Which converts better

I run usually two blocks of ads near the tops of some article pages.

Which do you find better - two large rectangles side by side, OR, two leaderboards stacked?

 

large rectangle and wide skyscrapper are the most successful ad blocks...

 

I think ad placement heavily depends on your site design, your site colors and ad block colors as well.... it will also depend on your site niche and target users as well

 

Large rectangles. However, Having two side by side looks way too much.

 

LArge Rectangle is the best

 

agreed with Vatu

Steve
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www.ladwars.com

 

i use rectangular forms on my sites.i use vertical ones too... but my choice is rectangular forms

 

I normally use a top link unit with side ads unit but think i should start trying out the large rect. ones