A web server generally acts as a delivery agent where website content is stored and delivered. Depending on the client's desire, these could be texts, videos, images, application data, and much more. When a user clicks on a specific link or chooses to download a document that has been presented on the web browser requested data from the website.

🔯what is the web? 🤔

Most people get confused between the web and the internet and think that both are the same, but it’s a false statement. We can say that the web is a subset of the internet.

The web is a collection of billions of documents, interconnected by the web which is stored on the internet. Whereas, with the help of the internet we can share information over the web and most of the big portion of the internet is covered by the web.

In other words, we can say that the web is the interconnection of many pages which can be accessed through the internet. There are three main components needed to run the web HTML, HTTP and URL.

🔯What is the server?🤔

We sometimes hear that the server of any website or organization is down or busy. We are familiar with these kinds of words which are related to the word server. We are surrounded by data and information in the world of the internet everyday billion of users use these billions of data.

To serve users this data we need servers. As humans we cannot serve and process those data, there is a need for machines called servers. So, the server is the computer system that provides service to other computers. These other computers are called client computers. The client connects to the server with the help of the internet.

🔯Working of web servers 🧑‍💻

Websites domain names are used to access web server software, which makes sure that the content of the site is sent to the user who requests it. A web browser, such as Google Chrome will use HTTP to request a file that is stored on a web server. Once the request got received the web server will find the requested content and provide it to the browser via HTTP.

In general, there are numerous stages involved when a browser requests a page from a web server. The URL is entered into the web browser's address bar, and the browser then retrieves the domain name's IP address. This is accomplished by either checking the cache or translating the URL via the Domain Name System, or DNS. As a result, the web server presents the browser to the user.

🔯Different types of the web server software

In the present market we can find various web servers available some of them are:

• Apache: It is one the open-source software which is available and accessible to all. Because of its free availability, the Apache server is liked by everyone. Many of the websites on the internet use this server as it is secure, fast and reliable. The modular design of the Apache web server makes customization simple.

• Nginx: Nginx is another open-source web server that is free to use and contains a POP3/IMAP proxy server. High performance, stability, ease of configuration, and little resource use are all features of Nginx.

• IIS: Microsoft is the maker of IIS. Every feature of Apache is present on this server. However, it is not open-source, and adding customized modules is tricky, making modifications a little challenging.

  This product was created and is maintained by Microsoft, thus it is compatible with every platform running the Windows operating system. In addition, they offer excellent customer service if there are any problems.

• LightSpeed: The fourth-most well-liked web server on the internet is Light Speed Web Server (LSW, a business web server.

🔯Advantages of web server

• It is useful to keep track of a web app's performance and download speed.

• It is more versatile and controllable.

• It is enclosed by security measures.

• Handling the applications is simple.

• It also provides the most accurate view of HTTP transmission.

🔯Disadvantages of web server

• More challenging to customise hosting services.

• Website may go down at any time due to server overload.

• web servers are bit expensive.