Smart tips to compress HTML in wordpress - Minify HTML
OpenCart - HTML Minify | Compress code | SourceCode Compressor
Absolute HTML Compressor - optimize HTML files
Best HTML Minifier To Minify & Compress HTML Files | SEO Magnifier
HTML Compress Online | HTML Optimizer | MyFreeOnlineTools
HTML Compressor - Speed up your web pages.
Compress HTML
Online HTML, Css and Javascript Compressor Tool | Cool Seo Tools | Cool SEO Tools
4 Top HTML Compressors To Improve Your Site's Speed
HTML Compressor Tool - Best HTML Minifier Online Tool
HTML Compressor - Reduce Html File Size Online | SEO Tools
Best HTML Minifier (also remove comments)
GitHub - kangax/html-minifier: Javascript-based HTML compressor/minifier (with Node.js support)
Best HTML Minifier To Minify & Compress HTML Files | SEO Magnifier
GitHub - Gheotic/ESP-HTML-Compressor: This Python script, minifies and converts HTML,CSS and Javascript files, to an char array of hex values. Which is to be stored in the ESP progmem.