How we improved DNS record build speed by more than 4,000x
May 25, 2022
How we redesigned our DNS pipeline to significantly improve DNS propagation speed across all zones....
Monitoring our monitoring: how we validate our Prometheus alert rules
May 19, 2022
Pint is a tool we developed to validate our Prometheus alerting rules and ensure they are always working...
Debugging Hardware Performance on Gen X Servers
May 17, 2022
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...
Part 1: Rethinking Cache Purge, Fast and Scalable Global Cache Invalidation
May 14, 2022
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 ...
Introducing Cache Reserve: massively extending Cloudflare’s cache
May 11, 2022
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...
MORE POSTS
April 27, 2022
Cloudflare blocks 15M rps HTTPS DDoS attack
Earlier this month, Cloudflare’s systems automatically detected and mitigated a 15.3 million request-per-second (rps) DDoS attack — one of the largest HTTPS DDoS attacks on record...
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April 13, 2022
Cloudflare partners with Kentik to enhance on-demand DDoS protection
We are excited to announce that as of today, network security teams can procure and use Magic Transit, Cloudflare’s industry-leading DDoS mitigation solution, and Kentik’s network observability as an integrated solution...
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April 12, 2022
DDoS Attack Trends for 2022 Q1
Welcome to our first DDoS report of 2022, and the ninth in total so far. This report includes new data points and insights both in the application-layer and network-layer sections — as observed across the global Cloudflare network between January and March 2022...
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April 05, 2022
PIPEFAIL: How a missing shell option slowed Cloudflare down
This post tells the story of how a missing shell option called “pipefail” slowed Cloudflare down....
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March 21, 2022
Network performance update: Security Week
Today, we’re proud to report we are the fastest provider in 71% of the top 1,000 most reported networks around the world...
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December 16, 2021
From 0 to 20 billion - How We Built Crawler Hints
Cloudflare Is reducing the environmental impact of web searches with 20+ billions crawler hints delivered so far. This blog describes the technical solution of how we built the Crawler Hints system that makes all this possible. ...
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December 10, 2021
Cloudflare One helps optimize user connectivity to Microsoft 365
Cloudflare One partners with Microsoft to optimize user connectivity to Microsoft 365...
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December 10, 2021
Argo for Packets is Generally Available
Today, we’re announcing the general availability of Argo for Packets, which provides IP layer network optimizations to supercharge your Cloudflare network services products....
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November 20, 2021
Network Performance Update: Full Stack Week
Several months ago, we shared extensive benchmarking results of edge networks around the world, and made a commitment that we would improve in 10% of networks where we were not #1. Here are our results today....
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October 18, 2021
Crawler Hints Update: Cloudflare Supports IndexNow and Announces General Availability
Crawler Hints now supports IndexNow, a new protocol that allows websites to notify search engines whenever content on their website content is created, updated, or deleted. ...
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October 15, 2021
“Look, Ma, no probes!” — Characterizing CDNs’ latencies with passive measurement
In this article we describe an alternative approach to active measurements, which accurately predicts network latencies using only passively collected data....
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October 02, 2021
Two Weeks Later: Finding and Eliminating Long Tail Latencies
A little over two weeks ago, we shared extensive benchmarking results of edge networks around the world, and made a commitment that we would improve in 10% of networks where we were not #1....
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September 18, 2021
Cloudflare Pages is Lightning Fast
With Cloudflare’s extensive network, consisting of 250+ cities, your Pages site is deployed directly to the edge in seconds. ...
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September 17, 2021
Benchmarking Edge Network Performance: Akamai, Cloudflare, Amazon CloudFront, Fastly, and Google
We recently ran a measurement experiment where we used Real User Measurement (RUM) data from the standard browser API to test the performance of Cloudflare and others in real-world conditions across the globe....
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