As you can see in the following infographic from Cartridge Discount, fonts used for the web differ from ones designed for print. This graphic also explains the difference between serif and sans serif, and how most people have been mistakenly using the word “font” when writing online about “typefaces”. via Infographic: Everything You Ever Wanted to Know About Fonts | The Digital Reader.

For more information about fonts also see the infophile.ca resource Typography and Type Design.