- - Google
- -- Google SEO News and Discussion
- ---- Commented out text and Google
robert76 - 12:51 am on Mar 15, 2012 (gmt 0)
Unique on each page that has it. Small percentage. Usually refers to product specification changes so that we can track them.
Thread source: http://www.webmasterworld.com/google/4429245.htm
Brought to you by WebmasterWorld: http://www.webmasterworld.com