Now access the developer.github.com response code to return 301 redirect to github.com only do I encounter it?

when I visit now, there will be the following figure 301 and two option request errors. Is it the wrong position for me to visit?

this request status information

look forward to visiting developer.github.com, to consult related api

Apr.16,2021

can visit Shanghai normally. No websocket access to live.github.com was found either.

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