HTML (HyperText Markup Language) is a format used for web pages. Behold can produce HTML output that can then be put up on a website. This is done with the File -> Export -> HTMLcommand. The webpage reproduces the Everything Report almost exactly.
Behold produces the HTML output as a single web page. Currently there is no option to produce the output as multiple pages.
Note that very large genealogy files will correspondingly result in very large HTML files. Web browsers may have trouble loading very large HTML files.
The hyperlinks in the HTML output all work properly. Most hyperlinks are blue in most browsers. When the mouse is over a hyperlink, the hyperlink may change color, may get underlined, and the cursor may change to a pointer, e.g.: