Question: I'm looking for a way to customize search engine results to improve user engagement and retention on my website.

If you want to customize search results to get people to stick around longer on your site, Algolia is a good option. It has a range of tools for personalizing search, including AI search that marries keyword search with vector understanding, dynamic re-ranking based on user behavior and deep personalization. That makes it a good choice for businesses and developers who want to build fast, scalable, easy-to-use search technology for a range of industries.

Another option is SearchIQ. This service offers real-time analytics to see how people are interacting with your site, which can boost engagement and deliver business results. It uses A.I. search logic, multi-site search, customizable result ranking and other features to try to make search more relevant. Integration is easy, with plugins for WordPress and copy-and-paste code snippets for other sites, so it's good for content networks and companies.

If you want to use search to spice up the user experience with interactive elements, check out Search Expander. It adds knowledge panels, instant answers and widgets to search results, and they can be customized extensively to match your site. That's good for keeping people engaged with search results that are dynamic and personalized, and that works on desktop, mobile and tablet devices.

Last, Shaped is a real-time adaptive search service that can be integrated directly with your existing data sources for quick setup. It can adapt in real time based on behavioral signals, and its ranking components can be customized with explainable results. Shaped is designed to optimize engagement and conversion across many use cases, so it's a good choice for improving user retention and overall search experience.