Google’s Matt Cutts On “Over Optimization”
Matt Cutts reviews the question “Is over optimization bad for a website? Ex. - excessive use of nofollow.” which is a pretty interesting question that many clients will ask.

Can you truly over optimize a site? My answer, Absolutely! I see websites all day long that contain way to much keyword density, long keyword stuffed titles, long & lame meta descriptions and choppy spammy type content that users wouldn’t read if they had to. Although Google does not have a set criteria on what is “to …