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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. ...

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Cloudflare just got faster and more secure, powered by Rust

Introducing Observatory and Smart Shield — see how the world sees your website, and make it faster in one click

2025-09-26

SpeedPerformanceBirthday WeekAegis

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

BGPRPKIBirthday WeekCloudflare NetworkRadar

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

AIBirthday WeekPay Per CrawlAI SearchMCP

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

Birthday WeekRadarInternet TrafficMobileCertificate Transparency

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

AIBirthday WeekCloudflare WorkersAgentsMCP

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

Birthday WeekCap'n ProtoCloudflare WorkersEngineeringTLS

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

Birthday WeekNetwork Performance UpdatePerformanceNetwork Services

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

SpeedBirthday WeekAISpeed & Reliability

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

Birthday WeekPAYGOEnterprisePlans

Cloudflare is making every feature available to any customer....

R2 SQL: a deep dive into our new distributed query engine

2025-09-25

R2Birthday WeekDataDeep DiveEdge ComputingRustServerlessSQL

R2 SQL provides a built-in, serverless way to run ad-hoc analytic queries against your R2 Data Catalog. This post dives deep under the Iceberg into how we built this distributed engine....

Safe in the sandbox: security hardening for Cloudflare Workers

2025-09-25

Cloudflare WorkersBirthday WeekAttacksEngineeringLinuxMalicious JavaScriptSecurityVulnerabilities

We are further hardening Cloudflare Workers with the latest software and hardware features. We use defense-in-depth, including V8 sandboxes and the CPU's memory protection keys to keep your data safe....

Announcing the Cloudflare Data Platform: ingest, store, and query your data directly on Cloudflare

2025-09-25

R2 StorageBirthday WeekDevelopersData CatalogPipelines

The Cloudflare Data Platform, launching today, is a fully-managed suite of products for ingesting, transforming, storing, and querying analytical data, built on Apache Iceberg and R2 storage....

Choice: the path to AI sovereignty

2025-09-25

Birthday WeekCloudflare WorkersAI

Championing AI sovereignty through choice: diverse tools, data control, and no vendor lock-in. We're enabling this in India, Japan, and Southeast Asia, offering local, open-source models on Workers AI...

Announcing Cloudflare Email Service’s private beta

2025-09-25

Birthday WeekCloudflare Email Service

Today, we’re launching Cloudflare Email Service. Send and receive email directly from your Workers with native bindings—no API keys needed. Sign up for the private beta....

A year of improving Node.js compatibility in Cloudflare Workers

2025-09-25

Node.jsBirthday WeekCloudflare WorkersJavaScriptServerlessServers

Over the year we have greatly expanded Node.js compatibility. There are hundreds of new Node.js APIs now available that make it easier to run existing Node.js code on our platform....

A simpler path to a safer Internet: an update to our CSAM scanning tool

2025-09-24

Birthday WeekTrust & SafetyAbuseLegal

Cloudflare has made it even easier to enable our free child safety tooling for all customers....

Automatically Secure: how we upgraded 6,000,000 domains by default to get ready for the Quantum Future

2025-09-24

Birthday WeekTLSSecurityEncryptionPost-QuantumResearchCDN

After a year since we started enabling Automatic SSL/TLS, we want to talk about these results, why they matter, and how we’re preparing for the next leap in Internet security....

Giving users choice with Cloudflare’s new Content Signals Policy

2025-09-24

Birthday WeekPolicy & LegalBot ManagementAI

Cloudflare’s Content Signals Policy gives creators a new tool to control use of their content. ...