Definition

Video advertisements that play before desired content, testing viewer patience since the dawn of online video. The digital descendant of unskippable movie theater ads, except you're in your underwear.

Example Usage

Our pre-roll ad has a 23% completion rate, meaning three-quarters of viewers would rather navigate away than endure 15 seconds of our brilliance.

Origin

Online video advertising terminology from the mid-2000s with the rise of YouTube and video streaming

Fun Fact

Pre-roll ads have higher completion rates than mid-roll but lower than post-roll, because by then viewers are emotionally invested in their content.

Source: Video advertising standards and IAB Digital Video Guidelines

Related Terms

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See “pre-roll ad” in Corporate Speak, Gen-Z Slang, Pirate Speak, and more.

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