What is web server and how does it work?

A web server is a computer that runs your website. If you create a website, you will need a web server to run and keep it online.

The web server stores all the files on your website and delivers them to the users on request.

These website files can be of any type like HTML Document, Images, JavaScript Files, CSS Stylesheets etc.

A web server software is installed on a web server which handles the requests of the users.

This web server is always connected to the Internet and exchanges the files of your website with other users connected to the Internet.

Web Server software uses HTTP ie Hyper Text Transfer Protocol to exchange these files.

In addition to HTTP, a web server also uses SMTP (Simple Mail Transfer Protocol) and FTP (File Transfer Protocol).

SMTP is used for emailing while FTP is used for transferring files.

In simple words, the job of a web server is to store the files of your website, make them accessible to the people and keep your website always online.

If we do not make a web server available to the public and use it internally inside an organization, then this server is not called a web server but is called an intranet server.

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What is the difference between website and web server? Difference Between Website And Web Server

A website is a collection of web pages whereas a web server is a computer that accesses your website on the request of Internet users.

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How does a web server work? How a Web Server Works

Whenever a user enters the URL of your website in the address bar of his web browser, his web browser requests to access your website from the Internet.

Now a Domain Name Server (DNS) converts the URL that the user has entered in his web browser into an IP address which is telling the address of your web server.

Note: Friends, for your help, let me tell you that every device connected to the Internet has an IP address so that we can find it.

Now when your web server is found, the user’s request is delivered to your web server. In response, your web server delivers your website’s files to that user’s web browser, which looks like your website.

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Basic information about Web Server Software:

Friends, in today’s time, most websites use Apache Web Server Software, which is a free and open-source cross-platform web server software.

Apache HTTP Server is developed and maintained by an open community of developers under the Apache Software Foundation.

Apart from Apache, there are some other web server software which are quite popular like Nginx, Microsoft IIS etc.

Types of Web Servers. Types of Web Servers:

Friends, there are many types of Web Servers, some of which are as follows:

Apache Web Server:

Apache Web Server

The web servers that use Apache Web Server software are called Apache Web Servers.

As I told you above, this is a very popular and most used web server. In today’s time, more than 40% of the websites available on the Internet use Apache Web Server.

The official name of Apache Web Server is Apache HTTP Server.

This web server uses a modular structure, due to which it is very easy to customize. Since it is an open-source software, you can also add your own modules according to your needs.

Apache HTTP Server supports almost all well-known operating systems such as Linux, Windows, Mac OS X, Unix FreeBSD, etc.

The latest version of Apache HTTP Server can handle more requests than ever before.

Nginx Web Server:

Nginx Web Server

It is the second most popular web server of today after Apache. Like Apache, it is also an open-source software.

We pronounce Nginx as Engine-ex. Nginx started as a web server that could provide maximum performance and good stability. However, Nginx can do more than just act like an HTTP web server.

This web server can act as a proxy server for email (IMAP, POP3, and SMTP). Apart from this, it can also act as Reverse Proxy and Load Balancer for HTTP, TCP, and UDP Servers.

In today’s time, more than 7.5% of the websites available on the Internet are using this web server. In view of its popularity and good performance nowadays Many Web Hosting Companies has started using it.

Microsoft IIS Web Server:

Microsoft IIS

As its name suggests, this web server is a product of Microsoft Company. Like both the above web servers, it is not open-source software, due to which you cannot easily add your modules to it.

However, this web server also provides you all the features like Apache. Along with this, you also get support from Microsoft if needed.

LiteSpeed ​​Web Server:


LiteSpeed ​​Web Server is also a very popular web server software that is used by more than 6.4% of the websites available on the Internet.

Like Microsoft IIS Web Server, it is also not an open-source software. Although its company has also released an open-source version of it which we call OpenLiteSpeed.

This software uses the same configuration format as Apache Web Server and is compatible with most of the features of Apache.

Friends, apart from these four, there are some other popular web servers like Apache Tomcat, Node.js, Lighttpd etc.

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