tutaarchi.blogg.se - Program that lets you surf the web

When you type a web address into your browser (for our analogy that's like walking to the shop):

Assets: This is a collective name for all the other stuff that makes up a website, such as images, music, video, Word documents, and PDFs.

Code files: Websites are built primarily from HTML, CSS, and JavaScript, though you'll meet other technologies a bit later.

Component files: A website is made up of many different files, which are like the different parts of the goods you buy from the shop.

This is like the language you use to order your goods.

HTTP: Hypertext Transfer Protocol is an application protocol that defines a language for clients and servers to speak to each other.

This is like looking up the address of the shop so you can access it.

The browser needs to find out which server the website lives on, so it can send HTTP messages to the right place (see below). When you type a web address in your browser, the browser looks at the DNS to find the website's real address before it can retrieve the website.

DNS: Domain Name Servers are like an address book for websites.

In our example, this is like a car or a bike (or however else you might get around). This is like the transport mechanisms that let you place an order, go to the shop, and buy your goods. TCP/IP: Transmission Control Protocol and Internet Protocol are communication protocols that define how data should travel across the internet.It's basically like the street between your house and the shop. Your internet connection: Allows you to send and receive data on the web.

In addition to the client and the server, we also need to say hello to: On the other end of the road is the server, which is a shop you want to buy something from. On one end of the road is the client, which is like your house. There are many other parts involved, and we'll describe them below.įor now, let's imagine that the web is a road. The client and server we've described above don't tell the whole story.