<s>
Perceived	B-General_Concept
performance	I-General_Concept
,	O
in	O
computer	O
engineering	O
,	O
refers	O
to	O
how	O
quickly	O
a	O
software	B-Architecture
feature	I-Architecture
appears	O
to	O
perform	O
its	O
task	O
.	O
</s>
<s>
In	O
most	O
cases	O
,	O
increasing	O
real	O
performance	O
increases	O
perceived	B-General_Concept
performance	I-General_Concept
,	O
but	O
when	O
real	O
performance	O
cannot	O
be	O
increased	O
due	O
to	O
physical	O
limitations	O
,	O
techniques	O
can	O
be	O
used	O
to	O
increase	O
perceived	B-General_Concept
performance	I-General_Concept
at	O
the	O
cost	O
of	O
marginally	O
decreasing	O
real	O
performance	O
.	O
</s>
<s>
Techniques	O
for	O
improving	O
perceived	B-General_Concept
performance	I-General_Concept
may	O
include	O
more	O
than	O
just	O
decreasing	O
the	O
delay	O
between	O
the	O
user	O
's	O
request	O
and	O
visual	O
feedback	O
.	O
</s>
<s>
A	O
technique	O
to	O
measure	O
and	O
interpret	O
perceived	B-General_Concept
performance	I-General_Concept
remote	O
systems	O
is	O
shown	O
in	O
a	O
2003	O
and	O
updated	O
in	O
2005	O
for	O
virtual	O
machines	O
.	O
</s>
<s>
For	O
Web	O
Performance	O
optimization	O
,	O
perceived	B-General_Concept
performance	I-General_Concept
plays	O
an	O
important	O
role	O
.	O
</s>
<s>
This	O
trick	O
improves	O
the	O
perceived	B-General_Concept
performance	I-General_Concept
,	O
improving	O
the	O
overall	O
user	O
experience	O
.	O
</s>
<s>
In	O
order	O
to	O
improve	O
the	O
perceived	B-General_Concept
performance	I-General_Concept
of	O
a	O
web	O
page	O
,	O
there	O
are	O
numerous	O
tools	O
that	O
can	O
be	O
helpful	O
:	O
</s>
<s>
Google	B-Application
Chrome	I-Application
:	O
DevTools	O
provides	O
ways	O
to	O
measure	O
the	O
performance	O
of	O
a	O
site	O
giving	O
you	O
insights	O
on	O
how	O
to	O
improve	O
.	O
</s>
