October 03, 2020 1:00 PM
Introducing support for the AVIF image formatWe're adding support for the new AVIF image format. It compresses images significantly better than older-generation formats such as WebP and JPEG....
March 02, 2020 1:00 PM
When Bloom filters don't bloomLast month finally I had an opportunity to use Bloom filters. I became fascinated with the promise of this data structure, but I quickly realized it had some drawbacks. This blog post is the tale of my brief love affair with Bloom filters....
May 15, 2019 1:00 PM
Announcing Cloudflare Image Resizing: Simplifying Optimal Image DeliveryIn the past three years, the amount of image data on the median mobile webpage has doubled. Growing images translate directly to users hitting data transfer caps, experiencing slower websites, and even leaving if a website doesnât load in a reasonable amount of time. ...
May 14, 2019 4:00 PM
Parallel streaming of progressive imagesImage-optimized HTTP/2 multiplexing makes all progressive images across the page appear visually complete in half of the time....
July 04, 2018 2:58 PM
Too Old To Rocket Load, Too Young To DieRocket Loader is in the news again. One of Cloudflare's earliest web performance products has been re-engineered for contemporary browsers and Web standards. It controls the load and execution of your JavaScript, ensuring useful, meaningful page content is unblocked and displaye...
June 01, 2018 4:31 PM
We have lift off - Rocket Loader GA is mobile!Today weâre excited to announce the official GA of Rocket Loader, our JavaScript optimisation feature that will prioritise getting your content in front of your visitors faster than ever before with improved Mobile device support. ...
December 05, 2017 2:00 PM
Introducing the Cloudflare Warp Ingress Controller for KubernetesItâs ironic that the one thing most programmers would really rather not have to spend time dealing with is... a computer. ...
September 10, 2017 5:04 PM
Delivering DotSince March 30, 2017, Cloudflare has been providing DNS Anycast service as additional F-Root instances under contract with ISC (the F-Root operator). F-Root is a single IPv4 address plus a single IPv6 address which both ISC and Cloudflare announce to the global Internet as a sh...
June 07, 2017 12:47 PM
How we built rate limiting capable of scaling to millions of domainsBack in April we announced Rate Limiting of requests for every Cloudflare customer. Being able to rate limit at the edge of the network has many advantages: itâs easier for customers to set up and operate, their origin servers are not bothered by excessive traffic or layer 7 atta...
January 12, 2017 6:00 AM
Introducing Accelerated Mobile Links: Making the Mobile Web App-QuickWe'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
A Very WebP New Year from CloudflareCloudflare 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 25, 2016 4:01 PM
You Can Finally Get More Page Rules For 5 For $5Since CloudFlare launched Page Rules in 2012, our Free, Pro and Business users have been asking for a way to get more Page Rules without committing to the next plan up. Starting today, anyone on CloudFlare can add 5 additional Page Rules for just $5/month....
June 10, 2016 1:08 PM
Optimizing TLS over TCP to reduce latencyThe 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. ...
December 10, 2015 12:10 PM
HTTP/2 For Web DevelopersHTTP/2 changes the way web developers optimize their websites. In HTTP/1.1, itâs become common practice to eek out an extra 5% of page load speed by hacking away at your TCP connections and HTTP requests with techniques like spriting, inlining, domain sharding, and concatenation....
October 23, 2015 2:24 PM
Results of experimenting with Brotli for dynamic web contentCompression 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....
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