Performance measurements… and the people who love them
2025-05-20
Developers have a gut-felt understanding for performance, but that intuition breaks down when systems reach Cloudflare’s scale....
Internet Performance
A good day to trie-hard: saving compute 1% at a time
2024-09-10
Pingora handles 35M+ requests per second, so saving a few microseconds per request can translate to thousands of dollars saved on computing costs. In this post, we share how we freed up over 500 CPU ...
Gone offline: how Cloudflare Radar detects Internet outages
2023-09-26
Cloudflare Radar will be publishing anomalous traffic events for countries and Autonomous Systems (ASes). These events are the same ones referenced above that have been triggering our internal workflow to validate and confirm disruptions...
INP. Get ready for the new Core Web Vital
2023-06-20
On May 10, 2023, Google announced that INP will replace FID in the Core Web Vitals in March 2024. The Core Web Vitals play a role in the Google Search algorithm. So website owners who care about Search Engine Optimization (SEO) should prepare for the change...
Announcing database integrations: a few clicks to connect to Neon, PlanetScale and Supabase on Workers
2023-05-16
Today we’re announcing Database Integrations – making it seamless to connect to your database of choice on Workers. ...
Making home Internet faster has little to do with “speed”
2023-04-18
The speed of an Internet connection is more about decreasing real-world latency than adding underutilized bandwidth...
The unintended consequences of blocking IP addresses
2022-12-16
A discussion about IP blocking: why we see it, what it is, what it does, who it affects, and why it’s such a problematic way to address content online....
New cities on the Cloudflare global network: March 2022 edition
2022-03-21
Today, we are announcing the addition of 18 new cities in Africa, South America, Asia, and the Middle East, bringing our network to over 270 cities globally...
Internet outage in Yemen amid airstrikes
2022-01-21
The early hours of Friday, January 21, 2022, started in Yemen with a country-wide Internet outage...
Where is mobile traffic the most and least popular?
2021-10-09
We used Cloudflare Radar to find out those countries on the planet that have more (and less) mobile traffic on the Internet. Africa and the Middle East are the areas of the planet where mobile traffic dominates the Internet experience...
Project Myriagon: Cloudflare Passes 10,000 Connected Networks
2021-09-19
This is the culmination of a special project we’ve been working on for the last few months dubbed Project Myriagon, a reference to the 10,000-sided polygon of the same name....
Improve site load times and SEO with one-click support for Signed Exchanges on Google Search
2021-09-14
Starting today, Cloudflare customers will be able to generate Signed Exchanges (SXG) for Google Search with just one click....
Cloudflare Passes 250 Cities, Triples External Network Capacity, 8x-es Backbone
2021-09-13
Today, I have three speedy infrastructure updates: we’ve passed 250 on-network cities, more than tripled our external network capacity, and increased our long-haul internal backbone network by over 800% since the start of 2020....
Cloudflare’s Network Doubles CPU Capacity and Expands Into Ten New Cities in Four New Countries
2021-06-30
Cloudflare's global network is always expanding. We've recently added ten new cities and four new countries to our network....
Sudan's exam-related Internet shutdowns
2021-06-22
To prevent cheating in exams many countries restrict or even shut down Internet access during critical exam hours. I wrote two weeks ago about Syria having planned Internet shutdowns during June, for exams. Sudan is doing the same thing and has had four shutdowns so far. ...
Internet traffic disruption caused by the Christmas Day bombing in Nashville
2021-01-06
On Christmas Day 2020, an apparent suicide bomb exploded in Nashville, TN. The explosion happened outside an AT&T network building on Second Avenue in Nashville at 1230 UTC....
Cloudflare Network Interconnection partnerships launch
2020-08-04
Today we’re excited to announce Cloudflare’s Network Interconnection Partner Program, in support of our new CNI product. As ever more enterprises turn to Cloudflare to secure and accelerate their branch and core networks, the ability to connect privately and securely becomes increasingly important....
When people pause the Internet goes quiet
2020-05-01
As human behaviour has changed in response to the pandemic, it's left a mark on the charts that network operators look at day in, day out to ensure that their networks are running correctly....
Internet performance during the COVID-19 emergency
2020-04-23
The Internet has shown that it was built for this: designed to handle huge changes in traffic, outages, and a changing mix of use. As we are well into April I thought it was time for an update....