Feb 14
17
On Wednesday/Thursday of last week, Google added a new guideline to their Webmaster Guidelines to “not block a destination URL for a Google Ad product” via your robots.txt file. 24-hours later, Google reversed that guideline and put the webmaster guidelines back to exactly how they were… Please visit Search Engine Land for the full article.
Go here to see the original:
Google Adds, Then Pulls, Advice Not To Block Ad Landing Pages From Its Crawler