Ключевые слова: ad, advertisement, advertising, affiliate, analysis, analysisagement, business, campaign, cash, click, commerce, computer, concept, content, conversion, cost, design, digital, engine, information, internet, marketing, media, money, network, online, optimization, pay, per, ppc, promotion, purchase, revenue, search, seo, service, social, strategy, system, target, technology, traffic, web, website,