Vary is one of the most powerful HTTP response headers. However, if used incorrectly, it can cause problems for developers. Understand vary header best practices to reduce mistakes and…

In this, our final API Caching installment, we're going to explore how to use Surrogate Keys to reduce the overall complexity of caching an API.

The web has come a long way since the 90s. In the past, sites were commonly driven by a single, monolithic application that acted as the only communication medium to a centralized database…

Here at Fastly HQ, we want websites to be fast. Caching is commonly used to speed up websites. However, caching rapidly changing and unpredictably updated content can be difficult. To make…