codewars.com
In short: Getting listed on Codewars is free. Plan for about 10 minutes — it is a form plus links and assets you already have.
What they ask for: Solve a kata to join, then add your site and social links to your profile.
Solve a kata to join, then add your site and social links to your profile.
Profiles are personal; promotional usernames are discouraged.
Open the submission page on codewars.com and complete its form — that is the "Open submit page" link at the top of this page.
Profiles are personal; promotional usernames are discouraged.
Priority sets the band — this one is later. Cost (free) and effort (quick) move it within that band, which puts it in the long tail tier. The score orders a submission queue. It is not a measure of the site’s domain authority, traffic or quality.