Github Docs Page show content in a flash and then disappear on mobile phone web browser

My phone is HuaWei FLA_TL10 with Android 9.
I use mobile browser: Microsoft Edge Browser Version July 17,2021); Via Browser 4.2.6 with webview version 79.0.3945.116; Kiwi Browser Version Git210216(Updated July 17,2021); Wechat 8.0.9 embedded browser.

I cannot use my phone to browse github doc page(GitHub Documentation) normally: content show and then disappeared in a flash. My pc computer is able to browse but when I open developer tools I saw tons of error notifications. The browsers mensioned above all cannot open the site normally.