<s>
A	O
virtual	B-General_Concept
reality	I-General_Concept
website	I-General_Concept
is	O
a	O
website	O
that	O
leverages	O
the	O
WebVR	O
and	O
WebGL	B-Library
APIs	B-Application
to	O
create	O
a	O
3D	O
environment	O
for	O
a	O
web	O
user	O
to	O
explore	O
using	O
a	O
virtual	B-Application
reality	I-Application
head-mounted	B-General_Concept
display	I-General_Concept
.	O
</s>
<s>
In	O
June	O
2014	O
,	O
Mozilla	B-Operating_System
released	O
builds	O
of	O
Firefox	B-Application
with	O
compatibility	O
with	O
Oculus	B-Device
Rift	I-Device
through	O
WebVR	O
,	O
and	O
in	O
November	O
of	O
that	O
year	O
launched	O
MozVR.com,	O
a	O
Virtual	B-General_Concept
Reality	I-General_Concept
Website	I-General_Concept
showcasing	O
web-based	O
virtual	B-Application
reality	I-Application
demos	O
,	O
tied	O
together	O
with	O
a	O
virtual	B-Application
reality	I-Application
navigation	O
interface	O
.	O
</s>
<s>
Experimental	O
builds	O
of	O
Google	B-Application
Chrome	I-Application
also	O
use	O
WebVR	O
to	O
support	O
Oculus	B-Device
Rift	I-Device
,	O
Google	B-Device
Cardboard	I-Device
,	O
Project	B-Algorithm
Tango	I-Algorithm
and	O
HTC	O
Vive	O
.	O
</s>
<s>
In	O
2014	O
,	O
Google	O
launched	O
'	O
Chrome	B-Application
Experiments	O
for	O
Virtual	B-Application
Reality	I-Application
 '	O
;	O
a	O
Virtual	B-Application
Reality	I-Application
mobile	O
site	O
showcasing	O
web-based	O
Virtual	B-Application
Reality	I-Application
demos	O
for	O
Google	B-Device
Cardboard	I-Device
.	O
</s>
<s>
In	O
2015	O
,	O
Mozilla	B-Operating_System
released	O
A-Frame	B-Language
(	O
VR	O
)	O
,	O
an	O
open	O
source	O
web	O
framework	O
for	O
building	O
VR	O
experiences	O
and	O
websites	O
.	O
</s>
