<s>
Cross-browser	B-Protocol
testing	I-Protocol
is	O
a	O
type	O
of	O
non-functional	O
software	O
testing	O
where	O
web	B-Application
applications	I-Application
are	O
checked	O
for	O
support	O
across	O
different	O
browsers	B-Application
and	O
devices	O
.	O
</s>
<s>
Cross-browser	B-Protocol
testing	I-Protocol
can	O
also	O
provide	O
an	O
objective	O
,	O
independent	O
view	O
of	O
the	O
status	O
of	O
the	O
web	B-Application
application	I-Application
to	O
allow	O
the	O
business	O
to	O
appreciate	O
and	O
understand	O
the	O
risks	O
of	O
releasing	O
it	O
or	O
implementing	O
new	O
feature(s )	O
.	O
</s>
<s>
Test	O
techniques	O
include	O
the	O
process	O
of	O
executing	O
a	O
web	B-Application
application	I-Application
with	O
the	O
intent	O
of	O
finding	O
failures	O
in	O
different	O
browsers	B-Application
and	O
devices	O
and	O
verifying	O
that	O
the	O
website	O
is	O
fit	O
for	O
use	O
in	O
all	O
of	O
them	O
.	O
</s>
<s>
The	O
term	O
"	O
cross-browser	B-Protocol
testing	I-Protocol
"	O
originated	O
in	O
the	O
early	O
2000s	O
with	O
the	O
advent	O
of	O
various	O
web	B-Application
browsers	I-Application
that	O
rendered	O
web	O
pages	O
in	O
different	O
ways	O
and	O
supported	O
different	O
web	O
technologies	O
.	O
</s>
<s>
As	O
a	O
result	O
,	O
this	O
led	O
to	O
inconsistencies	O
in	O
the	O
behavior	O
of	O
web	B-Application
applications	I-Application
across	O
browsers	B-Application
.	O
</s>
<s>
Cross-browser	B-Protocol
testing	I-Protocol
involves	O
the	O
execution	O
of	O
a	O
web	B-Application
application	I-Application
to	O
evaluate	O
one	O
or	O
more	O
properties	O
of	O
interest	O
on	O
different	O
browsers	B-Application
and	O
devices	O
.	O
</s>
<s>
In	O
general	O
,	O
these	O
properties	O
indicate	O
the	O
extent	O
to	O
which	O
the	O
web	B-Application
application	I-Application
under	O
test	O
:	O
</s>
<s>
Cross-browser	B-Protocol
testing	I-Protocol
is	O
usually	O
performed	O
by	O
QA	O
engineers	O
.	O
</s>
<s>
After	O
the	O
development	O
team	O
builds	O
a	O
web	B-Application
application	I-Application
or	O
site	O
,	O
QA	O
engineers	O
evaluate	O
the	O
completed	O
project	O
.	O
</s>
<s>
The	O
QA	O
engineer	O
tests	O
the	O
consistency	O
of	O
the	O
content	O
and	O
layout	O
,	O
such	O
as	O
how	O
fonts	O
and	O
images	O
display	O
,	O
and	O
whether	O
the	O
responsive	B-General_Concept
web	I-General_Concept
design	I-General_Concept
works	O
,	O
if	O
applicable	O
.	O
</s>
<s>
Next	O
,	O
they	O
check	O
the	O
web	B-Application
application	I-Application
or	O
site	O
's	O
usability	O
,	O
such	O
as	O
features	O
,	O
integrations	O
with	O
third-party	O
services	O
,	O
forms	O
,	O
and	O
touch	O
input	O
for	O
mobile	O
or	O
tablets	O
.	O
</s>
<s>
Cross-browser	B-Protocol
testing	I-Protocol
can	O
be	O
conducted	O
even	O
if	O
the	O
web	B-Application
application	I-Application
is	O
partially	O
complete	O
.	O
</s>
<s>
With	O
such	O
an	O
approach	O
,	O
also	O
called	O
"	O
Full-stack	O
web	O
development	O
"	O
,	O
cross-browser	O
tests	O
are	O
performed	O
by	O
web	O
developers	O
as	O
they	O
develop	O
elements	O
of	O
the	O
user	B-Application
interface	I-Application
and	O
functionalities	O
.	O
</s>
