The blue title link of the Google snippet is usually based on what?

The blue title link in a Google search snippet is primarily generated from the page's HTML <title tag. This tag provides a concise, descriptive title for the web page, which Google often uses directly as the clickable headline in search results. While Google may sometimes modify the title for relevance or clarity, the title tag is the strongest signal. The meta description is the short paragraph below the title link, not the title itself. The URL slug is the part of the URL that identifies a particular page, and while it's important for SEO, it doesn't typically form the blue title link. Image file names are for images on the page and have no direct bearing on the snippet's title link.