Is the protocol name in URLs case sensitive?

url case-sensitive
Lothar picture Lothar · Jan 27, 2010 · Viewed 7.4k times · Source

Is hTTp://foo.com the same as Http://foo.COM?

I know that hostnames are not sensitive but path names and query parts are sensitive.

Answer

Tobu picture Tobu · Jan 27, 2010

The scheme is case-insensitive: http://tools.ietf.org/html/rfc3986#section-3.1

The hostname is also case-insensitive, since it's DNS.

The rest is case sensitive.

Related questions

Should URL be case sensitive?

I noticed that HTTP://STACKOVERFLOW.COM/QUESTIONS/ASK and http://stackoverflow.com/questions/ask both works fine - actually the previous one is converted to lowercase. I think that this makes sense for the user. If I look at Google …

Read More
How can I get query string values in JavaScript?

Is there a plugin-less way of retrieving query string values via jQuery (or without)? If so, how? If not, is there a plugin which can do so?

Read More
Get the full URL in PHP

I use this code to get the full URL: $actual_link = 'http://'.$_SERVER['HTTP_HOST'].$_SERVER['PHP_SELF']; The problem is that I use some masks in my .htaccess, so what we see in the URL is not always …

Read More