How long should I wait before evaluating the effects of a change in my title tags? I changed my title tags on 9/23/10 to a more SEO friendly format and want to know if the changes has worked. How long should I wait before checking rankings?
First you have to wait until Googlebot crawls the page and finds the new title. Shortly after that, the new title should show in Google's SERPs display. But it could take up to several more weeks for the ranking to completely adjust to the change.