Google Supplemental Index Info Page
Google Supplemental Index now mainstream, tag dead
The Google Supplemental Index is not going away, however, the tag that displays on supplemental results is. Onl July 31st, Google announced that they will drop the Supplemental tag from showing in the SERPs. …we’ve decided to stop labeling these URLs as “Supplemental Results.” Of course, you will continue to benefit from Google’s supplemental index [...]
