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Server-sent events allow web servers to push real-time event notifications to the browser on a long-lived HTTP response. It's a beautiful part of the web platform that’s severely underused…

Altitude SF 2017 brought together technical leaders from Reddit, the ACLU, TED, Slack, and more to explore the future of edge delivery, emerging web trends, and the challenges of cloud…

We need technology to provide capabilities to tackle the challenge of the cybersecurity gaps, recently highlighted by the WannaCry attacks. In this post, Director of Security Research Jose…

You can use the Vary response header in creative ways, including A/B testing and internationalization. At the same time, many people still use Vary badly or misunderstand what it does; in…

A tale of failure and recovery from Kenton Jacobsen, Director of Engineering at Vogue.com and Glamour.com.

In an ongoing effort to help you provide the best streaming experiences for your end users, we’re excited to announce two new features to our OTFP service. Multi-DRM support and content…

We’re pleased to announce that we’ve added a collection of new POPs to the Fastly global network. Since our last update, we’ve deployed additional US POPs in Chicago, Newark, Ashburn, and…

Surrogate keys give Fastly customers a unique way to efficiently purge content from cache — batch API for surrogate key purge allows you to purge content even more efficiently by purging…

Altitude SF 2017 featured hands-on trainings and talks from industry leaders like Reddit, the ACLU, Slack, TED, and more. We explored the future of edge delivery, heard about emerging trends…

In an effort to move forward from early architecture that we were quickly outgrowing, we recently migrated our Historical Stats database from self-managed MySQL to Google Cloud Bigtable…

Altitude NYC featured war stories from Fastly customers like Vogue, Spotify, and HashiCorp. Read on for our recap of Seth Vargo’s talk, where he discussed how HashiCorp was able to quickly…

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…