MRC Definitions
Known data-centre traffic

Written by Luke Taylor
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Updated over a week ago
Bots and spiders or other crawlers

Written by Luke Taylor
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Activity-based filtration

Written by Luke Taylor
Updated over a week ago
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Non-browser user-agent headers or other forms of unknown browsers

Written by Luke Taylor
Updated over a week ago
Updated over a week ago
Pre-fetch or browser pre-rendered traffic

Written by Luke Taylor
Updated over a week ago
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Bots and spiders or other crawlers masquerading as legitimate users

Written by Luke Taylor
Updated over a week ago
Updated over a week ago
Hijacked devices, user sessions, ad tags and ad creatives

Written by Luke Taylor
Updated over a week ago
Updated over a week ago
Hidden/stacked/covered or otherwise intentionally obfuscated ad serving

Written by Luke Taylor
Updated over a week ago
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Invalid proxy traffic

Written by Luke Taylor
Updated over a week ago
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Adware + Malware

Written by Luke Taylor
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Updated over a week ago
Incentivised manipulations of measurements

Written by Luke Taylor
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Falsified viewable impression decisions

Written by Luke Taylor
Updated over a week ago
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Falsely represented sites

Written by Luke Taylor
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Cookie stuffing, recycling or harvesting

Written by Luke Taylor
Updated over a week ago
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Manipulation or falsification of location data

Written by Luke Taylor
Updated over a week ago
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Invalid Impressions

Written by Luke Taylor
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Updated over a week ago
General and Sophisticated Invalid Traffic

Written by Luke Taylor
Updated over a week ago
Updated over a week ago
Fraud Tactics
Cookie stuffing

Written by Luke Taylor
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Updated over a week ago
Bots

Written by Luke Taylor
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App Install Farms

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Click Injection

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Click Spam

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Compliance Fraud

Written by Luke Taylor
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Updated over a week ago
Sophisticated Bot Driven Installs

Written by Luke Taylor
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Updated over a week ago
Ad Stacking

Written by Luke Taylor
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Updated over a week ago
Ad injection

Written by Luke Taylor
Updated over a week ago
Updated over a week ago
Auto-refresh

Written by Luke Taylor
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Updated over a week ago
Domain spoofing

Written by Luke Taylor
Updated over a week ago
Updated over a week ago
Pixel Stuffing

Written by Luke Taylor
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Updated over a week ago
Location Fraud

Written by Luke Taylor
Updated over a week ago
Updated over a week ago
User-Agent Spoofing

Written by Luke Taylor
Updated over a week ago
Updated over a week ago
Retargeting fraud

Written by Luke Taylor
Updated over a week ago
Updated over a week ago