differ.blog
In short: Getting listed on Differ is free. Plan for about 45 minutes — there is material to prepare and a review to wait on.
What they ask for: Publish or cross-post articles with a canonical link to your original.
Publish or cross-post articles with a canonical link to your original.
Small platform; worth it mainly as a syndication copy.
Open the submission page on differ.blog and complete its form — that is the "Open submit page" link at the top of this page.
Small platform; worth it mainly as a syndication copy.
Priority sets the band — this one is later. Cost (free) and effort (moderate) 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.