The beauty of a tag helper is it's ability to add new HTML to your page. Once you know what you want to change, here are the tools to change the HTML going to the user.

Meta tags aren’t a magical solution, but they will help ensure your website appears on search engine results pages. This tutorial explains what HTML meta tags are, which meta tags matter, and how to ...

John Mueller answered: “The <article> HTML element does not have any particular effect in Google Search. This is similar to lots of other kinds of HTML tags.

Search Engine Land's Guide to SEO Chapter 3: HTML Code & Search Engine Ranking Success Factors explains HTML elements & using structured data.