I usually do <script nomodule src="https://polyfill.io/v3/polyfill.js?flags=always&features=default,fetch"></script> to load polyfills only for browsers tha

I usually do <script nomodule src="https://polyfill.io/v3/polyfill.js?flags=always&features=default,fetch"></script> to load polyfills only for browsers that need it