IntersectionObserver has made lazy loading a lot easier and more efficient than it used to be, but to do it really right you still gotta remove the src and such, which is cumbersome. It’s definitely not as easy as:
<img 
You know the concept of lazy loading images. It prevents the browser from loading images until those images are in (or nearly in) the browser’s viewport.
There are a plethora of JavaScript-based lazy loading solutions. GitHub has over 3,400 …
A new Chrome feature dubbed “Blink LazyLoad” is designed to dramatically improve performance by deferring the load of below-the-fold images and third-party <iframe></iframe>s.
The goals of this bold experiment are to improve the overall render speed of content that …
Most WordPress themes show user Gravatars in the comment threads. It’s a way of showing an image with the user, as associated by the email address used. It’s a nice touch, and almost an expected design pattern these days.
Every …
Lately, I’ve been obsessed with optimizing performance through lazy-loading. Recently, I’ve written on how to lazy-load Google Maps and on how to lazy-load responsive Google Adsense. Now it’s time for Disqus, a service for embedding comments on your …
You’ve been hard at work optimizing your site. You’ve already done things like lazy-loading Google Maps and been wondering if there was anything else you could do. For example, is there anything we can do to improve the loading of …
UPDATE: This is pretty old. If you’re looking to lazy load images these days, I’d recommend looking at:
…
