This Week in Website Performance

This Week in Website Performance is a weekly feature of the blog. It summarizes recent articles about website performance. How to make yourweb site better, how to improve your users experience when they come to your website and how to optimize the overall experience. Why? Because your friends at care.

The Answer to Your Mobile Strategy and Performance Could Simply be… ESI

Author: Barbara Bermes.

Edge Side Include (ESI) is an XML-based markup language that can help with your mobile strategy. Where you might have separate content for detected devices, you definitely want to avoid separate URLs or redirects. ESI allows for dynamic content assembly at the edge of the network. Positioned in such a way as part of a CDN, any additional load is relieved from the server while the client receives only the data intended for it.

12 Powerful And Easy Ways To Speed Up Your WordPress Website

Author: Kumar Gauraw.

These 12 tips should be required reading for anyone with a WordPress site to maintain. Even if you had it tweaked and perfectly setup at the beginning, it is a good idea to have another look at the configuration to be sure everything is as you expect. Run performance tests periodically to catch wind of any degradation using the easy tools at From minimising plug-in bloat to image sizes to utilising caching and CDNs, this comprehensive guide will keep you delivering your content so that users and google are happy.

Six Tips for a High-Performance Mobile Site

Author: Roland Campbell.

This short series of slides is an easy to digest reminder of some basics to website performance optimisation. With a short descriptive writeup for each slide, it’s possible to generate an action plan to get started on your site’s improvement.

The Terrible Website Performance Mistakes of Mobile Shopping Sites in 2013

Author: Andreas Grabner.

There are lessons to be learned in the mistakes of others. This short article highlights the mistakes a couple of ecommerce websites made, and the significant improvements that can be made with fairly easy effort. It’s interesting to see how some of the big players make fundamental errors – a trap anyone could fall into.

Speed Up Your Mobile Website with Varnish

Author: Rachel Andrew.

Interest in, and the subsequent traffic to, a website is anyone’s goal. If it comes on all of a sudden however, existing infrastructure might not be able to handle the increased demand. Use of a cache can make the difference between a site staying up or becoming unavailable. This article discusses one such cache – Varnish – and hopefully you will consider being ready to use any one of the many caches available.


Author: Alan Kasindorf aka Dormando

This short and amusing story-formatted look at memcache is a nice read on how the product works. The simplified and charming methodology leaves me wanting to implement memcache everywhere. If you are not quite sure how memcache works, or would like to read a geeky little story about it for any reason, this one’s for you. There’s a link to a webcomic based on this… when you have time after implementing caching.