A deep dive into BPF LPM trie performance and optimization
2025-10-21
This post explores the performance of BPF LPM tries, a critical data structure used for IP matching. ...
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Load Balancing Monitor Groups: Multi-Service Health Checks for Resilient Applications
2025-10-17
Cloudflare Load Balancing now supports Monitor Groups, allowing you to combine multiple health monitors into a single, logical assessment. ...
Improving the trustworthiness of Javascript on the Web
2025-10-16
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....
Unpacking Cloudflare Workers CPU Performance Benchmarks
2025-10-14
Cloudflare investigated CPU performance benchmark results for Workers, uncovering and fixing issues in infrastructure, V8 garbage collection, and OpenNext optimizations. ...
Introducing REACT: Why We Built an Elite Incident Response Team
2025-10-09
We're launching Cloudforce One REACT, a team of expert security responders designed to eliminate the gap between perimeter defense and internal incident response....
How we found a bug in Go's arm64 compiler
2025-10-08
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....
Payload on Workers: a full-fledged CMS, running entirely on Cloudflare’s stack
2025-09-30
We demonstrate how the open-source Payload CMS was ported to run entirely on Cloudflare's developer platform....
Nationwide Internet shutdown in Afghanistan extends localized disruptions
2025-09-30
On September 29, 2025, Internet connectivity was completely shut down across Afghanistan, impacting business, education, finance, and government services....
15 years of helping build a better Internet: a look back at Birthday Week 2025
2025-09-29
Birthday WeekPartnersDeveloper PlatformWorkers LaunchpadPerformanceSecurityCacheSpeedDevelopersAI1.1.1.1Application SecurityApplication ServicesBotsCDNCloudflare for StartupsCloudflare OneCloudflare Zero TrustCloudflare Workers
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 just got faster and more secure, powered by Rust
2025-09-26
We’ve replaced the original core system in Cloudflare with a new modular Rust-based proxy, replacing NGINX. ...
Introducing Observatory and Smart Shield — see how the world sees your website, and make it faster in one click
2025-09-26
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!...
Monitoring AS-SETs and why they matter
2025-09-26
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. ...
An AI Index for all our customers
2025-09-26
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....
Introducing new regional Internet traffic and Certificate Transparency insights on Cloudflare Radar
2025-09-26
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....
Code Mode: the better way to use MCP
2025-09-26
It turns out we've all been using MCP wrong. Most agents today use MCP by exposing the "tools" directly to the LLM....
Eliminating Cold Starts 2: shard and conquer
2025-09-26
We reduced Cloudflare Workers cold starts by 10x by optimistically routing to servers with already-loaded Workers. Learn how we did it here....
Network performance update: Birthday Week 2025
2025-09-26
On the Internet, being fast is what matters and at Cloudflare, we are committed to being the fastest network in the world....
How Cloudflare uses the world’s greatest collection of performance data to make the world’s fastest global network even faster
2025-09-26
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. ...
Every Cloudflare feature, available to everyone
2025-09-25
Cloudflare is making every feature available to any customer....
Cloudflare's developer platform keeps getting better, faster, and more powerful. Here's everything that's new.
2025-09-25
Cloudflare's developer platform keeps getting better, faster, and more powerful. Here's everything that's new....
