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June 06, 2023 1:00 PM
Examining HTTP/3 usage one year on
With the HTTP/3 RFC celebrating its 1st birthday, we examined HTTP version usage trends between May 2022 - May 2023. We found that HTTP/3 usage by browsers continued to grow, but that search engine and social media bots continued to effectively ignore the latest version of the we...
April 18, 2023 1:00 PM
Measuring network quality to better understand the end-user experience
Starting today, you don’t have to be a network engineer to figure out what your Internet is good for. Let’s tell you how we’re doing it....
February 13, 2023 6:37 PM
Cloudflare mitigates record-breaking 71 million request-per-second DDoS attack
This was a weekend of record-breaking DDoS attacks. Over the weekend, Cloudflare detected and mitigated dozens of hyper-volumetric DDoS attacks. The majority of attacks peaked in the ballpark of 50-70 million requests per second (rps) with the largest exceeding 71 million rps...
December 15, 2022 2:00 PM
Cloudflare is joining the AS112 project to help the Internet deal with misdirected DNS queries
Cloudflare is participating in the AS112 project, becoming an operator of the loosely coordinated, distributed sink of the reverse lookup (PTR) queries for RFC 1918 addresses, dynamic DNS updates and other ambiguous addresses....
October 07, 2022 1:00 PM
Cloudflare Pages gets even faster with Early Hints
Announcing support for sending Early Hints from your Cloudflare Pages projects...
September 27, 2022 1:00 PM
Introducing Configuration Rules
Configuration Rules is the new and improved way for Cloudflare customers to control and manipulate features that are enabled or disabled for specific requests on their zone....
September 27, 2022 1:00 PM
Introducing Cache Rules: precision caching at your fingertips
We have spent the last ten years learning how customers use Page Rules to customize their cached content, and it’s clear the time is ripe for evolving rules-based caching on Cloudflare...
August 02, 2022 1:00 PM
Load Balancing with Weighted Pools
Today, we’re excited to announce a frequently requested feature for our Load Balancer – Weighted Pools...
July 08, 2022 12:27 PM
Automatic Signed Exchanges may dramatically boost your site visitor numbers
Automatic Signed Exchanges may dramatically boost your site visitor numbers...
June 06, 2022 8:49 PM
HTTP RFCs have evolved: A Cloudflare view of HTTP usage trends
HTTP/3 is now RFC 9114. We explore Cloudflare's view of how it is being used...
May 25, 2022 12:59 PM
How we improved DNS record build speed by more than 4,000x
How we redesigned our DNS pipeline to significantly improve DNS propagation speed across all zones....
May 19, 2022 3:39 PM
Monitoring our monitoring: how we validate our Prometheus alert rules
Pint is a tool we developed to validate our Prometheus alerting rules and ensure they are always working...
May 17, 2022 12:59 PM
Debugging Hardware Performance on Gen X Servers
In Cloudflare’s global network, every server runs the whole software stack. Therefore, it's critical that every server performs to its maximum potential capacity...
May 14, 2022 2:50 PM
Part 1: Rethinking Cache Purge, Fast and Scalable Global Cache Invalidation
This is Part 1 of what will be a year-long series documenting our journey to re-architect our systems to be the best, fastest, most-scalable purge in the industry ...
May 11, 2022 1:00 PM
Introducing Cache Reserve: massively extending Cloudflare’s cache
I’m delighted to announce an extension of the benefits of caching with Cache Reserve: a new way to persistently serve all static content from Cloudflare’s global cache...