If your website displays strange characters instead of linguistic accents or non-Latin characters, it is due to poor website design skills of your webmaster of web design company. Though it is very likely that you won't see these errors because the language of your browser probably matches the one of your website, visitors surfing your German issue with an English browser may notice the problem if your website is not formatted correctly. The same, of course, applies to any language that uses a non-Latin alphabet or accents and as such to all Asian languages. If you want to attract an international audience, setting up a multilingual website is probably the first thing you should do. The technology to display all characters of a particular language correctly requires some expertise, and that is why you need the specialists.
Websites and databases from Mild Lemon are UTF-8 formatted, which is your assurance that your different language sections will display the way they should, regardless of the visitor's browser settings.