Lisa Raehsler PPC Expert, ConsultantLisa Raehsler is a widely-known SEM/PPC consultant, Speaker and Founder of Big Click Co, an online advertising company and Google adwords certified partner.

She has 16+ years of marketing experience in tech, online, interactive advertising. Her areas of expertise include search engine marketing (PPC & SEO), social media advertising, ecommerce, web analytics, website advertising, display advertising strategy including behavioral targeting and onsite merchandising.

Lisa has worked with prestigious brands like AOL, Arctic Cat, Cargill, Truvia Brand, Concordia University, CenterPoint Energy, Cox Business Services, Filson, Hartford Financial, Hamline University and more.

She has also been a contributor to reputable industry publications such as Search Engine Watch, ClickZ and FBPPC.

Lisa is often invited as conference speaker at many popular industry conferences such as SES, OMS, MIMA, HeroConf and SMX.

In this post, she answers 8 Interesting PPC questions.

Sometimes even the most reputable PPC search engines face the problem of fraudulent clicks. They put quite an effort into protecting their clients from click scam. Take Google, for example. About a month ago it acquired with the aim of improving efficiency of Google advertising. is a quite successful fraud- fighting company: last year it discovered Chameleon – the botnet that caused 6.2 million advertising dollars to be wasted on bot clicks. Monthly.

Advertisers are the ones who suffer the most in this case. As networks get their profit even with malicious publisher websites, some of them don’t want to invest their time into fighting against click fraud. So how can you recognize the network that actually cares?