HTML tags are code elements of all web pages, however, there are some specific HTML code types that provide search engines with key info of your webpages for SERP display. So, here are the top 8 important HTML tags for SEO.

1. Title tag
2. Meta description tag
3. Heading (H1-H6) tags
4. Image alt text
5. Schema markup
6. HTML5 semantic tags
7. Meta robots tag
8. Canonical tag