<s>
Google	B-Application
Lighthouse	I-Application
is	O
an	O
open-source	B-License
,	O
automated	O
tool	O
for	O
measuring	O
the	O
quality	O
of	O
web	O
pages	O
.	O
</s>
<s>
Google	B-Application
Lighthouse	I-Application
audits	O
performance	O
,	O
accessibility	O
,	O
and	O
search	O
engine	O
optimization	O
factors	O
of	O
web	O
pages	O
,	O
this	O
is	O
the	O
major	O
difference	O
from	O
Google	B-Application
PageSpeed	I-Application
,	O
the	B-Application
Google	B-Application
Lighthouse	I-Application
provides	O
more	O
detail	O
information	O
.	O
</s>
<s>
It	O
also	O
includes	O
the	O
ability	O
to	O
test	O
progressive	B-Application
web	I-Application
applications	I-Application
for	O
compliance	O
with	O
standards	O
and	O
best	O
practices	O
.	O
</s>
<s>
Google	B-Application
Lighthouse	I-Application
is	O
developed	O
by	O
Google	B-Application
and	O
aims	O
to	O
help	O
web	B-Operating_System
developers	I-Operating_System
,	O
the	O
tool	O
can	O
be	O
run	O
by	O
using	O
Chrome	O
browser	B-Protocol
extension	I-Protocol
or	O
by	O
using	O
terminal	O
(	O
command	O
)	O
for	O
batch	B-General_Concept
auditing	O
a	O
list	O
of	O
URLs	O
.	O
</s>
<s>
Google	B-Application
Lighthouse	I-Application
can	O
audit	O
webpage	O
in	O
desktop	O
version	O
and	O
mobile	O
version	O
.	O
</s>
<s>
Recent	O
versions	O
of	O
Google	B-Application
Lighthouse	I-Application
offer	O
insights	O
into	O
how	O
to	O
optimize	O
the	O
Core	O
Web	O
Vitals	O
metrics	O
,	O
as	O
announced	O
by	O
Google	B-Application
engineer	O
Addy	O
Osmani	O
in	O
2021	O
.	O
</s>
