Contextual advertising
Implementing analytics for contextual advertising in helps track payback and optimize budgets.
Yandex Direct
Monitoring the results in Yandex Direct helps you adjust your ads in a timely manner and increase their effectiveness.
Google AdWords
Keyword analysis for contextual advertising by helps to increase CTR and reduce customer acquisition costs.

Yahoo ads
Optimization of advertising campaigns in Yahoo Ads с rcm2014 reduces the cost of attracting customers and increases conversion.