How is that done? Isn't there a limita Limit of 5Mb(?) per Domain definend in th...

kevincrane · on Feb 28, 2013

He explains here that most browsers (except Firefox) don't follow the standard close enough, and ignore the exception for subdomains, i.e. 1.filldisk.com, 2.filldisk.com, etc.

wisty · on Feb 28, 2013

Wait, haven't I heard this song before?

It's the one about cookies, and .co.uk (i.e. every commercial site in the UK) sites all sharing the same cookies, because they all look like subdomains. Or was it all .friendly-hosting-company.com sites?

The fundamental problem is, there's no easy way to distinguish domains and subdomains.

desas · on Feb 28, 2013

It doesn't happen for .co.uk, it does happen for .nhs.uk (by design).

http://publicsuffix.org/ has the list that you use to distinguish

lutze · on Feb 28, 2013

Because most of the browser vendors see "standards" as more like "suggestions".

I'm sure any web developer will tell you it's been a problem from the moment there was more than one browser. This is just a particularly hilarious example.

iProject · on Feb 28, 2013

per SUBdomain. So just use:

example.com

1.example.com

2.example.com

...

Kerrick · on Feb 28, 2013

In the spec, it's per domain. As implemented in Chrome/Safari/IE, it's per subdomain.