A little over a year ago, Nick Sullivan talked about the beginning of the end for AES-CBC cipher suites, following a plethora of attacks on this cipher mode.
HPACK: the silent killer (feature) of HTTP/2
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.
Announcing Support for HTTP/2 Server Push
Last November, we rolled out HTTP/2 support for all our customers. At the time, HTTP/2 was not in wide use, but more than 88k of the Alexa 2 million websites are now HTTP/2-enabled.
It takes two to ChaCha (Poly)
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.
Results of experimenting with Brotli for dynamic web content
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.