Performance

August 29, 2025 2:00 PM

Troubleshoot network connectivity issues by using Cloudflare AI-Power to quickly self diagnose and resolve WARP client and network issues....

By 
• Chris Draper
• , Koko Uko

August 05, 2025 1:00 PM

We significantly sped up our privacy proxy service by fixing a 40ms delay in "double-spend" checks....

By 
• Ben Yang

July 23, 2025 2:00 PM

Faced with a data-ingestion challenge at a massive scale, Cloudflare's Business Intelligence team built a new framework called Jetflow....

By 
• Harry Hough
• , Rebecca Walton-Jones
• , Andy Fan
• , Ricardo Margalhau
• , Uday Sharma

April 09, 2025 2:00 PM

Cloudflare has been tracking and comparing our speed with other top networks since 2021. Let’s take a look at how things have changed since our last update....

By 
• Emily Music
• , Onur Karaagaoglu

April 01, 2025 2:00 PM

Following up on having the fastest purge in the industry, we have now increased Instant Purge quotas across all Cloudflare plans. ...

By 
• Alex Krivit
• ,  Connor Harwood
• , Zaidoon Abd Al Hadi

March 07, 2025 2:00 PM

With Cloudflare Stream’s new Media Transformations, content owners can resize, crop, clip, and optimize short-form video, all without migrating storage. ...

By 
• Taylor Smith
• , Mickie Betz
• , Ben Krebsbach

October 31, 2024 1:00 PM

Post-acquisition, we migrated Baselime from AWS to the Cloudflare Developer Platform and in the process, we improved query times, simplified data ingestion, and now handle far more events, all while cutting costs. Here’s how we built a modern, high-performing observability platfo...

By 
• Boris Tane

September 30, 2024 1:00 PM

Recapping all the big announcements made during 2024’s Birthday Week....

By 
• Kelly May Johnston
• , Brendan Irvine-Broque

September 26, 2024 1:00 PM

Speed is a critical factor that dictates Internet behavior. Every additional millisecond a user spends waiting for your web page to load results in them abandoning your website. ...

By 
• Thomas Gauvin
• , Rob Sutter
• , Andrew Plunk

September 24, 2024 11:00 PM

We’ve built the fastest cache purge in the industry by offering a global purge latency for purge by tags, hostnames, and prefixes of less than 150ms on average (P50), representing a 90% improvement. ...

By 
• Alex Krivit
• , Tim Kornhammar
• ,  Connor Harwood

September 23, 2024 1:00 PM

Since June 2021, we’ve been measuring and ranking our network performance against the top global networks in the world. We use this data to improve our performance, and to share the results of those initiatives. In this post, we’re going to share with you how network performanc...

By 
• Emily Music

July 25, 2024 1:00 PM

In this post, we discuss performance optimizations we've implemented for our WAF ML product. We'll guide you through code examples, benchmarks, and we'll share the impressive latency reduction numbers...

By 
• Alex Bocharov

May 14, 2024 1:00 PM

Golang 1.20 introduced support for Profile Guided Optimization (PGO) to the go compiler. This post covers the process we created for experimenting with PGO at Cloudflare, and measuring the CPU savings...

By 
• Colin Douch

February 28, 2024 3:00 PM

Pingora, our framework for building programmable and memory-safe network services, is now open source. Get started using Pingora today...

By 
• Yuchen Wu
• , Edward Wang
• , Andrew Hauck

February 08, 2024 2:00 PM

This is our story of what we learned about the connect() implementation for TCP in Linux. Both its strong and weak points. How connect() latency changes under pressure, and how to open connection so that the syscall latency is deterministic and time-bound...

By 
• Frederick Lawler