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Elevating the user experience at Fastly

We’re excited to share several recent user experience updates that enhance WAF, Image Optimizer, and user management functionality in the Fastly control panel.

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March 19 OpenSSL Security Advisory

Fastly has evaluated each of these vulnerabilities and found that only one moderate-severity bug affects our configuration. We are currently testing the patch and coordinating a global release of the updated software across Fastly’s network….

Common causes of a poor cache hit ratio and how to deal with them

The cache hit ratio (or hit ratio for short) is the ratio of hits to cacheable requests (hits and misses combined). There’s also cache coverage, the ratio of cacheable requests to all requests (cacheable requests…

10 questions to ask when evaluating CDNs

In my last blog post, I discussed why you should use a content delivery network. But after you’ve decided to start using a CDN, you’ll need to pick out the right CDN for your...

TLS at the edge and server-side security

We’re huge fans of Transport Layer Security (TLS) at Fastly. Here’s a behind-the-scenes look at how we do encryption at the edge, which can also serve as overall best practices for handling server-side...

How Fastly builds support, part 4: training and lessons learned

This article dives into our support team’s training processes and explains how our lessons learned can help your support team grow.

Why you should use a content delivery network

A CDN is a way to deliver content from your website or mobile application to people more quickly and efficiently, based on their geographic location.

How our solid-state drives result in cost savings for customers

We use solid-state drives (SSDs) rather than regular hard drives to power our cache servers. This blog post will dive into our all-SSD approach, the economics behind our thinking, how we manage to have large…

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…