codepen.io
In short: Getting listed on CodePen is free. Plan for about 10 minutes — it is a form plus links and assets you already have.
What they ask for: Build an original interactive demo of your utility, document the use case in Pen Details, and add your tool as one of the public profile links.
Build an original interactive demo of your utility, document the use case in Pen Details, and add your tool as one of the public profile links.
Public Pens are searchable and MIT-licensed; publish original useful code, not a blank redirect or copied landing page.
Open the submission page on codepen.io and complete its form — that is the "Open submit page" link at the top of this page.
Public Pens are searchable and MIT-licensed; publish original useful code, not a blank redirect or copied landing page.
Priority sets the band — this one is high. Cost (free) and effort (quick) move it within that band, which puts it in the high impact tier. The score orders a submission queue. It is not a measure of the site’s domain authority, traffic or quality.