Related by context. Frequent words. (Click for all words.) 63 click throughs 56 ROIs 55 CTR 53 banner ads 52 CPMs 51 contextual ads 51 PPC campaigns 49 Adwords 49 ROI 48 Google Adsense 47 SERPs 47 contextual 47 Adsense 47 retargeting 46 Paid Search 46 search engines 46 measurability 46 AdWords 46 keyword 45 Google Adwords 45 metrics 45 Click Fraud 45 advertiser 45 Google AdWords 45 referrers 45 PageRank 45 Efficient Frontier 44 CPCs 44 relevancy 44 webpages 44 advertising 44 behavioral targeting 44 keyword phrase 44 keywords 44 B2B marketers 44 contextually 43 advertisers 43 keyword searches 43 ads 43 referrer 42 Advertisers 42 AdSense 42 contextually relevant 42 spammy 42 contextual advertising 42 SERP 42 SEOs 42 PPC 42 click PPC 41 Search Engines 41 pageviews 41 customer satisfaction 41 measurable ROI 41 SEO 41 Google AdSense 41 KPIs 41 ad 41 Yahoo! MSN 41 Tumri 41 Microsoft adCenter 41 adspend 41 search engine optimization 41 clicks 41 transactional 40 SiteCatalyst 40 Keyword 40 RoI 40 Ads 40 backlinks 40 Omniture SiteCatalyst 40 Ad 40 trackable 40 monetization 40 Media Metrix 40 Chitika 40 keyword phrases 39 cars.com 39 adCenter 39 Google Analytics 39 Adknowledge 39 geo targeting 39 Live.com 39 adverting 39 marketers 39 Pay Per Click 39 KPI 39 multivariate 39 SEO SEM 39 PointRoll 39 iAds 39 touchpoints 39 Marketers 38 Readership 38 Advertising 38 stickiness 38 toolbar 38 Contextual 38 WhenU 38 Experian Hitwise 38 Pay Per 38 urls