UTF-8 is a must for any website that wants to attract the international market on the Internet.

It is the basis for using multi languages and I believe that you will want to take a look at the following information.

Normally I would include the following in the link resources area but I think that the information here deserves more than that.

Here is what UTF-8 and characters sets are about and a description of how they work to make it easier to display local and foreign languages on the web pages of your web site.

Unicode and Character Sets

Cheetsheets, a great way to have a synopsis of helpful clues to get things done.

Here is one that provides a quick look at applying UTF-8 when using Php and MySql.

PHP UTF-8 cheatsheet

Here is the last piece of information that I find to be the most helpful because it offers a visual look to the explanation of using UTF-8 with Php and MySql and how it affects programming your scripts, data, and email when you need to include foreign languages in your work.

Character sets and encoding issues