1617807573-Image_Optimization_Lighthouse_Comparison

By David Walsh on April 28, 2021

Recent Features

By David WalshJune 2, 2015
7 Essential JavaScript Functions
I remember the early days of JavaScript where you needed a simple function for just about everything because the browser vendors implemented features differently, and not just edge features, basic features, like addEventListener and attachEvent. Times have changed but there are still a few functions each developer should...
By Garris ShiponSeptember 17, 2014
Responsive and Infinitely Scalable JS Animations
Back in late 2012 it was not easy to find open source projects using requestAnimationFrame() - this is the hook that allows Javascript code to synchronize with a web browser's native paint loop. Animations using this method can run at 60 fps and deliver fantastic...

By David WalshNovember 18, 2009
AJAX For Evil: Spyjax with jQuery
Last year I wrote a popular post titled AJAX For Evil: Spyjax when I described a technique called "Spyjax": Spyjax, as I know it, is taking information from the user's computer for your own use — specifically their browsing habits. By using CSS and JavaScript, I...
By David WalshMay 10, 2011
CSS Rounded Corners
The ability to create rounded corners with CSS opens the possibility of subtle design improvements without the need to include images. CSS rounded corners thus save us time in creating images and requests to the server. Today, rounded corners with CSS are supported by all of...