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Third-party host

Websites loading from opensource.facebook.com

10 websites load from this host according to the stored source@if (Model.Total > HostModel.MaxSites) { ; the 200 highest-ranked are listed }. script, iframe and stylesheet are tags in the HTML; connect is an absolute URL inside one of the site's own scripts.

#WebsiteRankLoaded as
1 docusaurus.io 386,222 connect view source
2 hhvm.com 391,836 connect view source
3 testing-library.com 393,464 connect view source
4 recoiljs.org 402,654 connect view source
5 draftjs.org 402,952 connect view source
6 flow.org 414,089 connect view source
7 relay.dev 418,207 connect view source
8 fbinfer.com 427,342 connect view source
9 hacklang.org 446,232 connect view source
10 glean.software 467,083 connect view source

Questions

Which websites load from opensource.facebook.com?
The 10 sites listed on this page. A site is listed when its stored HTML has a script, iframe or stylesheet from the host, or one of its own scripts names the host in an absolute URL.
Is opensource.facebook.com a third party for every site listed?
Yes: a host under a site's own registrable domain is never recorded for that site, so every site here loads from opensource.facebook.com as a dependency outside its own domain.

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