What’s Next for Fastly as We Power the World’s Most Important Companies

Normalizing the Host Header

In the continued quest to increase cache hit ratios, the chant is: “Normalize, normalize, normalize.” Less variation in your requests means you have a higher chance of getting hits. This month’s highlight is the Host…

Updates to Fastly’s Terms of Service, Privacy Policy, and Acceptable Use Policy

Security, compliance and transparency are very important to us at Fastly, and these updates will help protect our customers as well as our company.

Caching the Uncacheable: CSRF Security

In this post, I investigate several strategies for maintaining security while improving cacheability. I use Ruby on Rails for the examples, but the techniques apply to nearly any web application framework.

Join Fastly’s New Community Forum

We’re beyond excited to introduce you to Fastly’s Community Forum. We’ve been working closely with our community to build an interactive, inclusive hub for our customers and fellow web performance nerds. The Forum...

Don’t Let Your Site Crash and Burn This Holiday Season

Americans are expected to spend $89 billion shopping online this holiday season, according to Forrester Research. Is your ecommerce site ready for the massive spike in traffic?

Accelerating Rails, Part 1: Built-in Caching

Caching is one strategy that helps ease scaling pains that I often see Rails developers overlooking. Starting out with caching can be confusing, because terms and documentation can be convoluted, especially if you’re not an…

Using ESI, Part 2: Leveraging VCL and ESI to Use JSONP

In this post, I’m going to discuss how you can leverage ESI and VCL (Varnish Configuration Language, the domain-specific language that powers Fastly’s edge scripting capabilities) to use JSON responses, even when they’re loaded from…

Overriding Origin TTL in Varnish, or My Beginner's Mistake

A long time ago, I was helping out at a gaming conference where there was an intranet CMS using a Twitter search plugin. Unfortunately, the rather saturated Internet connection was slowing down all of the…

Announcing Fastly’s Cloud Accelerator, a Collaboration With Google Cloud Platform

Today, we’re happy to announce a collaboration with Google Cloud Platform that will combine the power of Google’s infrastructure with the speed of our real-time content delivery network.

Improving the Delivery of Large Files With Streaming Miss and Large File Support

Today, we’re excited to announce two related features that lower bandwidth costs and reduce origin load for Fastly customers, resulting in faster downloads for their users: Streaming Miss and Large File Support.

New Gzip Settings and Deciding What to Compress

Fastly recently conducted an extensive analysis of which resources should be compressed. Today, the results of that analysis are reflected in the Fastly app, which allows our customers to adopt better gzip settings. This not…

Teaming Up With Catch Digital to Write VCL for Drupal and Fastly

We recently decided to work with Leon Kessler at Catch Digital to introduce VCL that would make it easier for new Drupal customers to get up and running with Fastly. Here’s how we...