Methodology & Sources
Internet data are provided by the IAB, on whose behalf PricewaterhouseCoopers conducts a biannual survey. The search market is largely estimated due to a lack of participation in the survey from search companies.
Search advertising is defined by the IAB as fees advertisers pay online companies to list and/or link their company site domain name to a specific search word or phrase (includes paid search revenues). These include:
• Paid listings – payments made for clicks on text links that appear at the top or side of search results for specific keywords. The more a marketer pays,...