This graph shows the net digital ad revenue of Google as a percentage of total digital ad revenues worldwide from 2014 to 2016. In 2015, the search engine's share of worldwide digital ad revenues was 33.3 percent.
Google and advertising Founded in California in 1996, Google was primarily created as an online search engine enabling users to generate algorithm-based search results, based on internal page rankings. Although Google Search is arguably the company’s most popular product, Google generates the majority of its revenue through advertising. In 2015, 70.2 percent of the search giant’s revenue was generated through advertising on Google Sites and 20.2 percent of revenue came from advertising on Google network sites. In total, Google’s net revenues amounted to 74.54 billion US dollars, up from 37.9 billion in 2011. Overall, global online advertising expenditure is projected to surpass 252 billion US dollars in 2018.
In 2014, Google was also ranked first in terms of digital advertising revenue of selected online companies, generating more than 16 times the amount of revenue as second-ranked Yahoo.
Digital advertising does not only include search marketing on Google but social, mobile, video, rich media and display advertising. During a 2015 survey of professional marketers, it was found the majority of marketers were planning to increase their social advertising expenditure during the year. With the spread of smartphones and other mobile devices, mobile advertising is also undergoing strong growth trends.