More than a year ago, Ryan Kirkman and Thomas Davis approached us about a project they were working on. Dubbed CDNJS, the project had ...

The conventional wisdom in web performance circles is that you want to combine multiple javascript and CSS files. The reason for this is that there is significant overhead every time you setup a new HTTP request. More requests, more wasted overhead.

Why Minimize HTTP Requests?

This problem is magnified on ...

CDNJS Selections

CDNJS Selections is a few carefully selected scripts from the full CDNJS collection, which is now hosted on CloudFlare's global CDN. To demonstrate the utility of this open-source repository, today's CloudFlare App is CDNJS Selections, where a click installs the selected JavaScript libraries on your site ...

If you're using a Javascript library, the ideal case is that your visitors arrive on your site with it already stored in their browser's cache. The ...

Tracking Every Error

The utility of JavaScript in modern websites increases daily. Whatever the web application, JavaScript is often the answer. But ...

Some of the techniques that CloudFlare uses to make sites faster and safer have generally been around and used by the Internet Giants for some ...