<s>
Session	B-Protocol
replay	I-Protocol
is	O
the	O
ability	O
to	O
replay	O
a	O
visitor	O
's	O
journey	O
on	O
a	O
web	O
site	O
or	O
within	O
a	O
mobile	B-Application
application	I-Application
or	O
web	B-Application
application	I-Application
.	O
</s>
<s>
Replay	O
can	O
include	O
the	O
user	O
's	O
view	O
(	O
browser	O
or	O
screen	O
output	O
)	O
,	O
user	O
input	O
(	O
keyboard	O
and	O
mouse	B-Device
inputs	I-Device
)	O
,	O
and	O
logs	B-Protocol
of	I-Protocol
network	I-Protocol
events	I-Protocol
or	O
console	O
logs	O
.	O
</s>
<s>
Session	B-Protocol
replay	I-Protocol
is	O
supposed	O
to	O
help	O
improve	O
customer	O
experience	O
and	O
help	O
identify	O
obstacles	O
in	O
conversion	O
processes	O
on	O
websites	O
.	O
</s>
<s>
However	O
,	O
it	O
can	O
also	O
be	O
used	O
to	O
study	O
a	O
website	O
's	O
usability	B-General_Concept
,	O
customer	O
behavior	O
,	O
and	O
the	O
handling	O
of	O
customer	O
service	O
questions	O
as	O
the	O
customer	O
journey	O
,	O
with	O
all	O
interactions	O
,	O
can	O
be	O
replayed	O
.	O
</s>
<s>
Some	O
solutions	O
augment	O
the	O
session	B-Protocol
replay	I-Protocol
with	O
advanced	O
analytics	O
that	O
can	O
identify	O
segments	O
of	O
customers	O
that	O
are	O
struggling	O
to	O
use	O
the	O
website	O
.	O
</s>
<s>
There	O
are	O
generally	O
two	O
ways	O
to	O
capture	O
and	O
replay	O
visitor	O
sessions	O
,	O
client	O
side	O
and	O
tag-free	O
server	O
side	O
.	O
</s>
<s>
There	O
are	O
many	O
tag-based	O
solutions	O
that	O
offer	O
video-like	O
replay	O
of	O
a	O
visitor	O
's	O
session	O
.	O
</s>
<s>
Some	O
advanced	O
tools	O
are	O
able	O
to	O
access	O
the	O
Document	B-General_Concept
Object	I-General_Concept
Model	I-General_Concept
(	O
DOM	B-General_Concept
)	O
directly	O
and	O
can	O
play	O
back	O
most	O
interactions	O
within	O
the	B-General_Concept
DOM	I-General_Concept
including	O
all	O
mutations	O
with	O
a	O
high	O
degree	O
of	O
accuracy	O
.	O
</s>
<s>
It	O
also	O
can	O
deal	O
with	O
modern	O
single-page	B-Application
applications	I-Application
.	O
</s>
<s>
Sessions	O
are	O
replayed	O
step-by-step	O
,	O
providing	O
the	O
ability	O
to	O
search	O
,	O
locate	O
and	O
analyze	O
aspects	O
of	O
a	O
visitor	O
's	O
session	O
including	O
clicks	O
and	O
form	B-General_Concept
entry	O
.	O
</s>
<s>
This	O
also	O
poorly	O
handles	O
modern	O
single-page	B-Application
applications	I-Application
.	O
</s>
<s>
This	O
approach	O
works	O
very	O
well	O
with	O
modern	O
single-page	B-Application
applications	I-Application
.	O
</s>
<s>
This	O
can	O
be	O
deployed	O
either	O
"	O
on	O
premises	O
"	O
or	O
as	O
Software	B-Architecture
as	I-Architecture
a	I-Architecture
service	I-Architecture
(	O
SaaS	B-Architecture
)	O
.	O
</s>
<s>
All	O
of	O
the	O
tools	O
listed	O
below	O
are	O
available	O
as	O
Software	B-Architecture
as	I-Architecture
a	I-Architecture
service	I-Architecture
(	O
SaaS	B-Architecture
)	O
solutions	O
.	O
</s>
