The three tiers

A three tire architecture consist of the user tier which is the part of the website you see and interact with like your mobile device's computer's which you can access the web through different browsers. Then you have the computer hardware connected to any website which is the called the server tier. How the server tier works is when you type in the search bar what you want the server tier will respond and send back the web page that you requested. also sending and receiving these through web servers to and from clients. Another type of server that runs on the server tier is the commerce server which obtains product data from a database that manages the items. The last tier we will talk about is the database tier which is your computer's and programs that process the data for a website