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Hooman Beheshti

VP of Technology
June 22

Network error logging reports client-side failures and successes, enabling developers to understand how their sites function in the real world and how they might improve performance. In this…

March 27

Server Timing is a great mechanism for collecting new performance metrics in the browser. Fastly and Firefox have teamed up to make them even more powerful by adding support for using Server…

June 7

Since we made HTTP/2 generally available in November 2016, h2 traffic has been steadily growing as more customers migrate to the new version of the protocol; since the beginning of 2017, h…

February 14

One of the most common metrics for evaluating CDN performance is cache hit ratio (CHR). CDN customers have used it for years as a primary indicator of how well a CDN is serving their users…

August 11

Using a CDN for beacon termination at the edge has gotten a lot of attention, in part because edge termination for beacons is cool; but it’s mostly because beaconing applications are…

August 3

We often say that Fastly can easily become an extension of your app — there are three major components that make this possible: caching, control, and visibility.

April 22

In this post and going forward, we’re going to take a step back, talk about the different types of content our customers are dealing with the most, and discuss how cacheable or uncacheable…