The (hardware) key to making phishing defense seamless with Cloudflare Zero Trust and Yubico2022-09-29 This post is also available in 简体中文, 日本語, Deutsch, Français and Español. UPDATE: This offer expired on January 3rd, 2023 at 8am PST. Hardware keys provide the best authentication security and are phish-proof. But customers ask us how to implement them and which security keys they should buy. Toda

Private by design: building privacy-preserving products with Cloudflare's Privacy Edge2022-09-28 When Cloudflare was founded, our value proposition had three pillars: more secure, more reliable, and more performant. Over time, we’ve realized that a better Internet is also a more private Internet, and we want to play a role in building it. User awareness and expectations of and for privacy are high

This post is also available in 简体中文, 日本語, Français, Deutsch, Português and Español. Today, we’re announcing the open beta of Turnstile, an invisible alternative to CAPTCHA. Anyone, anywhere on the Internet, who wants to replace CAPTCHA on their site will be able to call a simple API, without having to be a Cloudflare customer or sending traffic through the Cloudflare global network. Sign up here f

Introducing workerd: the Open Source Workers runtime2022-09-27 Today I'm proud to introduce the first beta release of workerd, the JavaScript/Wasm runtime based on the same code that powers Cloudflare Workers. workerd is Open Source under the Apache License version 2.0. workerd shares most of its code with the runtime that powers Cloudflare Workers, but with some changes designed to make it more p

Leading venture capital firms to provide up to $1.25 BILLION to back startups built on Cloudflare Workers2022-09-27 This post is also available in 简体中文, 日本語, Français, Deutsch and Español. From our earliest days, Cloudflare has stood for helping build a better Internet that’s accessible to all. It’s core to our mission that anyone who wants to start building on the Internet should be able to do so

This post is also available in Deutsch, Français. When we announced D1 in May of this year, we knew it would be the start of something new – our first SQL database with Cloudflare Workers. Prior to D1 we’ve announced storage options like KV (key-value store), Durable Objects (single location, strongly consistent data storage) and R2 (blob storage). But the question always remained “How can I store

Cloudflare Images was announced one year ago on this very blog to help you solve the problem of delivering images in the right size, right quality and fast. Very fast. It doesn’t really matter if you only run a personal blog, or a portal with thousands of vendors and millions of end-users. Doesn’t matter if you need one hundred images to be served one thousand times each at most, or if you deal wi

This post is also available in 简体中文, 日本語, Français, Deutsch, Español, Polski and Pусский. R2 gives developers object storage, without the egress fees. Before R2, cloud providers taught us to expect a data transfer tax every time we actually used the data we stored with them. Who stores data with the goal of never reading it? No one. Yet, every time you read data, the egress tax is applied. R2 give

Introducing Cloudflare Adaptive DDoS Protection - our new traffic profiling system for mitigating DDoS attacks2022-09-19 This post is also available in Español, Pусский and Polski. Every Internet property is unique, with its own traffic behaviors and patterns. For example, a website may only expect user traffic from certain geographies, and a network might only expect to see a limited set of proto

How we built Pingora, the proxy that connects Cloudflare to the Internet2022-09-14 This post is also available in 简体中文 and 繁體中文. IntroductionToday we are excited to talk about Pingora, a new HTTP proxy we’ve built in-house using Rust that serves over 1 trillion requests a day, boosts our performance, and enables many new features for Cloudflare customers, all while requiring only a third of the CP

This post is also available in 简体中文, 日本語, Deutsch, Français, Español. We have blocked Kiwifarms. Visitors to any of the Kiwifarms sites that use any of Cloudflare's services will see a Cloudflare block page and a link to this post. Kiwifarms may move their sites to other providers and, in doing so, come back online, but we have taken steps to block their content from being accessed through our inf

This post is also available in 简体中文, 日本語, Français, Deutsch, Español. Cloudflare launched nearly twelve years ago. We’ve grown to operate a network that spans more than 275 cities in over 100 countries. We have millions of customers: from small businesses and individual developers to approximately 30 percent of the Fortune 500. Today, more than 20 percent of the web relies directly on Cloudflare’s