shadertoy.com
In short: Getting listed on Shadertoy is free. Plan for about 10 minutes — it is a form plus links and assets you already have.
What they ask for: Publish GLSL shaders publicly and mention the full project in the shader description.
Publish GLSL shaders publicly and mention the full project in the shader description.
Shaders must compile and be your own work; the audience is shader programmers, so plain promotion is ignored.
Open the submission page on shadertoy.com and complete its form — that is the "Open submit page" link at the top of this page.
Shaders must compile and be your own work; the audience is shader programmers, so plain promotion is ignored.
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.