by Vlad Krasnov

If you have experienced HTTP/2 for yourself, you are probably aware of the visible performance gains possible with HTTP/2 due to features like stream multiplexing, explicit stream dependencies, and Server Push.

by Junade Ali

by Filippo Valsorda

This piece was originally written for the Gopher Academy advent series. We are grateful to them for allowing us to republish it here.

by Martin J Levy

It’s 2016 and almost every site using Cloudflare (more than 4 million of them) is using IPv6. Because of this, Cloudflare sees significant IPv6 traffic globally where networks have enabled IPv6 to the consumer.

by John Fawcett

Documentation for JavaScript projects has traditionally been generated via annotations inserted as code comments. While this gets the job done, it seems far from ideal. In this post, I’ll explore how to…

by Ivan Babrou

The following blog post describes a debugging adventure on Cloudflare’s Mesos-based cluster. This internal cluster is primarily used to process log file information so that Cloudflare customers have analytics…

by Marek Majkowski

Recent headline grabbing DDoS attacks provoked heated debates in the DNS community. Everyone has strong opinions on how to harden DNS to avoid downtime in the future. Is it better to use a single DNS provider or multiple? What…

by John Graham-Cumming

Back in March my colleague Marek wrote about a Winter of Whopping Weekend DDoS Attacks where we were seeing 400Gbps attacks occurring mostly at the weekends. We speculated that attackers were busy with…

by David Wragg

Cloudflare has an automatic image optimization feature called Polish, available to customers on paid plans. It recompresses images and removes unnecessary data so that they are delivered to browsers more quickly.

by Nick Sullivan

CloudFlare is turbocharging the encrypted internet
The encrypted Internet is about to become a whole lot snappier. When it comes to browsing, we’ve been driving around in a beat-up car from the 90s for a while. Little does anyone know, we’re all about…