The less weigh and occupy an HTML file, much better, because it will load much faster on the server and the view of web pages will be much faster. Nontube HTML Compressor is a simple utility, totally free, that will make them weigh much less than usual.
Despite the reduction in size, the file is still working perfectly, with the only difference that your visitors will be more grateful, because they will be loaded much faster thanks to Nontube HTML Compressor.
Actually, Nontube HTML Compressor does not alter anything of importance of the source code, it only eliminates all those expendable elements (blank spaces, comments, line breaks, etc.).
You can free download Nontube HTML Compressor and safe install the latest trial or new full version for Windows 10 (x32, 64 bit, 86) from the official site.
Devices: Desktop PC, Laptop (ASUS, HP, DELL, Acer, Lenovo, MSI), Ultrabook
OS: Professional, Enterprise, Education, Home Edition, versions: 1507, 1511, 1607, 1703, 1709, 1803, 1809