URL: https://musescore.com/

Browser / Version: Firefox 115.0
Operating System: Linux
Tested Another Browser: Yes Chrome

Problem type: Site is not usable
Description: Page not loading correctly
Steps to Reproduce:
When going on musescore.com, the page is partially loaded (no icons), and when clicking on a link to go to a 2nd page, I have to check a Cloudfare challenge, and debug tools show a lot of HTTP 429 errors.
This doesn't happen on Chrome.

View the screenshot

From webcompat.com with ❤️