For example, :crab: is rendered as 
on GitHub, but not in crates.io according to the following discussion.
I would like to know issues like this before publishing the crate. However, I only know how to check the rendering result of README.md after publishing the crate.
Is it possible to check this in advance and how can this be achieved?
You can find how crates.io renders markdown here. Other than executing it locally or in CI yourself and inspecting the generated html, I don't think there is a way to pre-inspect what crates.io generates.
This topic was automatically closed 90 days after the last reply. We invite you to open a new topic if you have further questions or comments.