Swanny007 - 11:58 pm on Feb 24, 2010 (gmt 0)

As a follow-up to my question, I switched my main 160x600 ad unit from text&image (where I saw image ads 99% of the time) to text-only. The ads seem to load faster which is good. Now to see if CPM/CTR changes ;-) I'm going to run a test and see if that resulted in less DNS lookups...