How to add sitelinks in search results?

Question

Google

This is what I found on the internet in the top 1 in the issuance of a type under the site of a link to anything! How can you do this yourself? (I circled it with a stripe!) Thank you!

Answer 1

This is a semantic layout, for example, lists (<ul>) with #hash links give such an effect, you can look in the code of the site where you see this, and check it for yourself.

Answer 2

Read about the semantic core