Caching: Cache-Control header

The easiest way to ensure that your web requests are going to be cached by front end consumers, such as…

Content separation

Every type of content was not created equal. Nor should it be served the same way. At a high level, you can separate your…

Migrations: Getting there faster

Migration scrips. We’ve all had to write them. They are the background, throwaway scripts that don’t…

n+1 problem

One of the more frequent performance mistakes developers make is also perhaps one of the simplest to avoid and fix. n+1 problem can be…

Caching: Understating the scope

It’s not what you look at that matters, it’s what you see. — H.D. Thoreau

Caching: File system

Perhaps the most effective caching mechanism is in-memory cache. Tools like memcached and redis give a great…

Performance mantras

Rules of web application performance

Performance != Scalability

External dependencies

In this day and age, more and more applications leverage external services. So much so, that only about 6% of all sites…

Local Personalizations

Unless you are running a complete brochureware site, chance are, you have some sort of content personalization…