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By David Walsh on February 17, 2019

Recent Features

By Stefan JudisJune 9, 2014
Creating Scrolling Parallax Effects with CSS
Introduction For quite a long time now websites with the so called "parallax" effect have been really popular. In case you have not heard of this effect, it basically includes different layers of images that are moving in different directions or with different speed. This leads to a...
By David WalshNovember 21, 2011
Page Visibility API
One event that's always been lacking within the document is a signal for when the user is looking at a given tab, or another tab. When does the user switch off our site to look at something else? When do they come back?

By David WalshSeptember 29, 2009
Retrieve Google Analytics Visits and PageViews with PHP
Google Analytics is an outstanding website analytics tool that gives you way more information about your website than you probably need. Better to get more than you want than not enough, right? Anyways I check my website statistics more often than I should and...
By David WalshDecember 29, 2011
CSS Circles
A while back I shared a clever technique for creating triangles with only CSS. Over the past year, I've found CSS triangles incredibly effective, especially when looking to create tooltips or design elements with a likewise pointer pattern. There's another common shape...