Backend Basics

Diagram explaining what happens when we type google.com into your browser

Performance is determined by the location of the server, the number of trips / HTTP request, size of the files are all important factors.

CDN content delivery network

AJAX allows you to fetch information while the user is still browsing the website get information back from the server as JSON and update website in real time.

HTTP is a language that both front end and backend speak and use to communicate with each other.