Beginner-friendly guide explaining how the internet works: how websites load, what a server is, and how data travels online, ...

How quickly should a page load? “As quick as possible” is the short answer. But that isn’t always as easy as it sounds. For most websites, a lot of effort will have to be made to improve page speed, ...

You click on a product page and wait seconds just to see the first image load. But why didn’t the image load? Because it might have been lazy-loaded. Lazy loading ...