Leverage HTTP to deliver cacheable Drupal websites

Websites, web applications and APIs, they all speak HTTP. As a developer most of us are familiar with HTTP, but when it actually comes to creating cacheable web content, there is still a lot to be learned.

In this presentation I will show you how to leverage specific headers to achieve a maximum hit rate without losing touch with some of the challenges of real-life web projects.

The following topics will be covered:

• The syntax of cache-control headers
• How to use cache-control headers to control whether or not to cache
• How to use cache-control headers to control the time to live of our cached objects
• How to deal with cookies 
• How to separate stateful from stateless content
• How to architect content blocks in your code using Edge Side Includes and AJAX
• How to boost your performance by adding a reverse cache proxy like Varnish
• How to invalidate your cache
• How to leverage Content Delivery Networks
• How to create cache variations
• How to reduce backend load and bandwidth by performing conditional HTTP requests
• How Page Cache, Dynamic Page Cache & BigPipe offer out-of-the-box solutions