Notice how the default domain for stackoverflow is http://stackoverflow.com and if you try to goto http://www.stack.... it bounces you to http://stack... ? What is the reason for this? Not the tech reason (as in the http code, etc) but why would the site owners want to do this? I know it's purely aesthetic and I always have host-header...
Duplicate: Should I default my website to www.foo or not? To be quite honest, I'm ignorant as to what the differences between "http://example.com" and "http://www.example.com" are. I typically always use the shorter version, without the "www," just for the sake of the length. But I know (think) that there can be cookie conflicts...
What are technical/programming/non-SEO pros and cons of www or no-www, for domains as well as sub-domains? From Jeff Atwood's twitter at http://twitter.com/codinghorror/status/1637428313 : "sort of regretting the no-www choice because it causes full cookie submission to ALL subdomains. :(" What does this mean? Is there a blog post or ar...