<FONT FACE="Dragonslayer">Welcome</FONT>

In the above example, the word "Welcome" will be printed in the Dragonslayer font face, right?

WRONG!

Perhaps if you were the one who wrote the code, you might be seeing the Dragonslayer font, but what you probably don't realize is that 99% of your internet audience WON'T see your fancy Dragonslayer font!.

This is because the only font faces that a web-surfer can see, are just those font-faces that the web-surfer has installed on his/her own hard drive!

In other words, when John Doe visits your website, unless John Doe has the exact same Dragonslayer font face installed on his own hard drive, John Doe is not going to see your fancy Dragonslayer font. John Doe will more than likely see "Welcome" printed in his browser's default font face which is probably Times New Roman

Therefore, you are virtually left with no choice but to limit your font usage to fonts that come standard with Windows, such as:
Times New Roman Arial Impact Verdana Courier Tahoma Sans-Serif

Note: It's also a good idea to limit the number of font faces you use on your webpage, or else your page will start to look like a ransom letter!

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