percy-integrations-2
Recent Features
![Page Visibility API]()
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?
![Create a Sheen Logo Effect with CSS]()
Create a Sheen Logo Effect with CSS
I was inspired when I first saw Addy Osmani's original ShineTime blog post. The hover sheen effect is simple but awesome. When I started my blog redesign, I really wanted to use a sheen effect with my logo. Using two HTML elements and...
Incredible Demos
![Send Email Notifications for Broken Images Using MooTools AJAX]()
Send Email Notifications for Broken Images Using MooTools AJAX
One of the little known JavaScript events is the image onError event. This event is triggered when an image 404's out because it doesn't exist. Broken images can make your website look unprofessional and it's important to fix broken images as soon as possible.
![Simple Image Lazy Load and Fade]()
Simple Image Lazy Load and Fade
One of the quickest and easiest website performance optimizations is decreasing image loading. That means a variety of things, including minifying images with tools like ImageOptim and TinyPNG, using data URIs and sprites, and lazy loading images. It's a bit jarring when you're lazy loading images and they just...
