access for students, PlanetScale integration, open-source partnerships, and our biggest internship program ever ...

We've replaced the original core system in Cloudflare with a new modular Rust-based proxy, replacing NGINX. It's not only substantially faster for all our customers, it's also more secure, and lets us ship new products quicker than ever before.

AS-SETs, for better or worse, are critical data sources that help build BGP route filters across the Internet. Because these AS-SET objects are based solely on trust, they can be misused. We will cover some of the reasons why operators need to ...

Cloudflare will soon automatically create an AI-optimized search index for your domain, and expose a set of ready-to-use standard APIs and tools including an MCP server, LLMs.txt, and a search API. For AI builders, Cloudflare will offer a new way to ...

Today, we're announcing two enhancements to our Application Performance suite. Observatory and Smart Shield allow you to see how the world sees your website, and make it faster with one click. Available inside the Cloudflare Dashboard today!