<s>
ShimmerCat	B-Protocol
was	O
a	O
web	B-Application
server	I-Application
designed	O
from	O
ground-up	O
for	O
HTTP/2	B-Protocol
and	O
written	O
in	O
Haskell	B-Language
;	O
it	O
now	O
appears	O
to	O
be	O
an	O
image	O
optimization	O
and	O
distribution	O
service	O
.	O
</s>
<s>
The	O
purported	O
purpose	O
of	O
the	O
server	O
was	O
to	O
take	O
full	O
advantage	O
of	O
HTTP/2	B-Protocol
features	O
,	O
including	O
HTTP/2	B-Protocol
Server	I-Protocol
Push	I-Protocol
,	O
to	O
enhance	O
the	O
perceived	O
page	O
load	O
speed	O
of	O
served	O
websites	O
.	O
</s>
<s>
ShimmerCat	B-Protocol
used	O
machine	O
learning	O
to	O
accelerate	O
asset	O
delivery	O
to	O
the	O
browser	B-Application
.	O
</s>
<s>
As	O
of	O
September	O
2016	O
,	O
ShimmerCat	B-Protocol
was	O
at	O
version	O
1.5.0	O
and	O
ran	O
on	O
Linux	B-Application
and	O
OS	B-Operating_System
X	I-Operating_System
.	O
</s>
<s>
The	O
software	O
could	O
be	O
used	O
for	O
development	O
of	O
web	O
applications	O
through	O
its	O
SOCKS5	B-Application
and	O
HTTP/2	B-Protocol
implementations	O
,	O
and	O
it	O
was	O
also	O
possible	O
to	O
develop	O
web	O
applications	O
without	O
having	O
to	O
modify	O
/etc/hosts	O
nor	O
use	O
different	O
sets	O
of	O
URLs	O
for	O
development	O
and	O
production	O
.	O
</s>
