ADS Placement

A - To put on header(Leaderboard) - Placing texts only ads is most effective for this type of placement where by the ads was placed at the top & most viewable point. It maximizes the clickability of your visitors hence increasing your CPC earnings.

B - To put on sidebar(Skyscraper) - Usually image ads is best place at sidebar. It give your blogs or website looks more lively & colourful.

C - To put on between contents(Large Rectangle) - Image ads placed between contents give more option to visitors to scroll thourgh your blog/websites.