Ideal ad unit placement blocks in blogs and websites

Placing ads in the websites and blogs is the popular way to earn money. Many website/blog owners are using Google AdSense, Chitika, Bidvertiser and other advertising networks to display ads in their website. They also use static banners from various affiliates. Traffic is the single most important factor for generating revenue. If you don’t have visitors for your website and blog there is no questions of clicks which is the key for earning money by any ways. Good traffic depends on quality contents and SEO. Here I assume that there is sufficient traffic to the website/blog but publisher is not able to motivate their visitors to click on ads. Clicks are the key to generate revenue. There are two main reasons for lesser clicks – first is an inappropriate ads and second is wrong placement of the ads. Inappropriate means not matching with the contents of the website. When you display ads from well established advertising networks like Google AdSense and Chitika, who has comprehensive list of advertisers, then question of inappropriate ads not arises. Therefore placement of ads is very important.

Ads may come in contextual, image or video formate. Whatever is the form, widely used sizes of these ads are listed below.

  • Leaderboard (728 x 90)
  • Banner (468 x 60)
  • Half Banner (234×60)
  • Button (125×125)
  • Skyscraper (120×600)
  • Wide Skyscraper (160×600)
  • Small Rectangle (180×150)
  • Vertical Banner (120 x 240)
  • Small Square (200 x 200)
  • Square (250 x 250)
  • Medium Rectangle (300 x 250)
  • Large Rectangle (336 x 280)

Placement of above sized ads in your website is very important. You should add the required code in the main html/css file to streamline the appearance of ads there without doing any additional work. However you can add these ads at any place wherever you want. There are limitations on number of ads which can appear on a single page (please refer to your advertising network guidelines). Google AdSense allow maximum of 3 contextual ads per page. Placing the ads is not the only thing you should worry about. It should be placed at appropriate place. It should come as part of your website/blog contents. Following are the proven placed to add “ad blocks” having revenue generation potential.

1)       Top of the website
2)       Sidebars
3)       Start and end of the post/article
4)       Middle of the article

A sample of good placement of ad blocks is shown in following figure.

ad unit block

High earning ad unit blocks

Although placement of ads in above mentioned places has proven value, one shoe never fit all feet. There is no single formula for the success for everybody. You should always try experimenting with different locations. If some ad block is not getting sufficient clicks, you should try other locations. There is no use of wasting time continuing the wrong locations. All advertising networks provide option to put a label to particular ad unit which is embedded in the code. So you can easily track which place of your ad is getting more clicks. Regularly monitor the progress and do the needful subsequently. Ways to add label in ad codes is discussed in another article.


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