App Launch Time definition

App Launch Time

Time from tapping the app icon until users see and interact with the app. Includes Time to Initial Display (TTID) and Time to Fully Drawn (TTFD). Typical targets: < 5 s cold start, < 1.5–2 s warm/hot start

Metrics

More terms of Metrics

Click mobile-advertising-glossary-metrics

A click occurs when a user taps or interacts with an ad, typically leading to a destination such as an app store page, website, or landing page. Clicks are crucial for measuring engagement.

Video Duration Metrics mobile-advertising-glossary-metrics

Measures how much of a video ad was watched (e.g., quartile completion, full views, duration rate). Key for video campaign evaluation.

Unique Reach mobile-advertising-glossary-metrics

The number of unique users (or devices/households) exposed to an ad at least once. Useful for understanding total unduplicated audience.

DAU/MAU Ratio mobile-advertising-glossary-metrics

This metric indicates user stickiness or loyalty. A DAU/MAU ratio closer to 1 means users return frequently throughout the month.

Social Media Metrics mobile-advertising-glossary-metrics

Includes shares, comments, mentions, and sentiment around a campaign. Particularly relevant for cross-channel or influencer campaigns.

Skips / Skip Rate mobile-advertising-glossary-metrics

For skippable ads, this indicates how often users skip. High skip rates can reflect low ad relevance.

Audio Duration mobile-advertising-glossary-metrics

Captures how long a user listens to an audio ad (e.g., complete plays, average duration, listen-through rate).

Impression mobile-advertising-glossary-metrics

An impression is counted each time an ad is served and appears on a user’s device screen, regardless of whether the user interacts with it. It is one of the most basic and foundational ad delivery metrics used to measure reach and exposure.

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