What is the best free font to use on your website if you want it to look like an old book?
Serif fonts help with readability, and are therefore preferable in the body of a book. The “serif” is the decorative stroke that finishes each end of a letter (think Times Roman). Serif fonts are easier on the reader’s eye than sans-serif fonts; the stroke leads the reader’s eye from one letter to the next.
[Edited out link to Fonts site - no advertising please]
Wót NoahSUMO
Wšykne wótegrona (1)
Some prefer sans-serif fonts and others serif fonts. On a forum like this forum I prefer a mono-space font for posted questions and replies for readability and I use DejaVu Sans Mono via userContent.css. Others may prefer a spacial dyslectic font for easy reading, so you can't please everybody.