https://aframe.io cdn code example

Example: a-frame cdn

<script src="https://cdnjs.cloudflare.com/ajax/libs/aframe/1.0.4/aframe.js" integrity="sha512-UpqpXUuK8DzhknJ0rpgN/Ybdd/SE8JWyGhrCYJIxEJX8c4H9M4VOJ8uvwepxPvARPYiAxHZar7MLh9An015Z/w==" crossorigin="anonymous"></script>