Test your home network performance
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....
Prototyping optimizations with Cloudflare Workers and WebPageTest
January 08, 2020 3:00 PM
Have you ever wanted to quickly test a new performance idea, or see if the latest performance wisdom is beneficial to your site? As web performance appears to be a stochastic process, it is really important to be able to iterate quickly and review the effects of different experiments....
Introducing Argo — A faster, more reliable, more secure Internet for everyone
May 18, 2017 1:00 PM
The Internet is inherently unreliable, a collection of networks connected to each other with fiber optics, copper, microwaves and trust....
How we made our DNS stack 3x faster
April 11, 2017 9:28 AM
Cloudflare is now well into its 6th year and providing authoritative DNS has been a core part of infrastructure from the start. We’ve since grown to be the largest and one of the fastest managed DNS services on the Internet, hosting DNS for nearly 100,000 of the Alexa top 1M sites....
Doubling the speed of jpegtran with SIMD
October 08, 2015 10:10 AM
It is no secret that at CloudFlare we put a great effort into accelerating our customers' websites. One way to do it is to reduce the size of the images on the website. This is what our Polish product is for. ...
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May 08, 2015 10:02 AM
Google PageSpeed Service customers: migrate to CloudFlare for acceleration
This week, Google announced that its hosted PageSpeed Service will be shut down. Everyone using the hosted service needs to move their site elsewhere before August 3 2015 to avoid breaking their website....
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February 24, 2015 2:20 PM
TLS Session Resumption: Full-speed and Secure
At CloudFlare, making web sites faster and safer at scale is always a driving force for innovation. We introduced “Universal SSL” to dramatically increase the size of the encrypted web....
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November 11, 2013 1:00 AM
What we've been doing with Go
Almost two years ago CloudFlare started working with Go. What started as an experiment on one network and concurrency heavy project has turned into full, production use of Go for multiple services....
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June 13, 2013 2:00 AM
Mirage 2.0: Solving the Mobile Browsing Speed Challenge
Almost exactly a year ago, CloudFlare announced a feature called Mirage. Mirage was designed to make the loading of images faster in two primary ways....
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January 07, 2013 5:38 AM
CloudFlare: Fastest Free DNS, Among Fastest DNS Period
CloudFlare runs one of the largest networks of DNS servers in the world. Over the last few months, we've invested in making our DNS as fast and responsive as possible. We were happy to see these efforts pay off in third-party DNS test results....
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December 21, 2012 10:50 AM
Railgun in the real world: faster web page load times
To solve that problem CloudFlare came up with a delta compression technique that recognizes that even dynamically-generated or personalized pages change only a little over time or between users....
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June 29, 2012 2:15 AM
How to make SSL fast
HTTP, the protocol of the web, is unencrypted by default. That means it is trivial for someone using the same local network as you to spy on all the data you send to and receive from most websites. ...
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June 04, 2012 11:08 PM
Introducing Polish: Automatic Image Optimization
Today, the average web page has more than 85 objects (images, Javascript, CSS, etc.) that make up more than 750 KB of data. All that data needs to be downloaded when a page loads. On the average web page, more than 50% of the data is made up of images. ...
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March 28, 2012 5:14 PM
CloudFlare is Now Part of the Hong Kong Internet Exchange (HKIX)
CloudFlare is now connected to HKIX (Hong Kong Internet Exchange). HKIX is the largest Internet Exchange in Asia transferring around 200Gbit to its 160 ISP, Carrier and Content networks. ...
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