Internet Performance

May 20, 2025

Performance measurements and the people who love them

Developers have a gut-felt understanding for performance, but that intuition breaks down when systems reach Cloudflares scale.

September 10, 2024

A good day to trie-hard: saving compute 1% at a time

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

September 26, 2023

Gone offline: how Cloudflare Radar detects Internet outages

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

June 20, 2023

INP. Get ready for the new Core Web Vital

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

May 16, 2023

Announcing database integrations: a few clicks to connect to Neon, PlanetScale and Supabase on Workers

Today were announcing Database Integrations making it seamless to connect to your database of choice on Workers.

April 18, 2023

Making home Internet faster has little to do with speed

The speed of an Internet connection is more about decreasing real-world latency than adding underutilized bandwidth

December 16, 2022

The unintended consequences of blocking IP addresses

A discussion about IP blocking: why we see it, what it is, what it does, who it affects, and why its such a problematic way to address content online.

March 21, 2022

New cities on the Cloudflare global network: March 2022 edition

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

January 21, 2022

Internet outage in Yemen amid airstrikes

The early hours of Friday, January 21, 2022, started in Yemen with a country-wide Internet outage

October 9, 2021

Where is mobile traffic the most and least popular?

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

September 19, 2021

Project Myriagon: Cloudflare Passes 10,000 Connected Networks

This is the culmination of a special project weve been working on for the last few months dubbed Project Myriagon, a reference to the 10,000-sided polygon of the same name.

September 14, 2021

Improve site load times and SEO with one-click support for Signed Exchanges on Google Search

Starting today, Cloudflare customers will be able to generate Signed Exchanges (SXG) for Google Search with just one click.

September 13, 2021

Cloudflare Passes 250 Cities, Triples External Network Capacity, 8x-es Backbone

Today, I have three speedy infrastructure updates: weve 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.

June 30, 2021

Cloudflares Network Doubles CPU Capacity and Expands Into Ten New Cities in Four New Countries

Cloudflare's global network is always expanding. We've recently added ten new cities and four new countries to our network.

June 22, 2021

Sudan's exam-related Internet shutdowns

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.

January 6, 2021

Internet traffic disruption caused by the Christmas Day bombing in Nashville

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.

August 4, 2020

Cloudflare Network Interconnection partnerships launch

Today were excited to announce Cloudflares 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.

May 1, 2020

When people pause the Internet goes quiet

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.