On 24 February, Google announced the block suppression of Adwords sponsored ads in the right column and, in parallel, the addition of one supplementary ad at the top, bringing the number of top premium ads to 4. The visibility of the organic ads being buried at the same time behind the “advertising” block.
In order to better understand the impact of the right Adwords block suppression on the composition of pages, two weeks ago we released a small SERP study on Google.fr.