Overview on Client side & Server side.
Client side: To open a website we usually open our browser in our laptop/desktop computer(Client PC) and put URL’s (Request), the browser then send request to the Server then the server send(Response) the page/site to the Client PC and run in the browser.
Server side: The server is home of Web page and other content. After getting a request from client, Server does some internal process to deliver the requested website/page to the client.