Why does my Node.js server-hosted site get downloaded as a file by IE9, Opera, and older versions of Safari?

I'm feeling completely stuck. This whole situation just doesn't make any sense to me.

Even though I'm new to HTML5, CSS, and Javascript, I've put together what I think is a decent (albeit unfinished) website design and a simple (also unfinished) server program using Node.js. But here's the thing... it doesn't display properly in IE9, Opera, or Safari 5.0.6, and likely many other older versions of those browsers; instead, it just tries to download the page as a file with no extension. Strangely enough, it works fine in Chrome, Firefox, and Safari 5.1.7. (I haven't tested on other browsers.)

I have no idea where to even begin troubleshooting this issue, so I'm hoping someone here can lend a hand.
Hopefully, it's something related to my server configuration or code that I've overlooked.

Sources -
Server: http://pastebin.com/vzGnWfgr
HTML: http://pastebin.com/CvPBhmPa
CSS (If needed): http://pastebin.com/WSAKxqxD

The site is currently live on my server here:

Also, for reference, I'm running Ubuntu Server 12.04 LTS on my server.

htmlcssnode.js

Answer №1

Upon analyzing the HTTP response in a Wireshark trace, it appears that the content type (MIME type) is undefined. However, after visiting , I noticed that Opera now functions correctly, indicating that the content type is now specified in the response. This suggests that there may be an issue with how your main index page is being handled.

It seems that Chrome and Firefox default to interpreting undefined data as text/html, which explains why they are able to display the page without any problems.

Furthermore, I observed that your case statement includes a boolean expression that is not allowed, causing pages with a .htm extension to encounter similar issues. To resolve this problem, consider modifying the code as follows:

case '.html':
case '.htm':
            contentType = 'text/html';
            break;

Answer №2

When visiting your website (http://test.kdude63.com/), the response header of the page shows Content-Type: undefined.

Some browsers may only download the page if the Content-Type is not recognized as a MIME type. Please review your app.js or framework settings for the correct header configuration.

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