MatchPoint for Office 365 provides a great search experience by leveraging the SharePoint Online search in combination with Microsoft Graph. The search flyout is part of the header and can be configured so that it matches the requirements of the intranet users.
The search of MatchPoint for Office 365 can be integrated all over in SharePoint Online tenant. You can achieve that by adding the
MatchPoint 0365 Core app to the sites, where the search should be integrated.
The search can be configured in the hub instance configuration by the
searchConfig property (ISearchConfig) of the IPageHeaderConfig. There you can define additional tabs, in which sources the search queries the data and which refiners should be available to filter the results.