Click fraud questions, answered

Beginner guides, practical tips, and market updates for professional PPC marketers

Click fraud basics

New to click fraud? Start with these guides and tutorials

What is pixel stuffing

What is Pixel Stuffing?

As global spending on advertising continues to increase, ad fraud becomes even more prevalent. Businesses are forced to devote portions of their resources to compensate for bad traffic, metrics, charges,…
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What is a viewbot?

What is Invalid Traffic?

Invalid traffic has been skewing analytics data and costing advertisers money since digital advertising first took off in the 90s. Invalid traffic comprises any clicks or impressions that don’t represent…
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what is phishing

What is Phishing?

Phishing is a type of fraud where scammers send emails pretending to be from reputable organizations like Apple, PayPal, and the IRS. The goal is to get you to share…
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what are click bots

What Are Click Bots?

A bot is a software application that is programmed to perform repetitive tasks automatically. Some bots provide convenience, like Siri and Cortana. Other bots imitate human behaviors to execute fraud.…
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what is ad stacking

What is Ad Stacking?

Cost-per-thousand (CPM) and pay-per-click (PPC) advertising are types of paid digital advertising based on impressions and clicks. The customer will pay a predetermined fee for every click or every 1,000…
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what is a viewbot

What is a Viewbot?

Streaming platforms like Twitch, Mixer, and YouTube have recently exploded in popularity, creating the opportunity for the more popular content creators to bring in ad revenue and paid promotions. The…
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Special Guide

This comprehensive guide reveals the main types of click fraud and how you can save millions in wasted ad spend.

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