JS Minify is the process of minifying code on a web page script's files. This is one of the main methods used to reduce load time and bandwidth usage on websites. JS minifier tool allows you to compress and minify all of your JS code up to 85% of its original size. Just simply copy your JS code and paste your code in the textarea and hit the minify button to compress and copy compressed code by clicking on the copy button.
New to Minify JS?
Using our free online Minify JS tool is simple:
Drag/Paste in your script or upload the source code file.
Hit the minify Js button.
Download the minified code file or copy the minified code output.
Minify JS Overview
Minification of JS technique which compresses your code and markup in your web pages and script files by removing unnecessary elements such as
-unnecessary white space characters, newline characters, comments
-Shortens variable names, usually to single characters
-Joins consecutive var declarations
-Converts arrays to objects where possible
-Optimizes if statements
-indentation and the compressing of the text variable
-Calculates simple constant expressions
and etc. from your website’s source code without impacting its performance.
Minification of Js definitely improves site speed and accessibility, precisely transforming into a Great user experience. Js Code minification does not impact the functionality of the source code. It, however, reduces load time and your web app’s performance because you minimize the size of the script file for download.
How does minifying JS affect page performance?
Whenever a page loads in the browser, it needs to download, parse, and execute JS files. As this happens on the main-thread, it prevents the browser from relating to other tasks during initial page load. The larger the JS files are, the extended they will take to download, and the longer they will block the main thread. Your page performance can be developed by reducing the loading of these js files. JS Minification reduces JS file sizes by extracting the elements that the browser doesn't need for rendering purposes.