cdnjs.cloudflare.com is an ultra-fast, reliable, globally available content delivery network for open-source libraries.
Cloudflare works with the maintainers of the cdnjs project and distributes the latest versions as they are released.
You can find the libraries made available through cdnjs.cloudflare.com by searching on the cdnjs project's website.
To load a distributed library, copy and paste the HTML snippet for that library in your web page. For instance, to load jQuery, embed the snippet in your web page:
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.1/jquery.min.js" integrity="sha512-bLT0Qm9VnAYZDflyKcBaQ2gg0hSYNQrJ8RilYldYQ1FxQYoCLtUjuuRuZo+fjqhx/qtq/1itJ0C2ejDxltZVFg==" crossorigin="anonymous"></script>
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You can create an issue on the cdnjs project's GitHub page here.