Once you publish your article on your blog, we display the article on Hashnode feeds for more readership.

If you want to hide the article from the Hashnode Community (mostly developers), edit it and click on the "Yes, hide from Hashnode and display on my blog only" checkbox in the "Hide from Hashnode Community" section of your article's settings as shown below:

Your article will now be hidden from Hashnode feed page and search results.