Google Entity Stacking is actually a search engine optimisation technique that connects trusted Google buildings

https://elliottwmby217.zenbloomer.com/posts/google-entity-stacking-just-how-to-build-up-a-stronger-search-engine-optimisation-stack-with-google-resources

Google Entity Stacking is a search engine optimisation technique that connects counted on Google properties and also related facilities to enhance topical relevance, improve authorization signals, and support far better search presence.