Searchspring has a range of tools, including AI-powered site search, scalable merchandising and ML-powered personalization. It can link to e-commerce sites using Shopify, Magento, BigCommerce and Miva. The service can lower bounce rates, increase engagement and improve overall shopping experience, for example with geo-merchandising and category results that are personalized for each shopper.
Another option is Klevu, which promises to boost conversion rates with advanced search, merchandising and product recommendations. Klevu supports multilanguage search and offers product recommendations based on shopper behavior. It can link to e-commerce sites using a variety of e-commerce sites and offers analytics and A/B testing.
If you want a broader approach, HawkSearch offers AI-powered search in 50 languages, including concept search and image search. It can link to multiple e-commerce sites and offers features like smart autocomplete and relevant recommendations, and it's designed to improve the shopping experience and conversions.
Last, Algolia offers a search infrastructure that scales with your business and that's powered by AI search, dynamic re-ranking and personalization. It's designed for multiple industries and use cases, including headless commerce and image search, and is geared for enterprise-level e-commerce optimization.