“The first 6 bits of fonts on this list are considered “web-safe” - they’re supported by all major browsers on any platform. The fonts in the following 2 bits come pre-installed on most but not all systems. The fonts in the last 8 bits are mainly used for decorative purposes, and implemented on the Web as sIFR or saved as images.”

Read More:

http://www.inspirationbit.com/16-best-loved-font-bits-in-web-design/