Over a series of articles, we’ve been building a sample application — a multi-image gallery blog — for performance benchmarking and optimizations. At this point, our application serves the same image regardless of the resolution and screen size it’s being served in. In this tutorial, we’ll modify it to
CDN – you keep seeing the acronym. Maybe in URLs, maybe on landing pages, but it never quite clicked – what are Content Delivery Networks, what do they do exactly?
We’ll explain in this overview article, and demonstrate on two popular ones in followup posts.