In a Google Groups thread, a forum member worries that Google is spotting the wrong character encoding for his web site. In particular, he states that Google is finding that the site is US-ASCII rather than UTF-8.

JohnMu says that this is not a problem, however.

According to John, the only times he’s encountered Google reporting wrong encoding was when there was an actual issue wrong with the site, so in other words, this should not be a serious issue.

Forum discussion continues at Google Groups.