The title link is the headline parte of the search result and it can help people decide which search result to click. There are a few sources that Google uses to generate this title Verknüpfung, including the words inside the Chemisches element (also called the title Liedertext) and other headings https://suchmaschinenoptimierung14445.bcbloggers.com/27789160/5-wesentliche-elemente-für-meta-tags