Caching is a complex technology that does one simple thing really well: it makes your website really fast. And speed is critical to the success of your site because people don’t like waiting around for web pages to load. In fact, a study by CDN service Akamai found that 47% of people expect a web page to load in 2 seconds or less, and 40% will abandon a page that takes more than 3 seconds to load. So you’d think that in response websites are shrinking in file size, right? Not so. Today’s average web page requires users to download 2.2MB worth of data compared to just 702KB in 2010. That’s a 317% increase in size thanks to things like images, videos, scripts and fonts. Fortunately, installing a caching plugin can load your site faster – extra files and all. In this article, I’ll cover what caching is and explain the different kinds of caching, but mostly focus on caching plugins and why you need to install one ASAP if you haven’t already. What is Caching? Caching is the process of storing frequently-accessed data temporarily in a cache. To explain it properly, let’s first look at what happens when you don’t use caching: When someone
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