Back in the day we stuffed keywords into content like dressing stuffed into a Turkey.
Search engine algorithms were much simpler then. They were evolving. Today search engines are very precise and picky about listing content. Categorized ‘schemas‘ using several vocabularies like ‘RDF’, ‘Microdata’ and ‘JSON-LD’ to explain to search engines what the content is their ‘robots’, ‘spiders’ are reading.
A symphony of semantics orchestrated to determine what website content is about and which web page has the best quality content.