<s>
QQ	B-Application
Browser	I-Application
is	O
a	O
web	B-Application
browser	I-Application
developed	O
by	O
Mainland	O
Chinese	O
technology	O
company	O
Tencent	O
.	O
</s>
<s>
It	O
utilizes	O
two	O
browser	B-Application
engines	O
:	O
WebKit	B-Language
and	O
Trident	B-Application
.	O
</s>
<s>
Previously	O
,	O
Tencent	O
had	O
developed	O
Tencent	O
Explorer	O
(	O
Tencent	O
TE	O
)	O
and	O
Tencent	O
TT	O
,	O
two	O
browsers	B-Application
based	O
on	O
the	O
Trident	B-Application
engine	O
,	O
as	O
well	O
as	O
QQ	B-Application
Browser	I-Application
versions	O
5	O
and	O
6	O
,	O
which	O
integrated	O
the	O
WebKit	B-Language
engine	O
.	O
</s>
<s>
On	O
November	O
20	O
,	O
2000	O
,	O
Tencent	O
released	O
the	O
first	O
version	O
of	O
Tencent	O
Explorer	O
(	O
Tencent	O
Explorer	O
,	O
referred	O
to	O
as	O
TE	O
)	O
and	O
bundled	O
it	O
with	O
the	O
OICQ	B-Operating_System
2000	O
Preview1	O
1115	O
(	O
now	O
Tencent	B-Operating_System
QQ	I-Operating_System
)	O
.	O
</s>
<s>
This	O
browser	B-Application
is	O
one	O
of	O
the	O
earliest	O
page	O
viewers	O
in	O
mainland	O
China	O
,	O
rendering	O
pages	O
using	O
the	O
Trident	B-Application
layout	I-Application
engine	I-Application
(	O
known	O
as	O
the	O
Internet	O
Explorer	O
webpage	O
renderer	O
)	O
.	O
</s>
<s>
The	O
first	O
version	O
of	O
Tencent	O
TE	O
includes	O
the	O
"	O
Who	O
is	O
with	O
me	O
"	O
feature	O
,	O
which	O
allows	O
OICQ	B-Operating_System
users	O
who	O
are	O
browsing	O
the	O
same	O
web	O
page	O
to	O
communicate	O
online	O
,	O
but	O
this	O
feature	O
raises	O
users	O
 '	O
concerns	O
about	O
personal	O
data	O
security	O
.	O
</s>
<s>
In	O
order	O
to	O
eliminate	O
user	O
concerns	O
,	O
Tencent	O
issued	O
a	O
statement	O
on	O
April	O
24	O
,	O
2003	O
,	O
stating	O
that	O
browsing	O
the	O
webpage	O
does	O
not	O
reveal	O
personal	O
data	O
when	O
using	O
this	O
feature	O
;	O
if	O
users	O
do	O
not	O
want	O
to	O
use	O
this	O
feature	O
but	O
also	O
want	O
to	O
use	O
the	O
browser	B-Application
,	O
you	O
can	O
choose	O
"	O
Invisible	O
"	O
mode	O
.	O
</s>
<s>
In	O
2003	O
,	O
Tencent	O
rewrote	O
its	O
source	O
code	O
on	O
the	O
basis	O
of	O
Tencent	O
TE	O
,	O
and	O
released	O
the	O
first	O
version	O
of	O
the	O
new	O
browser	B-Application
on	O
November	O
11	O
,	O
Tencent	O
TT	O
(	O
Tencent	O
Traveler	O
)	O
.	O
</s>
<s>
At	O
this	O
point	O
,	O
the	O
software	O
officially	O
stripped	O
from	O
Tencent	B-Operating_System
QQ	I-Operating_System
and	O
became	O
an	O
independent	O
software	O
.	O
</s>
<s>
From	O
this	O
version	O
,	O
TT	O
opens	O
the	O
web	O
page	O
and	O
browses	O
it	O
in	O
multiple	O
threads	O
to	O
improve	O
speed	O
and	O
performance	O
,	O
but	O
still	O
centered	O
on	O
the	O
Trident	B-Application
layout	I-Application
engine	I-Application
.	O
</s>
<s>
On	O
May	O
25	O
,	O
2010	O
,	O
Tencent	O
released	O
QQ	B-Application
Browser	I-Application
5.0	O
Preview1	O
version	O
,	O
QQ	B-Application
Browser	I-Application
began	O
to	O
use	O
Webkit	B-Language
and	O
Trident	B-Application
dual-core	O
.	O
</s>
<s>
QQ	B-Application
Browser	I-Application
is	O
jointly	O
promoted	O
with	O
Search	O
Dog	O
Browser	B-Application
and	O
Maple	O
Browser	B-Application
(	O
ChromePlus	O
)	O
which	O
are	O
also	O
rendered	O
using	O
the	O
double	O
typesetting	O
engine	O
.	O
</s>
<s>
In	O
October	O
2012	O
,	O
the	O
preview	O
version	O
of	O
QQ	B-Application
Browser	I-Application
7.0	O
was	O
released	O
on	O
the	O
Tencent	O
Experience	O
Center	O
website	O
and	O
was	O
open	O
for	O
testing	O
.	O
</s>
<s>
The	O
QQ	B-Application
Browser	I-Application
7.0	O
preview	O
version	O
adopts	O
the	O
new	O
version	O
of	O
the	O
interface	O
,	O
and	O
the	O
brand	O
is	O
consistent	O
with	O
the	O
mobile	B-Operating_System
QQ	B-Application
Browser	I-Application
.	O
</s>
<s>
Version	O
7.0	O
removes	O
the	O
WebKit	B-Language
engine	O
and	O
greatly	O
simplifies	O
functionality	O
.	O
</s>
<s>
In	O
November	O
2014	O
,	O
QQ	B-Application
Browser	I-Application
released	O
the	O
official	O
version	O
of	O
8.0	O
.	O
</s>
<s>
The	O
new	O
version	O
redesigned	O
the	O
appearance	O
of	O
the	O
browser	B-Application
and	O
added	O
a	O
series	O
of	O
new	O
features	O
to	O
improve	O
the	O
smoothness	O
of	O
the	O
browser	B-Application
.	O
</s>
<s>
In	O
June	O
2015	O
,	O
QQ	B-Application
Browser	I-Application
9.0	O
was	O
released	O
.	O
</s>
<s>
Based	O
on	O
the	O
Chromium	B-Language
V43	O
engine	O
,	O
it	O
achieved	O
a	O
0.3	O
second	O
cold	O
boot	O
and	O
a	O
0.1	O
second	O
hot	O
boot	O
.	O
</s>
<s>
In	O
January	O
2016	O
,	O
QQ	B-Application
Browser	I-Application
9.3	O
was	O
released	O
,	O
and	O
the	O
engine	O
was	O
upgraded	O
to	O
Chromium	B-Language
V47	O
,	O
which	O
optimized	O
the	O
startup	O
speed	O
and	O
web	O
page	O
opening	O
speed	O
.	O
</s>
<s>
On	O
October	O
18	O
,	O
2017	O
,	O
QQ	B-Application
Browser	I-Application
9.6	O
was	O
released	O
and	O
the	O
engine	O
was	O
upgraded	O
to	O
Chromium	B-Language
V53	O
.	O
</s>
<s>
The	O
Windows	B-Application
and	O
Android	B-Application
versions	O
both	O
send	O
personal	O
data	O
to	O
Tencent	O
's	O
servers	O
without	O
any	O
encryption	O
or	O
with	O
encryption	O
that	O
can	O
be	O
easily	O
decrypted	O
.	O
</s>
<s>
On	O
May	O
30	O
,	O
2011	O
,	O
some	O
netizens	O
found	O
that	O
Tencent	O
appeared	O
in	O
the	O
picture	O
on	O
the	O
“	O
Tencent	O
Soft-{}-piece	O
Center	O
”	O
QQ	B-Application
Browser	I-Application
introduction	O
page	O
.	O
</s>
<s>
In	O
2011	O
,	O
the	O
words	O
"	O
freedom	O
of	O
personal	O
freedom	O
"	O
and	O
"	O
64	O
"	O
were	O
used	O
,	O
and	O
the	O
words	O
"	O
released	O
"	O
in	O
the	O
introductory	O
text	O
of	O
the	O
browser	B-Application
were	O
also	O
bolded	O
.	O
</s>
