This video provides an initial introduction to what caching is for those people who may not have all the information or fully understand it. In this video, learn about built-in browser caching and discover how it works, followed by an explanation about the caching API and its benefits.
- In this chapter, … we're going to talk about Caching. … So what is Caching? … The general idea is … that it's quick access data storage. … Any data which you access regularly or repeatedly … can be stored in a Cache to improve performance … when accessing that data. … This means less processing. … And when talking about Front-End Caching … that results in less HTTP overhead. … It can also mean less load on your server … even if you don't have … any server side scripts. … As a rough guide to how this works on the Front-End. … First, your application makes a request … to the server for a resource. … The server responds with the requested resource … in the HTTP Response. … If we are caching that resource, … then the response is stored in the Cache … on its way back to the browser. … This means the next time the application requests … that resource, it can first check … the Cache for it, … So it doesn't have to go … across the network to get it. … Browsers do this by default for some resources, …
Skill Level Advanced
Web Programming Foundationswith Morten Rand-Hendriksen58m 44s Beginner
1. Front-End Performance Tools
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