Retail websites account for more than half of the top 20 most visible advertisers in Google paid search, according to a new report from Searchmetrics.
Question answering site Ask.com actually takes top spot for paid search, with Amazon and Zappos taking second and third respectively.
The findings come from a study into the top 20 most visible sites in paid search on Google.com and a similar list for the top performers in organic search.
To find out more about paid search, check out our new Paid Search Marketing (PPC) Best Practice Guide.
It includes best practice around mobile paid search, integrating paid search with other channels (including offline), and takes into account Google’s new Enhanced Campaigns function.