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Featured post

Early TLS at Fastly

While we started with an original intention to fully deprecate TLS 1.0 as early as 2015, we’re currently reporting that about 20% of our customers in total are still relying on TLS 1.0 and TLS 1.1. Providing breadth-of-access means that not everyone can upgrade their browser or phone, and for some users, Fastly is their gateway to web access. It’s a balance we’re trying hard to preserve and something that is central to who we are as a web enabler. Starting today, we’re taking a different approach to our TLS deprecation.

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How Fastly builds support, part 3: Building our support organization

At Fastly, we’ve made some key decisions about how to operate and structure our support team in a way that allows us to deliver quality at scale. Some of the lessons we learned are more…

Getting an A in security: SHA-2 migration and disabling RC4

As many of you know, TLS best practices have changed a lot in the past two years. Recently, Fastly has changed how we configure TLS to make it even more secure. This includes migrating our…

Analyze your origin logs to get a higher cache efficiency

If you want to increase the efficiency of your Varnish (or Fastly) cache, you need to figure out what traffic is not cached. By definition, any traffic that reaches your origin is not cached, and…

How Fastly builds support, part 2: The customer experience

What customers encounter when evaluating and onboarding with Fastly isn’t arbitrary. It’s an experience that we’ve intentionally crafted. This post will discuss what customers experience, and what we have in place to make sure it…

Securing the news: TLS for media sites

TLS is especially applicable to news sites. News organizations bear a public responsibility to accurately report the news, and need to take the steps necessary to ensure credibility. The security of online news content is…

How Fastly Builds Support, Part 1: Our Standards

In the time I’ve been at Fastly, we’ve had enough customers and friends ask us about how we do support and what’s going on under the hood that it seems appropriate to give a high…

Fastly Community Pack for Logentries Users Offers Deep Visibility into Log Data

Today Logentries released a Fastly Community Pack, which automatically sets up tags, saved queries, and visualizations in the Logentries dashboard to help Fastly customers get the most out of their real-time logs.

Accelerating Rails, Part 2: Dynamic HTTP Caching

In the second part of our series on accelerating Rails, I’ll cover configuration of a few Fastly features, Varnish and Varnish Configuration Language (VCL), and strategies for caching dynamic content that are targeted towards the…

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...