what is the difference between bundling and minification ?

Bundling: It’s a group of js and css files that could be referred by unique name.

 

Purpose: The main usage of bundling is, it being loaded with one HTTP request instead of multiple request for each file.

 

Minification : It’s main process is removing of unnecessary white-space from the js and css files.

 

Purpose: The main purpose is to remove line break and comments from code and improving load times by reducing its size of the file

 

Mainly bundling and minification is focusing to increase load time and performance of our application. you can refere below link for more details

 

http://dotnet-helpers.com/mvc/bundlingminification

Bundling and minification are two techniques you can use in ASP.NET 4.5 to improve

 request load time.  Bundling and minification improves load time by reducing the 

number of requests to the server and reducing the size of requested assets 

(such as CSS and JavaScript.)


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https://www.asp.net/mvc/overview/performance/bundling-and-minification