Overview
In AppFollow you have access to a set of metrics that support your ASO strategy. One of these is the Keyword Effectiveness Index (KEI)—a measure that shows how promising a keyword is for your specific app. It combines the keyword’s popularity with how competitive it will be to rank for it (difficulty). A high KEI means the keyword could be a strong choice to include in your app title or subtitle.
Keyword Effectiveness Index
The Keyword Effectiveness Index (KEI) serves as a relative indicator that shows the potential of a keyword for a specific app. It is a mathematical calculation to consider if it is worth trying to rank for a particular keyword or keyword phrase by weighing up its popularity versus how much competition there is for it. In simpler words, if you see that the keyword effectiveness is high (more than 20), it's worth including it in your app name or subtitle.
To calculate the Keyword Effectiveness Index, we evaluate:
- The app's Store Performance Index
- Keyword-specific metrics, such as Popularity and Difficulty, to determine how effective the keyword will be for this specific app
We combine the data to evaluate how well the keyword can perform specifically for the app you're looking at. A high Keyword Effectiveness Index flags the keyword's potential for high rankings that will bring your app more traffic.
We ensure the provision of real-time metrics for effectiveness without retaining historical data. Whether you access this information via API or Watch, the presented effectiveness metrics remain consistent across various timeframes, always reflecting the most current results.