docs: no longer recommend polyfill.io
#1794
Merged
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Checklist
Replace the
polyfill.io
withcdnjs.cloudflare.com/polyfill
in the README and the docs:polyfill.io
was acquired by a China-based CDN company "Funnull", see the announcement from thepolyfill.io
domain owner's Twitter and https://github.com/polyfillpolyfill/polyfill-service/issues/2834. Despite Funnull's claims of operating in the United States, the predominance of Simplified Chinese on its website suggests otherwise, and it turns out that "Funnull" is notorious for providing service for the betting and pornography industries.The original creator of the
polyfill.io
has voiced his concern on Twitter. And since the acquisition, numerous issues have emerged (polyfillpolyfill/polyfill-service#2835, polyfillpolyfill/polyfill-service#2838, AlistGo/alist#6100), rendering thepolyfill.io
service extremely unstable. Since then, Fastly (Announcement) and Cloudflare (Announcement) has hosted their own instances ofpolyfill.io
service.