Matomo is used at the IB to ensure data protection compliant analysis. Matomo is hosted on its own server.
Solr
Due to the many thousands of content pages and documents from TYPO3 as well as the likewise very high number of sites, offers and job advertisements, a solution was implented with Solr, which was developed especially for indexing and full text search within thousands or millions of documents.
Solr is operated on its own server and can therefore be constantly adapted to the growing requirements.