7. Common top-level domains
.com .net .org
• For • For internet • For non-
commercial service profits
entities providers
.edu .mil .gov
• For • For military • For US
educational use gov’t
institutions bodies
8. Each country has it’s
own top-level domain:
.uk .ch .ph .th
.us .tv .ca .au
.cc .sp .fr and so on…
Full list at http://en.wikipedia.org/wiki/Country-code_top-level_domain
22. www.yourdomain.com
mail.yourdomain.com
blog.yourdomain.com
stuff.yourdomain.com
Sub-domains allow you to channel
different bits of traffic to different
parts of your company.
23. www.yourdomain.com
mail.yourdomain.com
blog.yourdomain.com
stuff.yourdomain.com
All of these sub-domains are
controlled by the same person that
owns the domain name.
39. http://
Yes, the direction of the slashes matters.
If they lean to the right – into the direction
you’re reading, they are forward slashes.
If they lean to the left – they are backslashes.
45. The path to these files can be as long
as it needs to be.
http://www.yourdomain.com/stuff/something/important.pdf
This part points us to the server. This part tells
us what to get
once we’re
there.
48. http://www.yourdomain.com/stuff
If there is no file requested – just the
folder – the server may respond with
the ‘index’ of that folder.
49. Sometimes a URL has variables in it
that tell the site what to do. Here is
the full URL to my Facebook profile.
http://www.facebook.com/profile.php?id=505504719
The browser talks to Facebook and asks for the the profile.php file is a
profile.php file script and looks for a
variable called ‘id’ and that
is how it knows what
Facebook profile to show.
50. But at the end of the day, the
important thing to remember is this: