<s>
Internet	B-Application
Explorer	I-Application
9	I-Application
or	O
IE9	B-Application
(	O
officially	O
Windows	B-Application
Internet	I-Application
Explorer	I-Application
9	I-Application
)	O
is	O
the	O
ninth	O
version	O
of	O
the	O
Internet	B-Application
Explorer	I-Application
web	B-Application
browser	I-Application
for	O
Windows	O
.	O
</s>
<s>
It	O
was	O
released	O
by	O
Microsoft	O
on	O
March	O
14	O
,	O
2011	O
,	O
as	O
the	O
ninth	O
version	O
of	O
Internet	B-Application
Explorer	I-Application
and	O
the	O
successor	O
to	O
Internet	B-Application
Explorer	I-Application
8	I-Application
.	O
</s>
<s>
Microsoft	O
released	O
Internet	B-Application
Explorer	I-Application
9	I-Application
as	O
a	O
major	O
out-of-band	O
version	O
that	O
was	O
not	O
tied	O
to	O
the	O
release	O
schedule	O
of	O
any	O
particular	O
version	O
of	O
Windows	O
,	O
unlike	O
previous	O
versions	O
.	O
</s>
<s>
It	O
is	O
the	O
first	O
version	O
of	O
Internet	B-Application
Explorer	I-Application
not	O
to	O
be	O
bundled	O
with	O
a	O
Windows	O
operating	O
system	O
,	O
although	O
some	O
OEMs	O
have	O
installed	O
it	O
with	O
Windows	B-Device
7	I-Device
on	O
their	O
PCs	O
.	O
</s>
<s>
Internet	B-Application
Explorer	I-Application
9	I-Application
is	O
the	O
last	O
version	O
that	O
is	O
called	O
Windows	B-Application
Internet	I-Application
Explorer	I-Application
.	O
</s>
<s>
The	O
software	O
was	O
rebranded	O
simply	O
as	O
Internet	B-Application
Explorer	I-Application
starting	O
in	O
2012	O
with	O
the	O
release	O
of	O
Internet	B-Application
Explorer	I-Application
10	I-Application
.	O
</s>
<s>
Internet	B-Application
Explorer	I-Application
9	I-Application
supports	O
ECMAScript	B-Language
5	O
(	O
ES5	O
)	O
,	O
several	O
CSS	B-Language
3	I-Language
properties	O
and	O
embedded	O
ICC	O
v2	O
or	O
v4	O
color	O
profiles	O
support	O
via	O
Windows	O
Color	O
System	O
,	O
and	O
has	O
improved	O
JavaScript	B-Language
performance	O
.	O
</s>
<s>
It	O
was	O
the	O
last	O
of	O
the	O
major	O
web	B-Application
browsers	I-Application
to	O
implement	O
support	O
for	O
Scalable	B-Application
Vector	I-Application
Graphics	I-Application
(	O
SVG	B-Application
)	O
.	O
</s>
<s>
It	O
also	O
features	O
hardware-accelerated	B-General_Concept
graphics	O
rendering	O
using	O
Direct2D	B-Library
,	O
hardware-accelerated	B-General_Concept
text	O
rendering	O
using	O
DirectWrite	O
,	O
hardware-accelerated	B-General_Concept
video	O
rendering	O
using	O
Media	B-Device
Foundation	I-Device
,	O
imaging	O
support	O
provided	O
by	O
Windows	O
Imaging	O
Component	O
,	O
and	O
high	O
fidelity	O
printing	O
powered	O
by	O
the	O
XML	B-Device
Paper	I-Device
Specification	I-Device
(	O
XPS	B-Application
)	O
print	O
pipeline	O
.	O
</s>
<s>
Internet	B-Application
Explorer	I-Application
9	I-Application
also	O
supports	O
the	O
HTML5	B-Application
video	O
and	O
audio	O
tags	O
and	O
the	O
Web	O
Open	O
Font	O
Format	O
.	O
</s>
<s>
Development	O
of	O
Internet	B-Application
Explorer	I-Application
9	I-Application
began	O
shortly	O
after	O
Internet	B-Application
Explorer	I-Application
8	I-Application
was	O
released	O
.	O
</s>
<s>
Microsoft	O
began	O
taking	O
features	O
suggestions	O
through	O
Microsoft	O
Connect	O
soon	O
after	O
Internet	B-Application
Explorer	I-Application
8	I-Application
was	O
released	O
.	O
</s>
<s>
The	O
Internet	B-Application
Explorer	I-Application
team	O
focused	O
on	O
improving	O
support	O
and	O
performance	O
for	O
HTML5	B-Application
,	O
CSS3	O
,	O
SVG	B-Application
,	O
XHTML	B-Language
,	O
JavaScript	B-Language
,	O
hardware	B-General_Concept
acceleration	I-General_Concept
,	O
and	O
the	O
user	O
interface	O
featuring	O
agility	O
and	O
"	O
a	O
clean	O
new	O
design	O
"	O
.	O
</s>
<s>
Microsoft	O
first	O
announced	O
Internet	B-Application
Explorer	I-Application
9	I-Application
at	O
PDC	O
2009	O
and	O
spoke	O
mainly	O
about	O
how	O
it	O
takes	O
advantage	O
of	O
hardware	B-General_Concept
acceleration	I-General_Concept
in	O
DirectX	B-Application
to	O
improve	O
the	O
performance	O
of	O
web	B-Application
applications	I-Application
and	O
improve	O
the	O
quality	O
of	O
web	O
typography	O
.	O
</s>
<s>
Later	O
,	O
Microsoft	O
announced	O
that	O
they	O
had	O
joined	O
the	O
W3C	O
's	O
SVG	B-Application
Working	O
Group	O
,	O
which	O
sparked	O
speculation	O
that	O
Internet	B-Application
Explorer	I-Application
9	I-Application
will	O
support	O
the	O
SVG	B-Application
W3C	O
recommendation	O
.	O
</s>
<s>
This	O
was	O
proven	O
to	O
be	O
true	O
at	O
MIX	O
10	O
,	O
where	O
they	O
demonstrated	O
support	O
for	O
basic	O
SVG	B-Application
markup	O
and	O
improved	O
support	O
for	O
HTML5	B-Application
.	O
</s>
<s>
They	O
also	O
announced	O
that	O
they	O
would	O
increase	O
the	O
support	O
greatly	O
by	O
the	O
time	O
the	O
first	O
Internet	B-Application
Explorer	I-Application
9	I-Application
Beta	O
was	O
released	O
.	O
</s>
<s>
The	O
Internet	B-Application
Explorer	I-Application
team	O
also	O
introduced	O
the	O
new	O
JavaScript	B-Language
engine	O
for	O
32-bit	O
Internet	B-Application
Explorer	I-Application
9	I-Application
,	O
codenamed	O
Chakra	B-Language
,	O
which	O
uses	O
Just-in-time	O
compilation	O
to	O
execute	O
JavaScript	B-Language
as	O
native	O
code	O
.	O
</s>
<s>
At	O
MIX	O
10	O
,	O
the	O
first	O
Internet	B-Application
Explorer	I-Application
9	I-Application
Platform	O
Preview	O
was	O
released	O
,	O
which	O
featured	O
support	O
for	O
CSS3	O
and	O
SVG	B-Application
,	O
a	O
new	O
JavaScript	B-Language
engine	O
called	O
Chakra	B-Language
,	O
and	O
a	O
score	O
of	O
55/100	O
on	O
the	O
Acid3	O
test	O
,	O
up	O
from	O
20/100	O
for	O
Internet	B-Application
Explorer	I-Application
8	I-Application
.	O
</s>
<s>
On	O
May	O
5	O
,	O
2010	O
,	O
the	O
second	O
Internet	B-Application
Explorer	I-Application
9	I-Application
Platform	O
Preview	O
was	O
released	O
,	O
which	O
featured	O
a	O
score	O
of	O
68/100	O
on	O
the	O
Acid3	O
test	O
and	O
faster	O
performance	O
on	O
the	O
WebKit	O
SunSpider	O
JavaScript	B-Language
benchmark	O
than	O
the	O
first	O
Internet	B-Application
Explorer	I-Application
9	I-Application
Platform	O
Preview	O
.	O
</s>
<s>
On	O
June	O
23	O
,	O
2010	O
,	O
the	O
third	O
Internet	B-Application
Explorer	I-Application
9	I-Application
Platform	O
Preview	O
was	O
released	O
,	O
which	O
featured	O
a	O
score	O
of	O
83/100	O
on	O
the	O
Acid3	O
test	O
and	O
a	O
faster	O
JavaScript	B-Language
engine	O
than	O
the	O
second	O
Internet	B-Application
Explorer	I-Application
9	I-Application
Platform	O
Preview	O
.	O
</s>
<s>
The	O
third	O
Internet	B-Application
Explorer	I-Application
9	I-Application
Platform	O
Preview	O
also	O
includes	O
support	O
for	O
HTML5	B-Application
audio	O
,	O
video	O
,	O
and	O
canvas	B-Language
tags	I-Language
,	O
and	O
WOFF	O
.	O
</s>
<s>
On	O
August	O
4	O
,	O
2010	O
,	O
the	O
fourth	O
Internet	B-Application
Explorer	I-Application
9	I-Application
Platform	O
Preview	O
was	O
released	O
,	O
which	O
features	O
a	O
score	O
of	O
95/100	O
on	O
the	O
Acid3	O
test	O
and	O
a	O
faster	O
JavaScript	B-Language
engine	O
than	O
the	O
third	O
Internet	B-Application
Explorer	I-Application
9	I-Application
Platform	O
Preview	O
.	O
</s>
<s>
On	O
September	O
15	O
,	O
2010	O
,	O
the	O
Internet	B-Application
Explorer	I-Application
9	I-Application
Public	O
Beta	O
was	O
released	O
alongside	O
Platform	O
Preview	O
5	O
,	O
featuring	O
a	O
new	O
user	O
interface	O
.	O
</s>
<s>
In	O
contrast	O
to	O
the	O
previews	O
,	O
the	O
Beta	O
replaces	O
any	O
previously	O
installed	O
version	O
of	O
Internet	B-Application
Explorer	I-Application
.	O
</s>
<s>
The	O
sixth	O
Internet	B-Application
Explorer	I-Application
9	I-Application
Platform	O
Preview	O
was	O
released	O
on	O
October	O
28	O
,	O
2010	O
,	O
and	O
includes	O
support	O
for	O
CSS3	O
2D	O
transforms	O
and	O
HTML5	B-Application
semantic	O
elements	O
.	O
</s>
<s>
The	O
seventh	O
Internet	B-Application
Explorer	I-Application
9	I-Application
Platform	O
Preview	O
was	O
released	O
on	O
November	O
17	O
,	O
2010	O
,	O
and	O
features	O
better	O
JavaScript	B-Language
performance	O
.	O
</s>
<s>
These	O
previews	O
were	O
not	O
full	O
builds	O
of	O
Internet	B-Application
Explorer	I-Application
9	I-Application
,	O
as	O
they	O
were	O
for	O
testing	O
the	O
latest	O
version	O
of	O
the	O
MSHTML	B-Application
(	O
Trident	B-Application
)	O
browser	B-Application
engine	O
.	O
</s>
<s>
They	O
were	O
for	O
web	O
developers	O
to	O
send	O
feedback	O
on	O
the	O
improvements	O
made	O
,	O
functioned	O
in	O
parallel	O
with	O
any	O
other	O
installed	O
browsers	B-Application
,	O
and	O
were	O
previews	O
of	O
the	O
renderer	O
technology	O
only	O
,	O
containing	O
minimalistic	O
user	O
interfaces	O
and	O
lacking	O
traditional	O
interface	O
elements	O
such	O
as	O
an	O
address	O
bar	O
and	O
navigation	O
buttons	O
.	O
</s>
<s>
On	O
November	O
23	O
,	O
2010	O
,	O
two	O
updates	O
for	O
the	O
Internet	B-Application
Explorer	I-Application
9	I-Application
Public	O
Beta	O
were	O
released	O
.	O
</s>
<s>
Moreover	O
,	O
KB2452648	O
resolves	O
the	O
in-built	O
feedback	O
issue	O
with	O
Internet	B-Application
Explorer	I-Application
9	I-Application
and	O
the	O
latest	O
version	O
of	O
Windows	O
Live	O
Sign-in	O
Assistant	O
.	O
</s>
<s>
On	O
the	O
same	O
day	O
,	O
Internet	B-Application
Explorer	I-Application
build	O
9.0.8027.6000	O
based	O
on	O
Internet	B-Application
Explorer	I-Application
9	I-Application
Platform	O
Preview	O
7	O
was	O
leaked	O
.	O
</s>
<s>
On	O
February	O
10	O
,	O
2011	O
,	O
the	O
Internet	B-Application
Explorer	I-Application
9	I-Application
Release	O
Candidate	O
and	O
Platform	O
Preview	O
8	O
were	O
released	O
.	O
</s>
<s>
The	O
Release	O
Candidate	O
version	O
featured	O
improved	O
performance	O
,	O
a	O
Tracking	B-Application
Protection	I-Application
feature	O
,	O
a	O
refined	O
UI	O
,	O
support	O
for	O
more	O
web	O
standards	O
,	O
use	O
of	O
hardware	B-General_Concept
accelerated	I-General_Concept
graphics	O
,	O
and	O
other	O
improvements	O
.	O
</s>
<s>
The	O
final	O
version	O
of	O
Internet	B-Application
Explorer	I-Application
9	I-Application
was	O
publicly	O
released	O
during	O
the	O
South	O
by	O
Southwest	O
(	O
SXSW	O
)	O
Interactive	O
conference	O
in	O
Austin	O
,	O
Texas	O
,	O
on	O
March	O
14	O
,	O
2011	O
.	O
</s>
<s>
Name	O
Build	O
Release	O
Date	O
Acid3	O
Score	O
New	O
Features	O
Platform	O
Preview	O
1	O
1.9.7745.6019	O
March	O
16	O
,	O
2010	O
55/100	O
Support	O
for	O
CSS3	O
and	O
SVG	B-Application
and	O
a	O
new	O
JavaScript	B-Language
engine	O
called	O
Chakra	B-Language
.	O
</s>
<s>
Platform	O
Preview	O
2	O
1.9.7766.6000	O
May	O
5	O
,	O
2010	O
68/100	O
Better	O
JavaScript	B-Language
performance	O
.	O
</s>
<s>
Platform	O
Preview	O
3	O
1.9.7874.6000	O
June	O
23	O
,	O
2010	O
83/100	O
HTML5	B-Application
audio	O
,	O
video	O
,	O
and	O
canvas	B-Language
tags	I-Language
,	O
and	O
WOFF	O
.	O
</s>
<s>
Platform	O
Preview	O
4	O
1.9.7916.6000	O
August	O
4	O
,	O
2010	O
95/100JavaScript	O
engine	O
integrated	O
into	O
the	O
core	O
browser	B-Application
components	O
,	O
a	O
shared	O
DOM	B-General_Concept
between	O
the	O
browser	B-Application
and	O
the	O
script	O
engine	O
based	O
on	O
ECMAScript5	O
,	O
and	O
a	O
highly	O
interactive	O
and	O
integrated	O
SVG	B-Application
.	O
</s>
<s>
Platform	O
Preview	O
6	O
1.9.8006.6000	O
October	O
28	O
,	O
2010	O
CSS3	O
2D	O
transforms	O
and	O
HTML5	B-Application
semantic	O
tags	O
.	O
</s>
<s>
Platform	O
Preview	O
7	O
1.9.8023.6000	O
November	O
17	O
,	O
2010	O
Better	O
JavaScript	B-Language
performance	O
.	O
</s>
<s>
Platform	O
Preview	O
8	O
1.9.8080.16413	O
February	O
10	O
,	O
2011	O
Performance	O
,	O
interoperability	O
enhancements	O
,	O
and	O
support	O
for	O
the	O
W3C	B-Language
Geolocation	I-Language
API	I-Language
.	O
</s>
<s>
Release	O
Candidate	O
9.0.8080.16413	O
Improved	O
performance	O
,	O
InPrivate	O
Filtering	O
renamed	O
to	O
Tracking	B-Application
Protection	I-Application
,	O
a	O
refined	O
UI	O
,	O
support	O
for	O
more	O
web	O
standards	O
,	O
the	O
option	O
to	O
add	O
a	O
new	O
tab	O
row	O
,	O
and	O
other	O
improvements	O
.	O
</s>
<s>
RTW	O
9.0.8112.16421	O
March	O
14	O
,	O
2011	O
100/100	O
Improved	O
performance	O
,	O
improved	O
Tracking	B-Application
Protection	I-Application
,	O
and	O
the	O
option	O
to	O
pin	O
multiple	O
targets	O
per	O
page	O
.	O
</s>
<s>
Last	O
version	O
to	O
support	O
Windows	B-Application
Vista	I-Application
SP2	O
,	O
Windows	B-Device
Server	I-Device
2008	I-Device
SP2	O
,	O
Windows	B-Device
7	I-Device
RTM	O
and	O
Windows	B-Device
Server	I-Device
2008	I-Device
R2	I-Device
RTM	O
.	O
</s>
<s>
Support	O
for	O
Internet	B-Application
Explorer	I-Application
9	I-Application
on	O
most	O
Windows	O
versions	O
ended	O
on	O
January	O
12	O
,	O
2016	O
,	O
when	O
Microsoft	O
began	O
requiring	O
customers	O
to	O
use	O
the	O
latest	O
version	O
of	O
Internet	B-Application
Explorer	I-Application
available	O
for	O
each	O
Windows	O
version	O
.	O
</s>
<s>
For	O
versions	O
of	O
Windows	O
where	O
Internet	B-Application
Explorer	I-Application
9	I-Application
was	O
the	O
final	O
version	O
of	O
Internet	B-Application
Explorer	I-Application
available	O
,	O
support	O
ended	O
when	O
support	O
for	O
that	O
version	O
of	O
Windows	O
ended	O
.	O
</s>
<s>
On	O
January	O
14	O
,	O
2020	O
,	O
Microsoft	O
released	O
the	O
final	O
regular	O
IE9	B-Application
update	O
for	O
Windows	B-Device
Server	I-Device
2008	I-Device
SP2	O
.	O
</s>
<s>
However	O
,	O
as	O
Windows	B-Device
Server	I-Device
2008	I-Device
is	O
eligible	O
for	O
the	O
paid	O
ESU	O
(	O
Extended	O
Security	O
Updates	O
)	O
program	O
,	O
security	O
updates	O
from	O
Microsoft	O
for	O
IE9	B-Application
will	O
be	O
released	O
until	O
January	O
9	O
,	O
2024	O
(	O
for	O
Azure	B-Application
customers	O
)	O
,	O
following	O
which	O
,	O
only	O
IE11	O
(	O
the	O
final	O
version	O
of	O
Internet	B-Application
Explorer	I-Application
)	O
will	O
continue	O
to	O
be	O
supported	O
in	O
any	O
capacity	O
.	O
</s>
<s>
Internet	B-Application
Explorer	I-Application
9	I-Application
includes	O
significant	O
alterations	O
to	O
its	O
user	O
interface	O
when	O
compared	O
with	O
previous	O
versions	O
.	O
</s>
<s>
Pinned	O
Sites	O
:	O
Integrates	O
with	O
the	O
Windows	B-Device
7	I-Device
taskbar	O
to	O
make	O
web	O
site	O
experience	O
more	O
like	O
an	O
application	O
where	O
users	O
may	O
"	O
pin	O
"	O
a	O
site	O
and	O
then	O
return	O
to	O
it	O
later	O
like	O
a	O
shortcut	O
.	O
</s>
<s>
Enhanced	O
Tabs	O
and	O
Tab	O
Page	O
:	O
the	O
new	O
tab	O
page	O
can	O
show	O
most	O
visited	O
sites	O
,	O
and	O
tabs	O
are	O
shown	O
next	O
to	O
the	O
address	O
bar	O
(	O
there	O
is	O
an	O
option	O
to	O
have	O
a	O
separate	O
row	O
,	O
like	O
in	O
Internet	B-Application
Explorer	I-Application
8	I-Application
)	O
with	O
the	O
feature	O
of	O
closing	O
an	O
inactive	O
tab	O
.	O
</s>
<s>
Compact	O
user	O
interface	O
,	O
which	O
includes	O
the	O
removal	O
of	O
the	O
separate	O
search	O
box	O
found	O
in	O
Internet	B-Application
Explorer	I-Application
7	O
and	O
8	O
.	O
</s>
<s>
Also	O
removed	O
is	O
the	O
tab	O
menu	O
list	O
found	O
in	O
Internet	B-Application
Explorer	I-Application
8	I-Application
.	O
</s>
<s>
Internet	B-Application
Explorer	I-Application
9	I-Application
(	O
32-bit	O
)	O
features	O
a	O
faster	O
JavaScript	B-Language
engine	O
than	O
Internet	B-Application
Explorer	I-Application
8	I-Application
's	O
,	O
internally	O
known	O
as	O
Chakra	B-Language
.	O
</s>
<s>
Chakra	B-Language
has	O
a	O
separate	O
background	O
thread	O
for	O
compiling	O
JavaScript	B-Language
.	O
</s>
<s>
Compiling	O
in	O
the	O
background	O
enables	O
users	O
to	O
keep	O
interacting	O
with	O
webpages	O
while	O
Internet	B-Application
Explorer	I-Application
9	I-Application
generates	O
even	O
faster	O
code	O
.	O
</s>
<s>
In	O
Microsoft	O
's	O
preliminary	O
SunSpider	O
benchmarks	O
for	O
the	O
third	O
32-bit	O
Internet	B-Application
Explorer	I-Application
9	I-Application
Platform	O
Preview	O
,	O
it	O
outperformed	O
the	O
Internet	B-Application
Explorer	I-Application
8	I-Application
engine	O
by	O
a	O
factor	O
of	O
10	O
and	O
also	O
outperformed	O
the	O
newest	O
Firefox	B-Application
4.0	O
pre-release	O
.	O
</s>
<s>
Microsoft	O
provided	O
information	O
that	O
its	O
new	O
javascript	B-Language
engine	O
uses	O
dead	O
code	O
elimination	O
optimization	O
for	O
faster	O
performance	O
,	O
which	O
included	O
a	O
small	O
section	O
of	O
code	O
in	O
the	O
SunSpider	O
test	O
as	O
dead	O
code	O
.	O
</s>
<s>
Robert	O
Sayre	O
,	O
a	O
Mozilla	O
developer	O
investigated	O
this	O
further	O
,	O
showing	O
that	O
Internet	B-Application
Explorer	I-Application
9	I-Application
Preview	O
3	O
's	O
dead	O
code	O
elimination	O
had	O
bugs	O
,	O
providing	O
test	O
cases	O
exposing	O
these	O
bugs	O
resulting	O
in	O
wrong	O
compilation	O
.	O
</s>
<s>
After	O
its	O
final	O
release	O
,	O
32-bit	O
Internet	B-Application
Explorer	I-Application
9	I-Application
has	O
been	O
tested	O
to	O
be	O
the	O
leading	O
mainstream	O
browser	B-Application
in	O
the	O
Sunspider	O
performance	O
test	O
.	O
</s>
<s>
The	O
engine	O
significantly	O
improves	O
support	O
for	O
ECMA-262	B-Language
:	O
ECMAScript	B-Language
Language	O
Specification	O
standard	O
,	O
including	O
features	O
new	O
to	O
the	O
recently	O
finalized	O
Fifth	O
Edition	O
of	O
ECMA-262	B-Language
(	O
often	O
abbreviated	O
ES5	O
)	O
.	O
</s>
<s>
The	O
Internet	B-Application
Explorer	I-Application
9	I-Application
browser	B-Application
release	O
scored	O
only	O
3	O
faults	O
from	O
10440	O
tests	O
in	O
the	O
(	O
Ver	O
.	O
</s>
<s>
The	O
64-bit	O
version	O
of	O
Internet	B-Application
Explorer	I-Application
9	I-Application
,	O
which	O
is	O
not	O
the	O
default	O
browser	B-Application
even	O
on	O
64-bit	O
systems	O
,	O
does	O
not	O
have	O
the	O
JIT	O
compiler	O
and	O
performs	O
up	O
to	O
4	O
times	O
slower	O
.	O
</s>
<s>
DOM	B-General_Concept
improvements	O
include	O
:	O
</s>
<s>
Internet	B-Application
Explorer	I-Application
9	I-Application
has	O
improved	O
Cascading	B-Language
Style	I-Language
Sheets	I-Language
(	O
CSS	B-Language
)	O
support	O
.	O
</s>
<s>
The	O
Internet	B-Application
Explorer	I-Application
9	I-Application
implementation	O
report	O
,	O
which	O
was	O
created	O
using	O
Internet	B-Application
Explorer	I-Application
9	I-Application
Beta	O
,	O
shows	O
Internet	B-Application
Explorer	I-Application
9	I-Application
passing	O
97.7	O
%	O
of	O
all	O
tests	O
on	O
the	O
W3C	O
CSS	B-Language
2.1	I-Language
test	O
suite	O
.	O
</s>
<s>
This	O
is	O
the	O
highest	O
pass	O
rate	O
amongst	O
CSS	B-Language
2.1	I-Language
implementation	O
reports	O
submitted	O
to	O
W3C	O
.	O
</s>
<s>
Internet	B-Application
Explorer	I-Application
9	I-Application
includes	O
support	O
for	O
the	O
HTML5	B-Application
video	O
and	O
audio	O
tags	O
.	O
</s>
<s>
The	O
audio	O
tag	O
will	O
include	O
native	O
support	O
for	O
the	O
MP3	B-Application
and	O
AAC	B-Application
codecs	O
,	O
while	O
the	O
video	O
tag	O
will	O
natively	O
support	O
H.264/MPEG	B-Application
-4	I-Application
AVC	I-Application
.	O
</s>
<s>
Support	O
for	O
other	O
video	O
formats	O
,	O
such	O
as	O
WebM	B-Application
,	O
will	O
require	O
third-party	O
plugins	O
.	O
</s>
<s>
Internet	B-Application
Explorer	I-Application
9	I-Application
includes	O
support	O
for	O
the	O
HTML5	B-Language
canvas	I-Language
element	I-Language
.	O
</s>
<s>
The	O
first	O
Internet	B-Application
Explorer	I-Application
9	I-Application
Platform	O
Preview	O
has	O
support	O
for	O
:	O
</s>
<s>
SVG	B-Application
elements	O
that	O
are	O
supported	O
in	O
the	O
Platform	O
Preview	O
are	O
fully	O
implemented	O
.	O
</s>
<s>
Elements	O
that	O
exist	O
in	O
the	O
Platform	O
Preview	O
have	O
corresponding	O
SVGDOM	O
support	O
and	O
can	O
be	O
styled	O
with	O
CSS/presentation	O
attributes	O
.	O
</s>
<s>
The	O
final	O
build	O
of	O
Internet	B-Application
Explorer	I-Application
9	I-Application
also	O
supports	O
:	O
</s>
<s>
Internet	B-Application
Explorer	I-Application
was	O
the	O
first	O
browser	B-Application
to	O
support	O
web	O
fonts	O
through	O
the	O
@font	O
-face	O
rule	O
,	O
but	O
only	O
supported	O
the	O
Embedded	O
OpenType	O
(	O
EOT	O
)	O
format	O
,	O
and	O
lacked	O
support	O
for	O
parts	O
of	O
the	O
CSS3	O
fonts	O
module	O
.	O
</s>
<s>
Internet	B-Application
Explorer	I-Application
9	I-Application
completed	O
support	O
for	O
the	O
CSS3	O
fonts	O
module	O
and	O
added	O
WOFF	O
support	O
.	O
</s>
<s>
It	O
is	O
the	O
first	O
version	O
of	O
Internet	B-Application
Explorer	I-Application
to	O
support	O
TTF	O
fonts	O
,	O
but	O
will	O
only	O
use	O
them	O
if	O
none	O
of	O
their	O
embedding	O
permission	O
bits	O
are	O
set	O
.	O
</s>
<s>
Internet	B-Application
Explorer	I-Application
9	I-Application
implements	O
the	O
new	O
W3C	O
Navigation	O
Timings	O
format	O
.	O
</s>
<s>
Microsoft	O
has	O
been	O
a	O
part	O
of	O
creating	O
this	O
format	O
during	O
the	O
development	O
of	O
Internet	B-Application
Explorer	I-Application
9	I-Application
.	O
</s>
<s>
Internet	B-Application
Explorer	I-Application
9	I-Application
includes	O
a	O
Tracking	B-Application
Protection	I-Application
feature	O
which	O
improves	O
upon	O
Internet	B-Application
Explorer	I-Application
8	I-Application
's	O
InPrivate	O
Filtering	O
.	O
</s>
<s>
Internet	B-Application
Explorer	I-Application
9	I-Application
supports	O
two	O
methods	O
of	O
tracking	B-Application
protection	I-Application
.	O
</s>
<s>
The	O
primary	O
method	O
is	O
through	O
the	O
use	O
of	O
Tracking	B-Application
Protection	I-Application
Lists	O
(	O
TPL	O
)	O
which	O
are	O
now	O
supplied	O
by	O
internet	O
privacy-related	O
organizations	O
or	O
companies	O
.	O
</s>
<s>
Tracking	B-Application
Protection	I-Application
by	O
default	O
remains	O
on	O
once	O
enabled	O
,	O
unlike	O
InPrivate	O
Filtering	O
which	O
had	O
to	O
be	O
enabled	O
each	O
time	O
Internet	B-Application
Explorer	I-Application
8	I-Application
started	O
.	O
</s>
<s>
When	O
a	O
TPL	O
is	O
selected	O
,	O
Internet	B-Application
Explorer	I-Application
9	I-Application
blocks	O
or	O
allows	O
third-party	O
URI	O
downloads	O
based	O
on	O
rules	O
in	O
the	O
TPL	O
.	O
</s>
<s>
The	O
other	O
method	O
is	O
the	O
use	O
of	O
a	O
Do	B-Protocol
Not	I-Protocol
Track	I-Protocol
header	I-Protocol
and	O
DOM	B-General_Concept
property	O
.	O
</s>
<s>
Browser	B-Application
requests	O
from	O
Internet	B-Application
Explorer	I-Application
9	I-Application
include	O
this	O
header	O
whenever	O
a	O
TPL	O
is	O
selected	O
.	O
</s>
<s>
These	O
tracking	B-Application
protection	I-Application
methods	O
were	O
submitted	O
to	O
W3C	O
for	O
standardization	O
.	O
</s>
<s>
Internet	B-Application
Explorer	I-Application
9	I-Application
uses	O
layered	O
protection	O
against	O
malware	O
.	O
</s>
<s>
It	O
uses	O
technical	O
measures	O
to	O
protect	O
its	O
memory	O
like	O
the	O
DEP/NSX	O
protection	O
,	O
Safe	O
Exception	O
handlers	O
(	O
SafeSEH	O
)	O
and	O
ASLR	O
protection	O
used	O
in	O
Internet	B-Application
Explorer	I-Application
8	I-Application
.	O
</s>
<s>
In	O
addition	O
to	O
those	O
existing	O
forms	O
of	O
memory	B-General_Concept
protection	I-General_Concept
,	O
Internet	B-Application
Explorer	I-Application
9	I-Application
now	O
opts-in	O
to	O
SEHOP	O
(	O
Structured	O
Exception	O
Handler	O
Overwrite	O
Protection	O
)	O
which	O
works	O
by	O
validating	O
the	O
integrity	O
of	O
the	O
exception	O
handling	O
chain	O
before	O
dispatching	O
exceptions	O
.	O
</s>
<s>
This	O
helps	O
ensure	O
that	O
structured	O
exception	O
handling	O
cannot	O
be	O
used	O
as	O
an	O
exploit	O
vector	O
,	O
even	O
when	O
running	O
outdated	O
browser	B-Application
add-ons	O
that	O
have	O
not	O
been	O
recompiled	O
to	O
take	O
advantage	O
of	O
SafeSEH	O
.	O
</s>
<s>
In	O
addition	O
,	O
Internet	B-Application
Explorer	I-Application
9	I-Application
is	O
compiled	O
with	O
the	O
new	O
C++	O
compiler	O
provided	O
with	O
Visual	O
Studio	O
2010	O
.	O
</s>
<s>
This	O
compiler	O
includes	O
a	O
feature	O
known	O
as	O
Enhanced	O
GS	O
,	O
also	O
known	O
as	O
Stack	B-General_Concept
Buffer	I-General_Concept
Overrun	I-General_Concept
Detection	O
,	O
which	O
helps	O
prevent	O
stack	B-General_Concept
buffer	I-General_Concept
overruns	I-General_Concept
by	O
detecting	O
stack	O
corruption	O
and	O
avoiding	O
execution	O
if	O
such	O
corruption	O
is	O
encountered	O
.	O
</s>
<s>
Internet	B-Application
Explorer	I-Application
8	I-Application
used	O
SmartScreen	O
technology	O
,	O
which	O
,	O
according	O
to	O
Microsoft	O
,	O
was	O
successful	O
against	O
phishing	O
or	O
other	O
malicious	O
sites	O
and	O
in	O
blocking	O
of	O
socially	O
engineered	O
malware	O
.	O
</s>
<s>
In	O
Internet	B-Application
Explorer	I-Application
9	I-Application
,	O
the	O
protection	O
against	O
malware	O
downloads	O
is	O
extended	O
with	O
SmartScreen	O
Application	O
Reputation	O
.	O
</s>
<s>
In	O
late	O
2010	O
,	O
the	O
results	O
of	O
browser	B-Application
malware	O
testing	O
undertaken	O
by	O
NSS	O
labs	O
were	O
published	O
.	O
</s>
<s>
The	O
study	O
looked	O
at	O
the	O
browser	B-Application
's	O
capability	O
to	O
prevent	O
users	O
following	O
socially	O
engineered	O
links	O
of	O
a	O
malicious	O
nature	O
and	O
downloading	O
malicious	O
software	O
.	O
</s>
<s>
It	O
did	O
not	O
test	O
the	O
browser	B-Application
's	O
ability	O
to	O
block	O
malicious	O
web	O
pages	O
or	O
code	O
.	O
</s>
<s>
According	O
to	O
NSS	O
,	O
Internet	B-Application
Explorer	I-Application
9	I-Application
blocked	O
99%	O
of	O
malware	O
downloads	O
compared	O
to	O
90%	O
for	O
Internet	B-Application
Explorer	I-Application
8	I-Application
that	O
does	O
not	O
have	O
SmartScreen	O
Application	O
Reputation	O
feature	O
.	O
</s>
<s>
In	O
early	O
2010	O
,	O
similar	O
tests	O
gave	O
Internet	B-Application
Explorer	I-Application
8	I-Application
an	O
85%	O
passing	O
grade	O
,	O
the	O
5%	O
improvement	O
being	O
attributed	O
to	O
"	O
continued	O
investments	O
in	O
improved	O
data	O
intelligence	O
"	O
.	O
</s>
<s>
By	O
comparison	O
,	O
the	O
same	O
research	O
showed	O
that	O
Chrome	B-Application
6	O
,	O
Firefox	B-Application
3.6	O
and	O
Safari	O
5	O
,	O
which	O
all	O
rely	O
on	O
Google	B-Application
's	I-Application
Safe	O
Browsing	O
Service	O
,	O
scored	O
6%	O
,	O
19%	O
and	O
11%	O
,	O
respectively	O
.	O
</s>
<s>
Opera	B-Application
10	O
scored	O
0%	O
,	O
failing	O
to	O
"	O
detect	O
any	O
of	O
the	O
socially	O
engineered	O
malware	O
samples	O
"	O
.	O
</s>
<s>
Manufacturers	O
of	O
other	O
browsers	B-Application
criticized	O
the	O
test	O
,	O
focusing	O
upon	O
the	O
lack	O
of	O
transparency	O
of	O
URLs	O
tested	O
and	O
the	O
lack	O
of	O
consideration	O
of	O
layered	O
security	O
additional	O
to	O
the	O
browser	B-Application
,	O
with	O
Google	B-Application
commenting	O
that	O
"	O
The	O
report	O
itself	O
clearly	O
states	O
that	O
it	O
does	O
not	O
evaluate	O
browser	B-Application
security	O
related	O
to	O
vulnerabilities	O
in	O
plug-ins	O
or	O
the	O
browsers	B-Application
themselves	O
"	O
,	O
and	O
Opera	B-Application
commenting	O
that	O
the	O
results	O
appeared	O
"	O
odd	O
that	O
they	O
received	O
no	O
results	O
from	O
our	O
data	O
providers	O
"	O
and	O
that	O
"	O
social	O
malware	O
protection	O
is	O
not	O
an	O
indicator	O
of	O
overall	O
browser	B-Application
security	O
"	O
.	O
</s>
<s>
Internet	B-Application
Explorer	I-Application
9	I-Application
's	O
dual-pronged	O
approach	O
to	O
blocking	O
access	O
to	O
malicious	O
URLs	O
—	O
SmartScreen	O
Filter	O
to	O
block	O
bad	O
URLs	O
,	O
and	O
Application	O
Reputation	O
to	O
detect	O
untrustworthy	O
executables	O
—	O
provides	O
the	O
best	O
socially	O
engineered	O
malware	O
blocking	O
of	O
any	O
stable	O
browser	B-Application
version	O
.	O
</s>
<s>
Internet	B-Application
Explorer	I-Application
9	I-Application
blocked	O
92	O
percent	O
of	O
malware	O
with	O
its	O
URL-based	O
filtering	O
,	O
and	O
100	O
percent	O
with	O
Application-based	O
filtering	O
enabled	O
.	O
</s>
<s>
Internet	B-Application
Explorer	I-Application
8	I-Application
,	O
in	O
second	O
place	O
,	O
blocked	O
90	O
percent	O
of	O
malware	O
.	O
</s>
<s>
Tied	O
for	O
third	O
place	O
were	O
Safari	O
5	O
,	O
Chrome	B-Application
10	O
,	O
and	O
Firefox	B-Application
4	O
,	O
each	O
blocking	O
just	O
13	O
percent	O
.	O
</s>
<s>
Bringing	O
up	O
the	O
rear	O
was	O
Opera	B-Application
11	O
,	O
blocking	O
just	O
5	O
percent	O
of	O
malware	O
.	O
</s>
<s>
Due	O
to	O
technical	O
improvements	O
of	O
the	O
browser	B-Application
,	O
the	O
Internet	B-Application
Explorer	I-Application
developer	O
team	O
decided	O
to	O
change	O
the	O
user	B-Protocol
agent	I-Protocol
(	O
UA	O
)	O
string	O
.	O
</s>
<s>
The	O
Mozilla/4.0	O
token	O
was	O
changed	O
to	O
Mozilla/5.0	O
to	O
match	O
the	O
user	B-Protocol
agent	I-Protocol
strings	O
of	O
other	O
recent	O
browsers	B-Application
and	O
to	O
indicate	O
that	O
Internet	B-Application
Explorer	I-Application
9	I-Application
is	O
more	O
interoperable	O
than	O
previous	O
versions	O
.	O
</s>
<s>
The	O
Trident/4.0	O
token	O
was	O
likewise	O
changed	O
to	O
Trident/5.0	O
.	O
</s>
<s>
Because	O
long	O
,	O
extended	O
UA	O
strings	O
cause	O
compatibility	O
issues	O
,	O
Internet	B-Application
Explorer	I-Application
9	I-Application
's	O
default	O
UA	O
string	O
does	O
not	O
include	O
.NET	B-Application
identifiers	O
or	O
other	O
"	O
pre-platform	O
"	O
and	O
"	O
post-platform	O
"	O
tokens	O
that	O
were	O
sent	O
by	O
previous	O
versions	O
of	O
the	O
browser	B-Application
.	O
</s>
<s>
The	O
extended	O
string	O
is	O
still	O
available	O
to	O
websites	O
via	O
the	O
browser	B-Application
's	O
.userAgent	O
property	O
,	O
and	O
is	O
sent	O
when	O
a	O
web	O
page	O
is	O
displayed	O
in	O
Compatibility	O
View	O
mode	O
.	O
</s>
<s>
User	B-Protocol
agent	I-Protocol
string	O
Extended	O
string	O
?	O
</s>
<s>
In	O
Internet	B-Application
Explorer	I-Application
9	I-Application
,	O
the	O
extensibility	O
mechanisms	O
for	O
Browser	B-Application
Helper	I-Application
Objects	I-Application
(	O
BHOs	O
)	O
and	O
toolbars	O
remain	O
the	O
same	O
.	O
</s>
<s>
Noting	O
that	O
according	O
to	O
Net	O
Applications	O
,	O
Internet	B-Application
Explorer	I-Application
's	O
share	O
fell	O
to	O
56%	O
in	O
January	O
2011	O
,	O
the	O
BBC	O
quoted	O
Microsoft	O
's	O
claims	O
that	O
Internet	B-Application
Explorer	I-Application
9	I-Application
is	O
"	O
playing	O
catch	O
up	O
,	O
but	O
it	O
leapfrogs	O
everything	O
"	O
and	O
"	O
you	O
are	O
seeing	O
innovation	O
after	O
innovation	O
that	O
other	O
folks	O
are	O
catching	O
up	O
to.	O
"	O
</s>
<s>
In	O
The	O
Register	O
,	O
Tim	O
Anderson	O
said	O
Internet	B-Application
Explorer	I-Application
9	I-Application
was	O
Microsoft	O
's	O
answer	O
to	O
the	O
fall	O
in	O
Internet	B-Application
Explorer	I-Application
's	O
market	O
share	O
(	O
from	O
68.5	O
%	O
in	O
July	O
2008	O
to	O
46%	O
in	O
January	O
2011	O
,	O
according	O
to	O
StatCounter	O
)	O
.	O
</s>
<s>
He	O
felt	O
it	O
was	O
"	O
fast	O
and	O
polished	O
"	O
,	O
a	O
"	O
remarkable	O
improvement	O
"	O
over	O
version	O
8	O
,	O
noting	O
"	O
superb	O
"	O
development	O
tools	O
and	O
"	O
real	O
and	O
significant	O
"	O
support	O
for	O
HTML5	B-Application
,	O
though	O
"	O
not	O
as	O
comprehensive	O
as	O
the	O
company	O
's	O
publicity	O
implies.	O
"	O
</s>
<s>
However	O
,	O
configuration	O
options	O
are	O
"	O
strewn	O
all	O
over	O
the	O
user	O
interface	O
"	O
,	O
and	O
the	O
"	O
distinctive	O
and	O
excellent	O
"	O
ActiveX	B-Application
filtering	O
and	O
Tracking	B-Application
Protection	I-Application
features	O
might	O
be	O
"	O
perplexing	O
for	O
less	O
technical	O
users.	O
"	O
</s>
<s>
The	O
new	O
version	O
is	O
"	O
a	O
good	O
modern	O
browser	B-Application
"	O
but	O
"	O
the	O
competition	O
is	O
moving	O
faster.	O
"	O
</s>
<s>
Computing	O
observed	O
that	O
"	O
the	O
feature	O
set	O
has	O
piled	O
up	O
"	O
since	O
development	O
began	O
,	O
with	O
recent	O
changes	O
including	O
"	O
a	O
completely	O
rejigged	O
JavaScript	B-Language
engine	O
,	O
and	O
far	O
better	O
web	O
standards	O
support.	O
"	O
</s>
<s>
It	O
reported	O
that	O
Internet	B-Application
Explorer	I-Application
9	I-Application
RC	O
ranked	O
above	O
Firefox	B-Application
,	O
slightly	O
above	O
Safari	O
,	O
and	O
below	O
Chrome	B-Application
and	O
Opera	B-Application
on	O
Futuremark	O
's	O
Peacekeeper	O
browser	B-Application
benchmark	O
.	O
</s>
<s>
Internet	B-Application
Explorer	I-Application
9	I-Application
scored	O
95%	O
on	O
the	O
unofficial	O
Acid3	O
standards	O
test	O
.	O
</s>
<s>
Michael	O
Muchmore	O
's	O
first	O
impressions	O
in	O
PC	O
Magazine	O
were	O
broadly	O
positive	O
,	O
praising	O
features	O
of	O
the	O
InPrivate	O
mode	O
(	O
which	O
"	O
I	O
'm	O
surprised	O
other	O
browser	B-Application
makers	O
have	O
n't	O
included	O
"	O
)	O
and	O
concluding	O
that	O
Internet	B-Application
Explorer	I-Application
9	I-Application
's	O
tracking	B-Application
protection	I-Application
was	O
"	O
more	O
flexible	O
and	O
comprehensive	O
"	O
than	O
Mozilla	O
's	O
.	O
</s>
<s>
The	O
review	O
reported	O
that	O
Internet	B-Application
Explorer	I-Application
9	I-Application
"	O
now	O
wins	O
the	O
SunSpider	O
JavaScript	B-Language
Benchmark	O
"	O
and	O
had	O
achieved	O
"	O
a	O
hefty	O
improvement	O
"	O
on	O
Google	B-Application
's	I-Application
JavaScript	B-Language
benchmark	O
–	O
though	O
it	O
was	O
still	O
far	O
behind	O
Chrome	B-Application
9	O
.	O
</s>
<s>
However	O
"	O
in	O
normal	O
browsing	O
,	O
I	O
was	O
hard	O
pressed	O
to	O
see	O
a	O
 [ performance ] 	O
difference	O
between	O
Chrome	B-Application
and	O
Internet	O
Explorer.	O
"	O
</s>
<s>
The	O
release	O
candidate	O
was	O
also	O
"	O
perfectly	O
"	O
compatible	O
with	O
far	O
more	O
sites	O
than	O
the	O
beta	O
,	O
but	O
there	O
are	O
still	O
issues	O
with	O
some	O
sites	O
because	O
their	O
developers	O
are	O
not	O
yet	O
testing	O
with	O
the	O
new	O
browser	B-Application
.	O
</s>
<s>
On	O
its	O
first	O
day	O
of	O
commercial	O
availability	O
,	O
Internet	B-Application
Explorer	I-Application
9	I-Application
was	O
downloaded	O
over	O
2.35	O
million	O
times	O
.	O
</s>
<s>
Blogging	O
his	O
March	O
2011	O
performance	O
tests	O
for	O
ZDNet	O
,	O
Adrian	O
Kingsley-Hughes	O
concluded	O
that	O
Chrome	B-Application
10	O
,	O
Internet	B-Application
Explorer	I-Application
9	I-Application
(	O
32-bit	O
)	O
Final	O
Release	O
,	O
Opera	B-Application
11.01	O
and	O
Firefox	B-Application
4	O
's	O
Release	O
candidate	O
were	O
"	O
pretty	O
evenly	O
matched	O
....	O
Microsoft	O
has	O
worked	O
hard	O
on	O
IE	O
,	O
taking	O
it	O
from	O
being	O
the	O
slowest	O
in	O
the	O
pack	O
to	O
one	O
of	O
the	O
fastest	O
.	O
</s>
<s>
Bottom	O
line	O
,	O
I	O
really	O
do	O
n't	O
think	O
that	O
JavaScript	B-Language
performance	O
is	O
an	O
issue	O
any	O
more	O
,	O
and	O
certainly	O
in	O
real-world	O
testing	O
it	O
's	O
hard	O
to	O
see	O
a	O
difference	O
between	O
the	O
browsers.	O
"	O
</s>
<s>
On	O
31	O
October	O
2011	O
,	O
PC	O
World	O
ranked	O
Internet	B-Application
Explorer	I-Application
9	I-Application
as	O
#19	O
on	O
its	O
100	O
Best	O
Products	O
of	O
2011	O
.	O
</s>
<s>
The	O
other	O
web	B-Application
browser	I-Application
listed	O
was	O
Maxthon	B-Application
3.1	O
,	O
a	O
hybrid	O
browser	B-Application
based	O
on	O
Google	B-Application
Chrome	I-Application
and	O
Internet	B-Application
Explorer	I-Application
.	O
</s>
<s>
A	O
review	O
of	O
IE9	B-Application
beta	O
in	O
PC	O
World	O
noted	O
a	O
performance	O
improvement	O
over	O
IE8	B-Application
.	O
</s>
<s>
Internet	B-Application
Explorer	I-Application
9	I-Application
requires	O
Windows	B-Application
Vista	I-Application
SP2	O
,	O
Windows	B-Device
Server	I-Device
2008	I-Device
SP2	O
or	O
Windows	B-Device
7	I-Device
at	O
the	O
minimum	O
.	O
</s>
<s>
Both	O
IA-32	B-Device
and	O
x64	B-Device
builds	O
are	O
available	O
.	O
</s>
<s>
Support	O
for	O
Windows	B-Application
XP	I-Application
and	O
Windows	B-Application
Server	I-Application
2003	I-Application
was	O
dropped	O
.	O
</s>
<s>
It	O
is	O
the	O
last	O
version	O
of	O
Internet	B-Application
Explorer	I-Application
that	O
supports	O
Windows	B-Application
Vista	I-Application
SP2	O
,	O
Windows	B-Device
Server	I-Device
2008	I-Device
SP2	O
,	O
Windows	B-Device
7	I-Device
RTM	O
and	O
Windows	B-Device
Server	I-Device
2008	I-Device
R2	I-Device
RTM	O
;	O
as	O
the	O
following	O
version	O
,	O
Internet	B-Application
Explorer	I-Application
10	I-Application
,	O
only	O
supports	O
Windows	B-Device
7	I-Device
SP1	O
or	O
later	O
and	O
Windows	B-Device
Server	I-Device
2008	I-Device
R2	I-Device
SP1	O
or	O
later	O
.	O
</s>
<s>
At	O
the	O
February	O
2011	O
Mobile	O
World	O
Congress	O
,	O
Steve	O
Ballmer	O
announced	O
a	O
major	O
update	O
to	O
Windows	B-Protocol
Phone	I-Protocol
due	O
towards	O
the	O
end	O
of	O
2011	O
,	O
which	O
will	O
include	O
a	O
mobile	O
version	O
of	O
Internet	B-Application
Explorer	I-Application
9	I-Application
that	O
supports	O
the	O
same	O
web	O
standards	O
(	O
e.g.	O
</s>
<s>
HTML5	B-Application
)	O
and	O
hardware	B-General_Concept
accelerated	I-General_Concept
graphics	O
as	O
the	O
PC	O
version	O
.	O
</s>
<s>
Microsoft	O
demonstrated	O
hardware-accelerated	B-General_Concept
performance	O
of	O
a	O
fish-tank	O
demo	O
using	O
a	O
development	O
build	O
of	O
mobile	O
Internet	B-Application
Explorer	I-Application
9	I-Application
compared	O
with	O
slow	O
performance	O
on	O
the	O
November	B-Application
2010	I-Application
iOS	I-Application
4.2.1	I-Application
RTM	O
of	O
Safari	O
on	O
iPhone	O
4	O
.	O
</s>
