Reports from WebmasterWorldshow that Google is testing AdWords and AdSense ads with the display URLs in all caps.

As you may remember, Google AdWords recently changed their display URL policy to require the display URLs to be lowercase.

But some advertisers are claiming, at least on the AdSense side, the display URLs are sometimes being converted to all caps. One said:

In fact, many advertisers continue to enter the display URLs for their ads in various cases just in case Google changes their mind. Another advertiser explained, “I still cap words in the URL. You never know, they might change their minds about it.”

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Forum discussion at WebmasterWorld.