The Cloudflare Blog

Cloudflare is partnering with Visa and Mastercard to help secure the future of agentic commerce.

This post explores the performance of BPF LPM tries, a critical data structure used for IP matching.

Cloudflare Load Balancing now supports Monitor Groups, allowing you to combine multiple health monitors into a single, logical assessment.

There's no way to audit a site’s client-side code as it changes, making it hard to trust sites that use cryptography. We preview a specification we co-authored that adds auditability to the web.

Cloudflare investigated CPU performance benchmark results for Workers, uncovering and fixing issues in infrastructure, V8 garbage collection, and OpenNext optimizations.

We're launching Cloudforce One REACT, a team of expert security responders designed to eliminate the gap between perimeter defense and internal incident response.

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.

On September 29, 2025, Internet connectivity was completely shut down across Afghanistan, impacting business, education, finance, and government services.

Rust-powered core systems, post-quantum upgrades, developer access for students, PlanetScale integration, open-source partnerships, and our biggest internship program ever — 1,111 interns in 2026.

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.

We will cover some of the reasons why operators need to monitor the AS-SET memberships for their ASN, and now Cloudflare Radar can help.

We're announcing two enhancements to our Application Performance suite that'll show how the world sees your website, and make it faster with one click - available Cloudflare Dashboard!

We’ve replaced the original core system in Cloudflare with a new modular Rust-based proxy, replacing NGINX.

On the Internet, being fast is what matters and at Cloudflare, we are committed to being the fastest network in the world.

We reduced Cloudflare Workers cold starts by 10x by optimistically routing to servers with already-loaded Workers. Learn how we did it here.

It turns out we've all been using MCP wrong. Most agents today use MCP by exposing the "tools" directly to the LLM.

Cloudflare Radar now offers a Certificate Transparency dashboard for monitoring TLS certificate activity, and new regional traffic insights for a sub-national perspective on Internet trends.

Cloudflare is using its vast traffic to send responses faster than ever before, by learning the characteristics of each individual network and tuning our congestion control system.

Cloudflare is making every feature available to any customer.