Updated August 13, 2018
When a search engine robot (“bot”) lands on a page on your site, it crawls through and reads the text on that page. This is the way it figures out what your page is about, a vital step in SEO.
Once it knows what your page is about, it can index your page and show it in search results when people are looking for that type of content.
But sometimes it’s not so straightfoward.