Difference between web server and application server

 A server is a central hub where the web applications access and store information over a network. There are 2 types of server which is often used in software or web application development.  

1. Web server
2. Application server

Web Server : 

A web server handles http protocols by sending responses in the form of html page or files of web application based on the client request. 

Examples of web servers are-

• Apache Tomcat
• Nginx

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Application Server : 

An application server exposes business logic to clients upon sending request. Application server contains EJB container component to run enterprise applications.

Examples of application servers are-

• Weblogic
• JBoss

Source

Difference between Web server and Application servers :