40 Free Online CSS Minifiers To Minify CSS Files

Image Source If you have ever analyzed your site on GTMetrix.com or any other webpage testing/analyzing tools you have definitely had stumbled upon “Minify CSS” recommendation. CSS Minification can certainly improve your web page performance by decreasing page load time. According to Kissmetrics 40% website visitors abandon a website that takes more than 3 seconds to load, 1 second delay (or 3 seconds of waiting) decreases customer satisfaction by about 16%. So bottom line, you need to speed up your web page load time. CSS minification does exactly that, But first you should know what “code minify” means. According to Wiki –
“Minification (also minimisation or minimization), in computer programming languages and especially JavaScript, is the process of removing all unnecessary characters from source code without changing its functionality. These unnecessary characters usually include white space characters, new line characters, comments, and sometimes block delimiters, which are used to add readability to the code but are not required for it to execute.”
So code minification means it will remove white spaces, new line, block delimiters and comments
Source: https://managewp.org/articles/13640/40-free-online-css-minifiers-to-minify-css-files

source https://williechiu40.wordpress.com/2016/10/17/40-free-online-css-minifiers-to-minify-css-files/