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" and also at what has changed from a HTTP/2 vs. SPDY vs. HTTP 1.1 traffic ratio perspective....
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. ...
December 03, 2015 1:59 PM
Why choose, if you can have both? Today CloudFlare is introducing HTTP/2 support for all customers using SSL/TLS connections, while still supporting SPDY. There is no need to make a decision between SPDY or HTTP/2. ...
November 19, 2015 3:05 PM
A customer reported an unusual problem with our CloudFlare CDN: our servers were responding to some HTTP requests slowly. Extremely slowly. 30 seconds slowly....
November 10, 2015 1:56 PM
CloudFlare launched just five years ago with the goal of building a better Internet. That’s why we are excited to announce that beginning today, anyone on CloudFlare can secure their traffic with DNSSEC in just one simple step....
October 23, 2015 2:24 PM
Compression is one of the most important tools CloudFlare has to accelerate website performance. Compressed content takes less time to transfer, and consequently reduces load times....
October 08, 2015 10:10 AM
It is no secret that at CloudFlare we put a great effort into accelerating our customers' websites. One way to do it is to reduce the size of the images on the website. This is what our Polish product is for. ...
September 25, 2015 4:01 PM
CloudFlare servers are constantly being targeted by DDoS'es. We see everything from attempted DNS reflection attacks to L7 HTTP floods involving large botnets....
September 16, 2015 5:47 PM
We’re at the cPanel Conference in Denver this week, so feel free to drop by our booth and say hello. It’s a great opportunity to connect with our partners and better understand their needs....
September 07, 2015 9:52 AM
In two previous posts we've discussed how to receive 1M UDP packets per second and how to reduce the round trip time. We did the experiments on Linux and the performance was very good considering it's a general purpose operating system....
September 02, 2015 10:15 AM
CloudFlare constantly tries to stay on the leading edge of Internet technologies so that our customers' web sites use the latest, fastest, most secure protocols. For example, in the past we've enabled IPv6 and SPDY/3.1....
