1. most important article in your website

2.article reflect your mission

3. article you want to rank for

1. Think of four or five
pages you would like someone to read when they first visit your website

2. These articles should be the cornerstones of your site. In other words,
they should form the basis of the topics you discuss on your site

example:: at Yoast, we write ultimate guides for every important
SEO-related topic. We have ultimate guides for site structure, SEO
copywriting, mobile SEO, blogging, keyword research, et cetera. These
are our cornerstone content articles. You should write cornerstone
articles about the keywords you definitely want to rank for

YOAST SEO