Ключевые слова: ad, advertisement, advertiser, advertising, affiliate, banner, business, button, click, commerce, concept, content, cost, cpc, customers, engine, illustration, increase, information, internet, keywords, management, marketing, method, money, net, network, online, pay, payment, per, ppc, rate, result, revenue, sales, search, service, strategy, system, target, text, through, tool, traffic, visit, visitors, web, website, word,