A 5 minute animated video about the history of performance monitoring, as well as a layperson-friendly overview of how Navigation Timing, Resource Timing and User Timing work.

An engineering team found that HAProxy was having a major impact on Elasticsearch query response times. HAProxy 1.4.19 added a feature to resolve this and a simple upgrade shaved 200ms off the average request.

A look at the performance of SPAs when CORS (Cross-Origin Resource Sharing) and the extra HTTP requests it requires comes into play.

There’s more to know about DNS besides the fact that it’s important to your website infrastructure, like how and why the quality of a DNS resolution impacts user experiences. Download our eBook for tips and strategies to improve DNS performance.

Heroku’s existing performance dyno has been renamed and improved and now has 14GB of RAM, and there’s an all new ‘Performance M’ dyno with 2.5GB of RAM.

An engineer at Product Hunt demonstrates how Heroku’s new ‘Performance’ dynos are a great fit for higher end Heroku users currently using a large number of smaller dynos.

A test that uses 200 small images to compare HTTP/1.1 loading performance with HTTP/2.

A well put together and very extensive report based on 6.1 million tests performed. Verizon seems to win across the board.

Includes things like reliance on phones, how a 1 second delay hurts mobile metrics, and how many users max out their data cap.

Deploying updates without disruption is a much desired practice. Amazon’s EC2 Container Service helps make that easier with its tight Elastic Load Balancer integration.