Reusing connections between your Varnish instance and your backends (origins) is a good idea for multiple reasons. If your Varnish is on the same network as your backends and you're doing…

In this post and going forward, we’re going to take a step back, talk about the different types of content our customers are dealing with the most, and discuss how cacheable or uncacheable…

End users are consumers who will use a service, and monitoring their performance is often overlooked. See how monitoring performance of end users improves user experience.

Varnish is an open source web accelerator that is designed for high-performance content delivery. Learn more about what Varnish is and how Fastly's varnish can help accelerate your content.

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…

Solid-State Drives (SSDs) are semiconductor-based storage devices that save persistent data by using NAND flash memory. See how Fastly manages caches with SSDs and how you can save.

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…

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…

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…