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

is https://www.coursera.org/learn/natural-attenuation-of-groundwater-contaminants/lecture/hLTJy/course-navigation working?

https://www.coursera.org/learn/natural-attenuation-of-groundwater-contaminants/lecture/hLTJy/course-navigation 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 2020-08-01 21:17:12

Refresh

https://www.coursera.org/learn/natural-attenuation-of-groundwater-contaminants/lecture/hLTJy/course-navigation

Monitor availability and performance of your website, on-line shop or web application.

Check another page

http://angelo.edu

2020-08-01 21:12:12

IS UP

2020-08-01 20:19:35

IS UP

2020-08-01 18:52:26

IS DOWN

2020-08-01 13:01:37

IS UP

2020-08-01 06:43:56

IS UP

2020-08-01 06:39:44

IS DOWN

2020-08-01 03:06:45

IS DOWN

http://safehook.cl

2020-08-01 02:31:25

IS DOWN

2020-08-01 00:42:36

IS DOWN

http://altenen.is/

2020-07-31 23:18:03

IS UP