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The website coursera.org does not load. After sometime it displays a message, "Please use a modern browser with JavaScript enabled to use Coursera.". This happens with both the browsers I use, firefox and chrome.

javascript has not been disabled in either of the browsers.

I have the same problem with random websites with tennis.com being notable, as I access it a lot.

The loading of the websites usually gets to a point where the status bar tells , "Connecting to ...." or "Waiting for ...".

This problem is only with my ubuntu installation. The websites load fine when I attempt to access them from windows.

Could you help me troubleshoot this. This has been particularly bothersome for me as I am taking a MOOC from coursera.

EDIT After seeing a solution to a similar problem, I tried accessing coursera.org, tennis.com and foxnews.com through the proxy, daveproxy.co.uk. While tennis.com and foxnews.com loaded through the proxy, coursera.org still says, ""Please use a modern browser with JavaScript enabled to use Coursera."

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In Chrome, try pressing <F12> and clicking Console to see if there are any errors. –  Dennis Feb 11 '13 at 1:31
    
@Dennis, coursera.org is suddenly loading in chrome. tennis.com isn't. The console says, "Failed to load resource cdn.tennis.com/static/assets/stylesheets/main.css?v=0201 Failed to load resource use.typekit.net/eiv0nll.js";. It's still trying though. –  Abhijith Feb 11 '13 at 1:57
    
Coursera does no user agent checking. The Please use a modern browser... message gets removed with a simple JavaScript instruction unless your browser is IE 7. The only way I can see how this could fail is that the external script could not be loaded. –  Dennis Feb 11 '13 at 2:03
    
@Dennis, Do you have any idea as to why that external script could not be loading? –  Abhijith Feb 11 '13 at 2:44
    
There are many possibilities. It might be a simple problem with the CDN. How many times did it work in Windows? How many times did it not work in Ubuntu? –  Dennis Feb 11 '13 at 2:49

1 Answer 1

I dont advice you to use firefox when visiting coursera.org because some feature are not supported yet such as the speed change for video.

I had the same problem , I solved it by using google chrome (chromium) but you will need to install the chromium-codecs-ffmpeg-extra package to make the videos work in Chromium.

You can get it here

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cousera.org is suddenly loading on chromium. :-| –  Abhijith Feb 11 '13 at 1:58
    
What do you mean ? –  meda Feb 11 '13 at 2:21
    
It wasn't until yesterday in chromium. –  Abhijith Feb 11 '13 at 2:37

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