What is Web Server? Examples, Features, and How it Works

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What is Web Server

Web servers are one of many key parts within the internet infrastructure and are used to serve web sites to customers all over the world. On this planet of technology, it is a software or program that features to obtain requests from the consumer’s browser and ship again the requested web page.

It also has some necessary options like caching,load balancing, in addition to safety which is necessary to take care of web site efficiency and stability. Nevertheless, to grasp in depth about net servers, we have to know the way they work, examples of generally used ones, and the options they supply. On this article, we’ll talk about in full about web servers, examples, options, and the way they work.

What is Web Server?

What is Web Server?
Web Server and Application Server | Explained 🔥🔥 – YouTube

A web server is a computer program that features to serve requests from clients or customers through the HTTP or HTTPS protocol within the type of net pages. In a extra common sense, an online server is a machine or pc which functions as an information storage middle and purposes associated to an internet site or website.

It processes requests from clients comparable to retrieving net pages from the arduous disk, executing scripts or net purposes, accumulating information from databases, and sending the requested net pages again to the shopper through the web community.

Technically, it features as a link between the browser or client application and the web application and database situated behind it. This web site might be run on numerous platforms comparable to Home windows, Linux, and Mac OS, and may use numerous sorts of server software program comparable to Apache, Nginx, IIS, and others.

This web site additionally supplies numerous options and performance comparable to caching, load balancing, SSL/TLS encryption, and others that assist enhance web site pace and safety. Because the centerpiece of a web site, it’s important to the success in addition to the steadiness of the web sites hosted on it.

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Web Server Functions

Web Server Functions
Web Server Functions

This web site helps in numerous issues associated to HTTP and HTTPS protocols. With this, there are a number of full net server features, as follows:

1. Presenting Web Content

A web server functions as a center for storing and serving web content created by web site builders. When a consumer accesses a web site, it fetches the requested web page from the arduous disk which then sends it to the consumer’s browser through HTTP or HTTPS protocol.

2. Processing Requests

Internet servers course of requests from customers through HTTP or HTTPS protocols. This course of consists of analyzing the request, retrieving the mandatory information from the server, operating the script or web application, and sending the outcomes again to the consumer’s browser.

3. Provide Access to Database

This net also can operate as a link between web applications and the database situated behind them. Thus, it permits net purposes to retrieve information from the database and show the outcomes to the consumer.

4. Manage Server Resources

Web servers will also be used to handle server sources comparable to CPU, RAM, and bandwidth. It will possibly allocate these sources effectively in order that it might deal with a excessive variety of customers and requests with out experiencing server failure.

5. Provides Security Features

Web servers can present numerous security measures comparable to SSL/TLS encryption, use of digital certificates, and consumer authentication. This characteristic helps shield web sites from assaults and retains consumer information protected.

6. Perform Load Balancing

Web servers can perform load balancing or workload regulation to make sure that server sources are used effectively and customers don’t expertise lengthy ready occasions when accessing web sites.

7. Save Server Logs

Web servers also can retailer server logs which file all actions that happen on the server comparable to consumer requests, server errors, and others. These logs can be utilized to carry out server evaluation and troubleshooting.

In its entirety, it serves as the center of the web site and is important to the success and stability of the web sites hosted on it.

Example Of Web Server

Example Of Web Server
Web Server Examples

The next are some generally used examples:

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Apache HTTP Server: Apache HTTP Server is the preferred and broadly used open-source net server worldwide. Apache might be run on numerous working techniques comparable to Linux, Windows, and Mac OS. Apache additionally supplies options comparable to caching, SSL/TLS encryption, and extra.

1. Nginx

Nginx is an open-source net server and reverse proxy server that may be very quick and may deal with many consumer requests. Nginx will also be used as a load balancer and cache proxy.

2. Microsoft IIS

IIS or Internet Information Services is an instance of an online developed by Microsoft and designed to be used on the Windows working system. IIS supplies options comparable to caching, consumer authentication, and SSL/TLS encryption.

3. Lighttpd

Lighttpd is an open-source web site that’s quick, mild, and might be run on numerous working techniques comparable to Linux, FreeBSD, and Mac OS. Lighttpd additionally helps options comparable to caching, FastCGI, and SSL/TLS encryption.

4. Tomcat

Apache Tomcat is a Java web tool used to run Java web applications. Tomcat will also be used as a servlet container to run Java net purposes created with numerous Java frameworks comparable to Spring or Struts.

Every web site has its personal advantages and disadvantages relying on the aim and wishes of its use. Due to this fact, earlier than selecting the best web site, a number of components should be thought of comparable to efficiency, safety, scale and required options.

How Web Servers Work

How Web Servers Work
How do Web Servers work?

The next is an entire rationalization of how an online server works:

1. The user makes a request

Users enter the URL of the web site they need to entry into the browser. Then, the browser will ship a request to the net server.

2. Web Server Receives Request

The online server will obtain requests from the consumer’s browser through the HTTP or HTTPS protocol. This protocol permits net servers and browsers to speak correctly.

3. Web Server Processes Requests

The web server will course of requests obtained from customers. This course of consists of analyzing the request, retrieving the required information from the server, operating the script or net software, and sending the outcomes again to the consumer’s browser.

4. Web server Provides Content

The web server will serve the net pages requested by the consumer. The web content in query might be textual content, photographs, movies, or different information generated from an online server.

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5. User Receives Response

After the net server serves net content material, the browser will obtain a response from the net server. This response will comprise the net content material requested by the consumer.

6. Browser Displays Web Pages

After receiving a response from this web site, the browser will show the web page to the consumer. This net web page shall be displayed within the browser within the format specified by the net developer.

7. Process Complete

As soon as the consumer receives the requested net web page, the web site entry course of is full. Customers can entry different web sites or shut the browser when completed.

Within the working course of, there are a number of elements such because the HTTP/HTTPS protocol, software program, and web content served by the server. Every of those elements has an necessary function in guaranteeing that the web site might be accessed rapidly and stably by customers.

What are the Web Server Features

What are the Web Server Features
Web Server Features – E-Commerce – Lecture Slides | Slides …

Following are some frequent features supplied by web servers:

1. HTTP/HTTPS Protocols

Web servers assist the HTTP (Hypertext Transfer Protocol) or HTTPS (HTTP Secure) protocol for sending and receiving information over the web community.

2. Static Content Support

Web servers can serve static content material comparable to HTML information, photographs, movies and different documents immediately from the server with out the necessity to course of requests with server purposes.

3. Dynamic Content Support

Web servers also can course of requests for dynamic content comparable to net purposes, scripts, and packages that run on the server.

4. Caching

Web servers can cache net content to hurry up entry occasions and cut back server load.

5. Load Balancing

Web servers can distribute workloads throughout a number of servers to enhance efficiency and availability.

6. Virtual Hosting

Furthermore, this web site can assist a number of domains or multiple subdomains on one server utilizing a digital internet hosting configuration.

7. Security

Not solely that, this web site can present numerous safety features comparable to SSL/TLS encryption, consumer authentication, safety from DDoS assaults and hacking, in addition to limiting entry to sure net content material.

8. Server-Side Scripting

This web site helps programming languages ​​comparable to PHP, Python, Ruby, and others to run net purposes on the server side.

9. Logging

The web server can file entry exercise and errors on the server for analysis and troubleshooting.

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