Website Performance and Security Blog

Varnish is Caching Pages and ignoring "Cache-control: no-cache" header

TL;DR; - Before V4.0.0 Varish ignored the “Cache-control: no-cache” header by default, and you’ll need to handle this yourself in your VCL.

Read More

Excellent Google PageSpeed Service Alternative

With Google’s recent announcement of the “Turn Down of PageSpeed Service”, users of the service should be asking what to do next.

Read More

What do we believe in at

Last year our team gathered at an offsite to consider issues with current CDN providers and the problems with use of global content delivery solutions. We recognized the closed nature of the distributed networks available and at the same time identified the deployment and distribution limitations of the excellent opensource tooling required for content delivery clouds (such as Varnish Cache for HTML caching). These issues lead us to build

Read More

Managing Varnish Cache Hit Rate During Deployment

As you work on new features in your application it is important to keep your Varnish VCL code up to date with your application’s needs.

Read More

Varnish Logs Centralized and Managed by Elasticsearch, Logstash and Kibana

Sometimes when you are working on Varnish you want to pinpoint a specific request that has happened. For example, your customer service team reports that customers are seeing a “Guru Meditation” error.

Read More

Varnish Monitoring using Graphite for Metrics

Varnish is a great tool in your reverse proxy chain because its superior programming model allows you to make complex caching decisions that are unachievable in other reverse proxy servers.

Read More
Download Performance Guide
Download Now
Subscribe to our Newsletter

Blog Categories

Interested in articles about a specific topic? Click on a category to see all related content. Sign up

Want to get started improving your website performance, scalability, and security? Sign up for a 14 day free trial of and see what we can do for you!

Get started