Last month, a retiring SEO friend of mine gave me the gift that keeps on giving - a database of AdSense statistics for about a thousand websites he managed. These sites are composed of about one-third “make money online” sites, one-third general blogs, and about one-third celebrity-gossip sites. Most of these sites had PageRanks ranging from 1 to 6, so they represent low to medium volume sites. While the sample set was not from a totally random selection of sites, I thought I’d scrub the data anyway to determine what display properties (size, color, etc) provided the greatest revenue. For this article, I show the relative significance of ad size relative to clicks.
The first table ranks ad sizes based on relative number of ad clicks for text and image ads. A rank of 1 represents the most number of clicks, and 12 represents the least. The results tend to validate the results I’ve seen elsewhere, with larger rectangles and leaderboards producing the best results.
Popularity versus Size for Text/Image Ads
| Ranking | Ad Size |
|---|---|
| 1 | Medium Rectangle (300×250) |
| 2 | Large Rectangle (336×280) |
| 3 | Leaderboard (728×90) |
| 4 | Banner (468×60) |
| 5 | Half Banner (234×60) |
| 6 | Skyscraper (120×600) |
| 7 | Vertical Banner (120×240) |
| 8 | Button (125×125) |
| 9 | Wide Skyscraper (160×600) |
| 10 | Small Rectangle (180×150) |
| 11 | Small Square (200×200) |
| 12 | Square (250×250) |
The next table ranks ad sizes based on relative number of ad clicks for link units. I haven’t seen many articles on link unit sizing, so I can’t compare my results with others.
Popularity versus Size for Link Units
| Ranking | Ad Size |
|---|---|
| 1 | 200×90 |
| 2 | 180×90 |
| 3 | 120×90 |
| 4 | 160×90 |
| 5 | 468×15 |
| 6 | 728×15 |
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