Try it out on a free dummy site here => https://demo.tastewp.com/minify-html-markup
Ever look at the HTML markup of your website and notice how sloppy and amateurish it looks? The Minify HTML plugin cleans up sloppy looking markup and minifies, which also speeds up download time.
Make your website’s markup look professional by using Minify HTML. Easy to use, simply install and activate (with additional options for advanced settings).
Minify HTML also has optional specialized minification for JavaScript and internal CSS. It doesn’t mess with your textareas or preformatted text.
Settings options to removes HTML, CSS and JavaScript comments (leaving MSIE conditional comments), remove unneeded XHTML closing tags from HTML5 void elements and remove unneeded relative schemes and domains from links.