Have 3 independent servers (America, Europe, Asia)
confirm if your website is really down.

is https://www.duolingo.com working?

https://www.duolingo.com YOUR WEBSITE IS UP

Warsaw, Poland

HTTP/1.1 2ΟΟ OK

Chicago, USA

HTTP/1.1 2ΟΟ OK

Singapore, Asia

HTTP/1.1 2ΟΟ OK

Test performed on 2020-11-26 08:33:29

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Duolingo - The world's best way to learn a language

https://www.duolingo.com

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2020-11-26 03:41:54

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IS DOWN

2020-11-26 02:27:29

IS DOWN

http://Onvi.clup

2020-11-26 11:57:38

IS DOWN

2020-11-26 02:19:01

IS UP