User2130758966 posted
I thought when this happened it meant that the font/language was not installed in the users browser.
There is a lang="ru" attribute that you can apply to <html> <div> or <span>.
I developed some pages with russian text for the first time last week and I did not do anything special, it just worked first time for me. Try looking at this page and see if it is visible for you:
In fact I did have one problem - the filenames wouldn't upload to my server when I had the cyrillic (russion) characters in the filename so thats why the file is called russian-looking-for-a-job.aspx above.