<s>
Hitbox	B-Protocol
was	O
a	O
popular	O
web	B-Application
counter	I-Application
and	O
web	O
analytics	O
product	O
created	O
by	O
WebSideStory	O
,	O
until	O
taken	O
over	O
by	O
Omniture	O
(	O
subsequently	O
taken	O
over	O
by	O
Adobe	O
)	O
,	O
originally	O
for	O
adult	O
entertainment	O
websites	O
.	O
</s>
<s>
Companies	O
place	O
JavaScript	B-Language
files	O
on	O
their	O
web	O
servers	O
which	O
are	O
linked	O
to	O
from	O
a	O
HTML	B-Language
script	O
in	O
the	O
page	O
code	O
.	O
</s>
<s>
A	O
cookie	B-Application
is	O
placed	O
on	O
the	O
users	O
computer	O
which	O
contains	O
a	O
unique	O
id	O
.	O
</s>
<s>
During	O
the	O
processing	O
of	O
the	O
data	O
Hitbox	B-Protocol
ties	O
together	O
the	O
page	O
views	O
to	O
get	O
a	O
perspective	O
of	O
how	O
the	O
user	O
moved	O
through	O
the	O
site	O
.	O
</s>
<s>
Other	O
,	O
custom	O
information	O
can	O
be	O
passed	O
in	O
the	O
request	O
as	O
well	O
as	O
information	O
from	O
the	O
HTTP	B-Protocol
header	I-Protocol
of	O
the	O
browser	B-Application
,	O
such	O
as	O
referrer	B-Protocol
and	O
browser	B-Application
details	O
.	O
</s>
