If you are using the previous implementation of the recommend library, a request is generated for each widget and sent separately. In the latest version of InstantSearchJS, requests for each widget are sent as one request. To obtain this functionality, you can upgrade using the guide relevant for your use case:
- https://www.algolia.com/doc/guides/algolia-recommend/upgrade/recommend-js/
- https://www.algolia.com/doc/guides/algolia-recommend/upgrade/recommend-react/