Performance

March 19, 2021 12:00 PM

Up until now, we wouldn’t cache requests with query strings until we saw them three times. We trace that behavior back to 2010, examine why we might have needed it, and show ourselves why we don’t need it anymore....

By 
• Edward Wang

March 16, 2021 12:00 PM

We explored almost 200 websites with the activated Automatic Platform Optimization feature in Chrome User Experience Report data. Automatic Platform Optimization consistently demonstrated better aggregate performance among sites we analyzed in TTFB, First Paint, FCP, and LCP metr...

By 
• Yevgen Safronov

February 18, 2021 8:00 PM

We are introducing a new topology for Tiered Cache that reduces origin load by increasing cache hit ratio....

By 
• Brian Bradley

December 18, 2020 12:00 PM

Last year we deployed a CSAM image scanning tool. This is so cool! Image processing is always hard, and deploying a real image identification system at a Cloudflare scale is no small achievement! But we hit a problem - the matching algorithm was too slow for our needs....

By 
• Marek Majkowski

November 19, 2020 10:38 PM

Making things fast is one of the things we do at Cloudflare. More responsive websites, apps, APIs, and networks directly translate into improved conversion and user experience. ...

By 
• Rustam Lalkaka
• , Rita Kozlov

September 30, 2020 1:00 PM

A look at a new DNS resource record intended to speed-up negotiation of HTTP security and performance features and how it will help make the web faster....

By 
• Alessandro Ghedini

September 29, 2020 1:00 PM

We're partnering with the Google Chrome team to bring Web Vitals measurements into Browser Insights. Web Vitals are a new set of metrics to help web developers and website owners measure and understand load time, responsiveness, and visual stability....

By 
• Jon Levine

September 24, 2020 11:00 AM

Firewall Rules lets customers filter the traffic hitting their site, powered by our Wirefilter engine. We’re excited to share some in-depth optimizations we have recently made to improve the performance of our edge....

By 
• Zak Cutner

July 01, 2020 11:00 AM

As with all Cloudflare security products, the WAF is designed to not sacrifice performance for security, but there is always room for improvement. This blog post provides a brief overview of the latest performance improvements that were rolled out to our customers....

By 
• Miguel de Moura

May 26, 2020 5:00 PM

Cloudflare launches speed.cloudflare.com, a tool that allows you to gain in-depth insights into the quality of your network uplink, including throughput, latency and jitter....

By 
• Achiel van der Mandele

May 08, 2020 12:46 PM

Congestion control and loss recovery play a big role in the QUIC transport protocol performance. We recently added support for CUBIC and HyStart++ to quiche, the library powering Cloudflare's QUIC, and lab-based testing shows promising results for performance in lossy network con...

By 
• Junho Choi

April 14, 2020 11:00 AM

We announced support for HTTP/3, the successor to HTTP/2, during Cloudflare’s birthday week last year. Our goal is and has always been to help build a better Internet. Even though HTTP/3 is still in draft status, we've seen a lot of interest from our users....

By 
• Sreeni Tellakula

March 25, 2020 12:00 PM

Encrypting data at rest is vital for Cloudflare with more than 200 data centres across the world. In this post, we will investigate the performance of disk encryption on Linux and explain how we made it at least two times faster for ourselves and our customers!...

By 
• Ignat Korchagin

March 19, 2020 12:57 PM

You’d think keepalives would always be helpful, but turns out reality isn’t always what you expect it to be. It really helps if you read Why does one NGINX worker take all the load? first....

By 
• Ivan Babrou