> For the complete documentation index, see [llms.txt](https://docs.search.io/developer-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.search.io/developer-documentation/guides/feature-implementation.md).

# Feature implementation

- [Implementing tracking](https://docs.search.io/developer-documentation/guides/feature-implementation/implementing-tracking.md): Learn how tracking works and how to implement it.
- [Promotion banners](https://docs.search.io/developer-documentation/guides/feature-implementation/promotion-banners.md): This guide will help you integrate promotion banners in your customer built Search UI.
- [Aggregate Filters](https://docs.search.io/developer-documentation/guides/feature-implementation/aggregate-filters.md)
- [Bucket Aggregates](https://docs.search.io/developer-documentation/guides/feature-implementation/bucket-aggregates.md)
- [Redirects](https://docs.search.io/developer-documentation/guides/feature-implementation/redirects.md)