April 11, 2017 9:28 AM
Cloudflare is now well into its 6th year and providing authoritative DNS has been a core part of infrastructure from the start. We’ve since grown to be the largest and one of the fastest managed DNS services on the Internet, hosting DNS for nearly 100,000 of the Alexa top 1M sites....
February 21, 2017 1:40 PM
At Cloudflare we’re heavy users of LuaJIT and in the past have sponsored many improvements to its performance. ...
January 30, 2017 7:46 PM
Cloudflare’s mission is to help build a better Internet. That means a faster, more secure, open Internet world-wide. We have millions of customers using our services like free SSL, an advanced WAF....
January 12, 2017 6:00 AM
We've predicted that more than half of the traffic to Cloudflare's network will come from mobile devices. Even if they are formatted to be displayed on a small screen, the mobile web is built on traditional web protocols and technologies that were designed for desktop....
December 21, 2016 2:00 PM
Cloudflare has an automatic image optimization feature called Polish, available for paid plan users. It recompresses images and stripping excess data, speeding up delivery to browsers....
August 16, 2016 12:17 PM
In April, we announced support for HTTP/2 Server Push via the HTTP Link header. My coworker John has demonstrated how easy it is to add Server Push to an example PHP application. We wanted to make it easy to improve the performance of contemporary websites built with Node.js. ...
July 20, 2016 12:27 AM
We're big fans of HTTP/2 and our customers make up the majority of HTTP/2 enabled domains today. HTTP/2 is a key part of the modern web, and its growth and adoption is changing how websites and applications are built....
June 24, 2016 4:31 PM
We launched DNSSEC late last year and are already signing 56.9 billion DNS record sets per day. At this scale, we care a great deal about compute cost....
June 10, 2016 1:08 PM
The layered nature of the Internet (HTTP on top of some reliable transport (e.g. TCP), TCP on top of some datagram layer (e.g. IP), IP on top of some link (e.g. Ethernet)) has been very important in its development. ...
May 13, 2016 1:11 PM
Two weeks ago CloudFlare announced that it was supporting HTTP/2 Server Push for all our customers. By simply adding a Link header to an HTTP response specifying preload CloudFlare would automatically push items to web browsers that support Server Push....
May 13, 2016 9:55 AM
In December, we released HTTP/2 support for all customers and on April 28 we released HTTP/2 Server Push support as well....
May 05, 2016 1:00 PM
Two summers ago, with a seemed-big-at-the-time network of 28 datacenters, not long after introducing Medellin, CloudFlare introduced support for WebSockets, initially for our Enterprise customers....
April 19, 2016 4:15 PM
Today we're releasing a whole suite of upgrades to page rules: API support, additional settings, pausing a page rule and a mobile-friendly design. ...
April 11, 2016 12:23 PM
Some time ago we discovered that certain very slow downloads were getting abruptly terminated and began investigating whether that was a client (i.e. web browser) or server (i.e. us) problem....
April 04, 2016 11:50 AM
Not long ago we introduced support for TLS cipher suites based on the ChaCha20-Poly1305 AEAD, for all our customers. Back then those cipher suites were only supported by the Chrome browser and Google's websites, but were in the process of standardization. ...
March 23, 2016 4:03 PM
Back in early December we announced our "no browser left behind" initiative to the world. Since then, we have served well over 500 billion SHA-1 certificates to visitors that otherwise would not have been able to communicate securely with our customers’ sites using HTTPS....
February 03, 2016 5:16 PM
CloudFlare released HTTP/2 support for all customers on December 3rd, 2015. Now, two months later, it's time to take a look at the impact of this release on the HTTP/2 "universe"....
December 21, 2015 2:30 PM
It's well known that we're heavy users of the Go programming language at CloudFlare. Our work often involves delving into the standard library source code to understand internal code paths, error handling and performance characteristics....
December 11, 2015 7:44 PM
At first glance, the potential performance improvements of HTTP/1.1 versus HTTP/2 on our demo page may seem a bit hard to believe. So, we put together a technical explanation of how this demo actually works. ...
