We’re fans of Custom Elements around here. Their design makes them particularly amenable to lazy loading, which can be a boon for performance.
Inspired by a colleague’s experiments, I recently set about writing a simple auto-loader: Whenever a custom …
Most images on the web are superfluous. If I might be a jerk for a bit, 99% of them aren’t even that helpful at all (although there are rare exceptions). That’s because images don’t often complement the text they’re …
UI components like spinners and skeleton loaders make waiting for a page load less frustrating and might even affect how loading times are perceived when used correctly. They won’t completely prevent users from abandoning the website, but they might encourage …
Interesting research from Aaron Peters on <img loading="lazy" ... >:
…On my 13 inch macbook, with Dock positioned on the left, the viewport height in Chrome is 786 pixels so images with
loading="lazy"that are more than 4x the
This is a very clever idea via Arthur Corenzan. Rather than use the default YouTube embed, which adds a crapload of resources to a page whether the user plays the video or not, use the little tiny placeholder webpage that …
In this week’s roundup of platform news, Chrome introduces a new attribute for loading, accessibility specifications for web developers, and the BBC moves visualizations to the Shadow DOM.…
The irony of web performance is that the average page weight of a site continues to go up year after year, despite us being more aware of the problem and having more tools at our disposal to fight it than …
You may have heard (or even issued the call) that “we can just use lazy loading!” when looking for a way to slim down a particularly heavy web page.
Lazy loading is a popular technique for gradually requesting images as …
Today’s websites are packed with heavy media assets like images and videos. Images make up around 50% of an average website’s traffic. Many of them, however, are never shown to a user because they’re placed way below the fold…
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 …
