# Metric definitions

One page for each figure on Brand of the Day: what it means, how it is computed, where it stops and an example. The text is the same for people, crawlers and the Markdown version.

- [Engagement rate](https://starlecta.com/en/metrics/engagement-rate.md): Likes plus comments over followers, a 90-day age-weighted median.
- [Reel plays](https://starlecta.com/en/metrics/reel-plays.md): The play count of Reels, measured on the day it was read, with the number of Reels it rests on.
- [Share of the conversation](https://starlecta.com/en/metrics/share-of-conversation.md): A brand's contents as a share of the contents of the brands it is compared with, this week and the week before.
- [Story view estimate](https://starlecta.com/en/metrics/story-view-estimate.md): A modelled estimate of Story views, labelled as an estimate and kept apart from measured numbers.
- [Creator quality (SQS, aggregate)](https://starlecta.com/en/metrics/creator-quality.md): The average Starlecta Quality Score of a brand's creators; no creator's own score is shown.
- [Follower tiers](https://starlecta.com/en/metrics/follower-tiers.md): Nano, micro, macro and mega: the four follower bands every surface uses.
- [Loyalty](https://starlecta.com/en/metrics/loyalty.md): How many of a brand's creators shared only that brand, and how many also shared a rival.
- [Movement](https://starlecta.com/en/metrics/movement.md): Which creators were new to a brand last week, which came from rivals and which left for rivals.

Related: [Brand of the Day](https://starlecta.com/en/brand-of-the-day.md), [methodology](https://starlecta.com/en/methodology.md), [free tools](https://starlecta.com/en/tools.md).

- **Last updated:** 2 November 2026

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