a web address suffix.
Australia.
If a site has the suffix .edu then it is most likely is an education website.
hypertext trasfer protocol
The web address of the Northern Ca Veterans Museum is: http://www.norcalveteransmuseum.org
The web address of the African-American Museum-Ca is: http://www.caamuseum.org
.ca means it is a Canadian domain name or web site
The suffix depends on what use you want to make of the web site. Normally, .com and .biz are reserved for business, .edu for education, .net for organizations having to do with the actual network, .mil for the military, .gov for government, and .org for other organizations. Recently, .mob has been added for sites intended for mobile applications, .tel for contact information centric sites, and .xxx for pornography. Additionally, there are country-specific domains, .us, for instance, or .ca for Canada, and similarly for every country there is a two-letter domain suffix.
WWW is an identifier, it is the HTTP suffix, and the address prefix.
dot ru = Russia. The TLD (top level domain) for the country of Russia is ".ru"
I thinik it means Canadian
There is no such web site, but if there were, its country code would be .ca