<s>
DuckDuckGo	B-Application
(	O
DDG	O
)	O
is	O
an	O
internet	B-Application
search	I-Application
engine	I-Application
that	O
emphasizes	O
protecting	O
searchers	O
 '	O
privacy	O
and	O
used	O
to	O
avoid	O
the	B-Algorithm
filter	I-Algorithm
bubble	I-Algorithm
of	O
personalized	B-Application
search	I-Application
results	O
.	O
</s>
<s>
DuckDuckGo	B-Application
does	O
not	O
show	O
search	B-Application
results	I-Application
from	O
content	O
farms	O
.	O
</s>
<s>
It	O
uses	O
various	O
APIs	B-Application
of	O
other	O
websites	O
to	O
show	O
quick	O
results	O
to	O
queries	O
and	O
for	O
traditional	O
links	O
it	O
uses	O
the	O
help	O
of	O
its	O
partners	O
(	O
mainly	O
Bing	B-Application
)	O
and	O
its	O
own	O
crawler	B-Application
.	O
</s>
<s>
Because	O
of	O
its	O
anonymity	O
,	O
it	O
is	O
impossible	O
to	O
know	O
how	O
many	O
people	O
use	O
DuckDuckGo	B-Application
.	O
</s>
<s>
DuckDuckGo	B-Application
was	O
founded	O
by	O
Gabriel	B-Application
Weinberg	I-Application
and	O
launched	O
on	O
February	O
29	O
,	O
2008	O
,	O
in	O
Valley	O
Forge	O
,	O
Pennsylvania	O
.	O
</s>
<s>
Union	O
Square	O
partner	O
Brad	O
Burnham	O
stated	O
,	O
"	O
We	O
invested	O
in	O
DuckDuckGo	B-Application
because	O
we	O
became	O
convinced	O
that	O
it	O
was	O
not	O
only	O
possible	O
to	O
change	O
the	O
basis	O
of	O
competition	O
in	O
search	O
,	O
it	O
was	O
time	O
to	O
do	O
it.	O
"	O
</s>
<s>
In	O
addition	O
,	O
Trisquel	B-Application
,	O
Linux	B-Application
Mint	I-Application
,	O
and	O
the	O
Midori	B-Protocol
web	I-Protocol
browser	I-Protocol
switched	O
to	O
use	O
DuckDuckGo	B-Application
as	O
their	O
default	O
search	B-Application
engine	I-Application
.	O
</s>
<s>
DuckDuckGo	B-Application
gains	O
revenue	O
via	O
advertisements	O
and	O
affiliate	O
programs	O
.	O
</s>
<s>
The	O
search	B-Application
engine	I-Application
is	O
written	O
in	O
Perl	B-Language
and	O
runs	O
on	O
nginx	B-Operating_System
,	O
FreeBSD	B-Operating_System
,	O
and	O
Linux	B-Application
.	O
</s>
<s>
DuckDuckGo	B-Application
is	O
built	O
primarily	O
upon	O
search	O
APIs	B-Application
from	O
various	O
vendors	O
.	O
</s>
<s>
Because	O
of	O
this	O
,	O
TechCrunch	O
characterized	O
the	O
service	O
as	O
a	O
"	O
hybrid	O
"	O
search	B-Application
engine	I-Application
.	O
</s>
<s>
DuckDuckGo	B-Application
was	O
featured	O
on	O
TechCrunch	O
's	O
Elevator	O
Pitch	O
Friday	O
in	O
2008	O
,	O
and	O
it	O
was	O
a	O
finalist	O
in	O
the	O
2008	O
BOSS	O
Mashable	O
Challenge	O
.	O
</s>
<s>
In	O
2010	O
,	O
DuckDuckGo	B-Application
began	O
using	O
privacy	O
to	O
differentiate	O
itself	O
from	O
its	O
competitors	O
.	O
</s>
<s>
In	O
July	O
2010	O
,	O
Weinberg	O
started	O
a	O
DuckDuckGo	B-Application
community	O
website	O
(	O
duck.co	O
)	O
to	O
allow	O
the	O
public	O
to	O
report	O
problems	O
,	O
discuss	O
means	O
of	O
spreading	O
the	O
use	O
of	O
the	O
search	B-Application
engine	I-Application
,	O
request	O
features	O
,	O
and	O
discuss	O
open	O
sourcing	O
the	O
code	O
.	O
</s>
<s>
The	O
company	O
registered	O
the	O
domain	O
name	O
ddg.gg	O
on	O
February	O
22	O
,	O
2011	O
,	O
and	O
acquired	O
duck.com	B-Application
in	O
December	O
2018	O
,	O
which	O
are	O
used	O
as	O
shortened	O
URL	O
aliases	O
that	O
redirect	O
to	O
duckduckgo.com	B-Application
.	O
</s>
<s>
By	O
May	O
2012	O
,	O
the	O
search	B-Application
engine	I-Application
was	O
attracting	O
1.5million	O
searches	O
a	O
day	O
.	O
</s>
<s>
DuckDuckGo	B-Application
's	O
own	O
traffic	O
statistics	O
show	O
that	O
in	O
August	O
2012	O
there	O
were	O
1,393,644	O
visits	O
per	O
day	O
,	O
up	O
from	O
an	O
average	O
of	O
39,406	O
visits	O
per	O
day	O
in	O
April	O
2010	O
(	O
the	O
earliest	O
data	O
available	O
)	O
.	O
</s>
<s>
In	O
a	O
lengthy	O
profile	O
in	O
November	O
2012	O
,	O
The	O
Washington	O
Post	O
indicated	O
that	O
searches	O
on	O
DuckDuckGo	B-Application
numbered	O
up	O
to	O
45,000,000	O
per	O
month	O
in	O
October	O
2012	O
.	O
</s>
<s>
He	O
can	O
do	O
almost	O
everything	O
that	O
Google	B-Application
or	O
Bing	B-Application
ca	O
n't	O
because	O
it	O
could	O
damage	O
their	O
business	O
models	O
,	O
and	O
if	O
users	O
figure	O
out	O
that	O
they	O
like	O
the	O
DuckDuckGo	B-Application
way	O
better	O
,	O
Weinberg	O
could	O
damage	O
the	O
big	O
boys	O
without	O
even	O
really	O
trying	O
.	O
</s>
<s>
It	O
's	O
asymmetrical	O
digital	O
warfare	O
,	O
and	O
his	O
backers	O
at	O
Union	O
Square	O
Ventures	O
say	O
Google	B-Application
is	O
vulnerable.	O
"	O
</s>
<s>
GNOME	B-Application
released	O
Web	B-Language
3.10	O
on	O
September	O
26	O
,	O
2013	O
,	O
and	O
starting	O
with	O
this	O
version	O
,	O
the	O
default	O
search	B-Application
engine	I-Application
is	O
DuckDuckGo	B-Application
.	O
</s>
<s>
At	O
its	O
keynote	O
speech	O
at	O
WWDC	O
2014	O
on	O
September	O
18	O
,	O
2014	O
,	O
Apple	O
announced	O
that	O
DuckDuckGo	B-Application
would	O
be	O
included	O
as	O
an	O
option	O
for	O
search	O
on	O
both	O
iOS	B-Operating_System
8	I-Operating_System
and	O
OS	B-Device
X	I-Device
Yosemite	I-Device
in	O
its	O
Safari	B-Application
browser	I-Application
.	O
</s>
<s>
On	O
March	O
10	O
,	O
the	O
Pale	B-Protocol
Moon	I-Protocol
web	B-Application
browser	I-Application
,	O
starting	O
with	O
version	O
24.4.0	O
,	O
included	O
DuckDuckGo	B-Application
as	O
its	O
default	O
search	B-Application
engine	I-Application
,	O
as	O
well	O
as	O
listed	O
it	O
on	O
the	O
browser	B-Application
's	O
homepage	O
.	O
</s>
<s>
In	O
May	O
2014	O
,	O
DuckDuckGo	B-Application
released	O
a	O
redesigned	O
version	O
to	O
beta	O
testers	O
through	O
DuckDuckHack	O
.	O
</s>
<s>
On	O
May	O
21	O
,	O
2014	O
,	O
DuckDuckGo	B-Application
officially	O
released	O
the	O
redesigned	O
version	O
that	O
focused	O
on	O
smarter	O
answers	O
and	O
a	O
more	O
refined	O
look	O
.	O
</s>
<s>
The	O
new	O
version	O
added	O
many	O
new	O
features	O
such	O
as	O
images	O
,	O
local	B-Application
search	I-Application
,	O
auto-suggest	O
,	O
weather	O
,	O
recipes	O
,	O
and	O
more	O
.	O
</s>
<s>
On	O
November	O
10	O
,	O
2014	O
,	O
Mozilla	B-Operating_System
added	O
DuckDuckGo	B-Application
as	O
a	O
search	O
option	O
to	O
Firefox	O
33.1	O
.	O
</s>
<s>
On	O
May	O
30	O
,	O
2016	O
,	O
The	O
Tor	B-Application
Project	I-Application
,	O
Inc	O
made	O
DuckDuckGo	B-Application
the	O
default	O
search	B-Application
engine	I-Application
for	O
Tor	B-Application
Browser	B-Application
6.0	O
.	O
</s>
<s>
In	O
July	O
2016	O
,	O
DuckDuckGo	B-Application
officially	O
announced	O
the	O
extension	O
of	O
its	O
partnership	O
with	O
Yahoo	B-Application
!	I-Application
</s>
<s>
that	O
brought	O
new	O
features	O
to	O
all	O
users	O
of	O
the	O
search	B-Application
engine	I-Application
,	O
including	O
date	O
filtering	O
of	O
results	O
and	O
additional	O
site	O
links	O
.	O
</s>
<s>
It	O
also	O
partners	O
with	O
Bing	B-Application
,	O
Yandex	B-Application
,	O
and	O
Wikipedia	O
to	O
produce	O
results	O
or	O
make	O
use	O
of	O
features	O
offered	O
.	O
</s>
<s>
On	O
January	O
23	O
,	O
2018	O
,	O
DuckDuckGo	B-Application
revamped	O
its	O
browser	B-Application
extension	O
and	O
mobile	O
app	O
in	O
an	O
effort	O
to	O
keep	O
Internet	O
users	O
safe	O
"	O
beyond	O
the	O
search	O
box	O
"	O
.	O
</s>
<s>
In	O
December	O
2018	O
,	O
it	O
was	O
reported	O
that	O
Google	B-Application
transferred	O
ownership	O
of	O
the	O
domain	O
name	O
Duck.com	B-Application
to	O
DuckDuckGo	B-Application
.	O
</s>
<s>
It	O
is	O
not	O
known	O
what	O
price	O
,	O
if	O
any	O
,	O
DuckDuckGo	B-Application
paid	O
for	O
the	O
domain	O
name	O
.	O
</s>
<s>
On	O
January	O
15	O
,	O
2019	O
,	O
DuckDuckGo	B-Application
announced	O
that	O
all	O
map	O
and	O
address-related	O
searches	O
would	O
be	O
powered	O
by	O
Apple	B-Application
Maps	I-Application
,	O
both	O
on	O
desktop	B-Device
and	O
mobile	B-Application
devices	I-Application
.	O
</s>
<s>
In	O
March	O
2019	O
,	O
Google	B-Application
added	O
DuckDuckGo	B-Application
to	O
the	O
default	O
search	B-Application
engine	I-Application
list	I-Application
in	O
Chrome	B-Application
73	O
.	O
</s>
<s>
In	O
July	O
2021	O
,	O
DuckDuckGo	B-Application
introduced	O
its	O
email	O
forwarding	O
feature	O
Email	O
Protection	O
,	O
which	O
lets	O
users	O
claim	O
an	O
"	O
@duck	O
.com	O
"	O
email	O
address	O
generated	O
by	O
the	O
service	O
.	O
</s>
<s>
The	O
feature	O
launched	O
in	O
beta	O
for	O
users	O
of	O
the	O
DuckDuckGo	B-Application
iOS	O
and	O
Android	O
apps	O
.	O
</s>
<s>
On	O
March	O
1	O
,	O
2022	O
,	O
in	O
response	O
to	O
the	O
2022	O
Russian	O
invasion	O
of	O
Ukraine	O
,	O
DuckDuckGo	B-Application
paused	O
its	O
partnership	O
with	O
Yandex	B-Application
Search	I-Application
.	O
</s>
<s>
On	O
March	O
9	O
,	O
2022	O
,	O
Weinberg	O
said	O
in	O
a	O
tweet	O
that	O
DuckDuckGo	B-Application
will	O
down-rank	O
sites	O
associated	O
with	O
Russian	O
disinformation	O
,	O
a	O
move	O
which	O
some	O
users	O
criticized	O
as	O
censorship	O
and	O
a	O
violation	O
of	O
the	O
search	B-Application
engine	I-Application
's	O
commitment	O
to	O
"	O
unbiased	O
search.	O
"	O
</s>
<s>
DuckDuckGo	B-Application
has	O
defended	O
itself	O
from	O
the	O
criticism	O
,	O
saying	O
that	O
"	O
The	O
primary	O
utility	O
of	O
a	O
search	B-Application
engine	I-Application
is	O
to	O
provide	O
access	O
to	O
accurate	O
information	O
.	O
</s>
<s>
In	O
April	O
2022	O
,	O
TorrentFreak	O
reported	O
that	O
DuckDuckGo	B-Application
had	O
blocked	O
search	B-Application
results	I-Application
for	O
some	O
major	O
pirating	O
websites	O
,	O
including	O
The	B-Application
Pirate	I-Application
Bay	I-Application
,	O
1337x	O
and	O
FMovies	O
,	O
as	O
well	O
as	O
video	O
downloading	O
software	O
Youtube-dl	B-Protocol
.	O
</s>
<s>
In	O
a	O
statement	O
to	O
Engadget	B-Application
,	O
DuckDuckGo	B-Application
said	O
that	O
The	B-Application
Pirate	I-Application
Bay	I-Application
and	O
Youtube-dl	B-Protocol
were	O
never	O
removed	O
from	O
its	O
search	B-Application
results	I-Application
if	O
the	O
user	O
searched	O
for	O
those	O
websites	O
using	O
their	O
name	O
or	O
web	B-Language
address	O
.	O
</s>
<s>
DuckDuckGo	B-Application
also	O
said	O
that	O
there	O
were	O
problems	O
with	O
"	O
site	O
:	O
"	O
search	O
queries	O
used	O
for	O
these	O
websites	O
and	O
other	O
searches	O
and	O
said	O
that	O
the	O
problem	O
had	O
been	O
fixed	O
.	O
</s>
<s>
Also	O
in	O
April	O
,	O
DuckDuckGo	B-Application
said	O
that	O
they	O
would	O
protect	O
users	O
from	O
being	O
tracked	O
by	O
Google	B-Application
's	I-Application
Accelerated	B-General_Concept
Mobile	I-General_Concept
Pages	I-General_Concept
framework	I-General_Concept
,	O
stating	O
:	O
"	O
When	O
you	O
load	O
or	O
share	O
a	O
Google	B-General_Concept
AMP	I-General_Concept
page	O
anywhere	O
from	O
DuckDuckGo	B-Application
apps	O
(	O
iOS/Android/Mac	O
)	O
or	O
extensions	O
(	O
Firefox/Chrome	O
)	O
,	O
the	O
original	O
publisher	O
's	O
webpage	O
will	O
be	O
used	O
in	O
place	O
of	O
the	B-Application
Google	I-Application
AMP	I-General_Concept
version	O
"	O
.	O
</s>
<s>
In	O
May	O
2022	O
,	O
a	O
report	O
from	O
Bleeping	O
Computer	O
by	O
security	O
researcher	O
Zach	O
Edwards	O
found	O
that	O
DuckDuckGo	B-Application
's	O
web	B-Application
browser	I-Application
allowed	O
Microsoft	O
's	O
trackers	O
to	O
continue	O
running	O
while	O
visiting	O
non-DuckDuckGo	O
websites	O
,	O
contrary	O
to	O
Google	B-Application
and	O
Facebook	O
trackers	O
,	O
which	O
were	O
blocked	O
.	O
</s>
<s>
In	O
response	O
,	O
Weinberg	O
said	O
that	O
"	O
this	O
issue	O
is	O
occurring	O
on	O
browsers	B-Application
and	O
only	O
pertains	O
to	O
non-DuckDuckGo	O
websites	O
.	O
</s>
<s>
"	O
,	O
adding	O
that	O
"	O
When	O
you	O
load	O
our	O
search	B-Application
results	I-Application
,	O
you	O
are	O
completely	O
anonymous	O
,	O
including	O
ads	O
"	O
,	O
and	O
that	O
"	O
Unfortunately	O
our	O
Microsoft	B-Application
search	I-Application
syndication	O
agreement	O
prevent	O
us	O
from	O
doing	O
more	O
to	O
Microsoft-owned	O
properties	O
.	O
</s>
<s>
"	O
,	O
adding	O
that	O
"	O
What	O
we	O
're	O
talking	O
about	O
here	O
is	O
an	O
above-and-beyond	O
protection	O
that	O
most	O
browsers	B-Application
do	O
n't	O
even	O
attempt	O
to	O
do	O
—	O
that	O
is	O
,	O
blocking	O
third-party	O
tracking	O
scripts	O
before	O
they	O
load	O
on	O
3rd	O
party	O
websites	O
.	O
</s>
<s>
Because	O
we	O
're	O
doing	O
this	O
where	O
we	O
can	O
,	O
users	O
are	O
still	O
getting	O
significantly	O
more	O
privacy	O
protection	O
with	O
DuckDuckGo	B-Application
than	O
they	O
would	O
using	O
Safari	B-Application
,	O
Firefox	O
and	O
other	O
browsers.	O
"	O
</s>
<s>
In	O
September	O
2022	O
,	O
Debian	O
package	O
maintainers	O
switched	O
the	O
default	O
search	B-Application
engine	I-Application
in	O
Chromium	B-Language
to	O
DuckDuckGo	B-Application
for	O
privacy	O
reasons	O
.	O
</s>
<s>
DuckDuckGo	B-Application
's	O
results	O
are	O
a	O
compilation	O
of	O
"	O
over	O
400	O
"	O
sources	O
according	O
to	O
itself	O
,	O
including	O
Bing	B-Application
,	O
Yahoo	B-Application
!	I-Application
</s>
<s>
Search	O
BOSS	O
,	O
Wolfram	B-Application
Alpha	I-Application
,	O
Yandex	B-Application
,	O
and	O
its	O
own	O
web	B-Application
crawler	I-Application
(	O
the	O
DuckDuckBot	O
)	O
;	O
but	O
none	O
from	O
Google	B-Application
.	I-Application
</s>
<s>
It	O
also	O
uses	O
data	O
from	O
crowdsourced	O
sites	O
such	O
as	O
Wikipedia	O
,	O
to	O
populate	O
knowledge	O
panel	O
boxes	O
to	O
the	O
right	O
of	O
the	O
search	B-Application
results	I-Application
.	O
</s>
<s>
Weinberg	O
has	O
refined	O
the	O
quality	O
of	O
his	O
search	B-Application
engine	I-Application
results	O
by	O
deleting	O
search	B-Application
results	I-Application
for	O
companies	O
he	O
believes	O
are	O
content	O
mills	O
,	O
such	O
as	O
eHow	O
,	O
which	O
publishes	O
4,000	O
articles	O
per	O
day	O
produced	O
by	O
paid	O
freelance	O
writers	O
,	O
which	O
Weinberg	O
states	O
to	O
be	O
"	O
low-quality	O
content	O
designed	O
specifically	O
to	O
rank	O
highly	O
in	O
Google	B-Application
's	I-Application
search	O
index	O
"	O
.	O
</s>
<s>
DuckDuckGo	B-Application
also	O
filters	O
pages	O
with	O
substantial	O
advertising	O
.	O
</s>
<s>
In	O
addition	O
to	O
the	O
indexed	O
search	B-Application
results	I-Application
,	O
DuckDuckGo	B-Application
displays	O
relevant	O
results	O
,	O
called	O
instant	B-Application
answers	I-Application
,	O
on	O
top	O
of	O
the	O
search	O
page	O
.	O
</s>
<s>
These	O
Instant	B-Application
Answers	I-Application
are	O
collected	O
from	O
either	O
third	O
party	O
APIs	B-Application
or	O
static	O
data	O
sources	O
like	O
text	O
files	O
.	O
</s>
<s>
The	O
Instant	B-Application
Answers	I-Application
are	O
called	O
zeroclickinfo	O
because	O
the	O
intention	O
behind	O
these	O
is	O
to	O
provide	O
what	O
users	O
are	O
searching	O
for	O
on	O
the	O
search	O
result	O
page	O
itself	O
so	O
that	O
they	O
do	O
not	O
have	O
to	O
click	O
any	O
results	O
to	O
find	O
what	O
they	O
are	O
looking	O
for	O
.	O
</s>
<s>
Instant	B-Application
answers	I-Application
are	O
created	O
by	O
and	O
maintained	O
by	O
a	O
community	O
of	O
over	O
1,500	O
open	O
source	O
contributors	O
.	O
</s>
<s>
,	O
there	O
were	O
1236	O
Instant	B-Application
Answers	I-Application
active	O
.	O
</s>
<s>
In	O
the	O
DuckDuckHack	O
documentation	O
,	O
four	O
types	O
of	O
Instant	B-Application
Answers	I-Application
are	O
described	O
:	O
Goodies	O
,	O
Spices	O
,	O
Fatheads	O
,	O
and	O
Longtails	O
.	O
</s>
<s>
These	O
types	O
of	O
Instant	B-Application
Answer	I-Application
extensions	O
are	O
differentiated	O
by	O
how	O
their	O
data	O
is	O
retrieved	O
.	O
</s>
<s>
Goodies	O
do	O
not	O
retrieve	O
data	O
from	O
a	O
third	O
party	O
API	B-Application
,	O
whereas	O
Spices	O
do	O
.	O
</s>
<s>
Goodies	O
instead	O
use	O
some	O
form	O
of	O
the	O
aforementioned	O
static	O
data	O
sources	O
,	O
such	O
as	O
text	O
files	O
or	O
JSON	B-General_Concept
files	O
.	O
</s>
<s>
Fathead	O
Instant	B-Application
Answers	I-Application
are	O
key-value	O
answers	O
hosted	O
on	O
DuckDuckGo	B-Application
's	O
backend	O
.	O
</s>
<s>
Fathead	O
key-value	O
pairs	O
function	O
similarly	O
to	O
a	O
trigger	O
for	O
showing	O
the	O
respective	O
Instant	B-Application
Answer	I-Application
.	O
</s>
<s>
Longtail	O
Instant	B-Application
Answers	I-Application
are	O
full	O
text	O
queries	O
to	O
a	O
DuckDuckGo	B-Application
database	O
of	O
articles	O
.	O
</s>
<s>
In	O
March	O
2023	O
,	O
DuckDuckGo	B-Application
added	O
DuckAssist	O
to	O
Instant	B-Application
Answers	I-Application
.	O
</s>
<s>
In	O
August	O
2010	O
,	O
DuckDuckGo	B-Application
introduced	O
anonymous	O
searching	O
,	O
including	O
an	O
exit	O
enclave	O
,	O
for	O
its	O
search	B-Application
engine	I-Application
traffic	O
using	O
Tor	B-Application
network	I-Application
and	O
enabling	O
access	O
through	O
a	O
"	O
Tor	B-Application
hidden	O
service	O
"	O
(	O
onion	O
service	O
)	O
.	O
</s>
<s>
(	O
deprecated	O
)	O
was	O
the	O
DuckDuckGo	B-Application
v2	O
onion	O
service	O
on	O
Tor	B-Application
.	O
</s>
<s>
Using	O
Tor	B-Application
and	O
DDG	O
,	O
you	O
can	O
now	O
be	O
end	O
to	O
end	O
anonymous	O
with	O
your	O
searching	O
.	O
</s>
<s>
In	O
July	O
2021	O
,	O
DuckDuckGo	B-Application
introduced	O
a	O
new	O
v3	O
onion	O
service	O
,	O
with	O
a	O
new	O
link	O
:	O
.	O
</s>
<s>
DuckDuckGo	B-Application
includes	O
"	O
!	O
Bang	O
"	O
keywords	O
,	O
which	O
give	O
users	O
the	O
ability	O
to	O
search	O
on	O
specific	O
third-party	O
websites	O
–	O
using	O
the	O
site	O
's	O
own	O
search	B-Application
engine	I-Application
if	O
applicable	O
.	O
</s>
<s>
DuckDuckGo	B-Application
earns	O
revenue	O
by	O
serving	O
ads	O
from	O
the	O
Yahoo-Bing	O
search	O
alliance	O
network	O
and	O
through	O
affiliate	O
relationships	O
with	O
Amazon	O
and	O
eBay	O
.	O
</s>
<s>
As	O
a	O
privacy-focused	O
search	B-Application
engine	I-Application
,	O
the	O
ads	O
served	O
on	O
DuckDuckGo	B-Application
are	O
based	O
on	O
keywords	O
and	O
terms	O
of	O
the	O
search	O
query	O
.	O
</s>
<s>
Some	O
of	O
DuckDuckGo	B-Application
's	O
source	O
code	O
is	O
free	B-Application
software	I-Application
hosted	O
at	O
GitHub	B-Application
under	O
the	O
Apache	B-Application
2.0	I-Application
License	I-Application
,	O
but	O
the	O
core	O
is	O
proprietary	B-Application
.	O
</s>
<s>
DuckDuckGo	B-Application
also	O
hosts	O
DuckDuckHack	O
,	O
a	O
sister	O
site	O
for	O
organizing	O
open	O
source	O
contributions	O
and	O
community	O
projects	O
.	O
</s>
<s>
The	O
search	B-Application
engine	I-Application
's	O
Instant	B-Application
Answers	I-Application
are	O
open	O
source	O
and	O
are	O
maintained	O
on	O
GitHub	B-Application
,	O
where	O
anyone	O
can	O
view	O
the	O
source	O
code	O
.	O
</s>
<s>
In	O
a	O
June	O
2011	O
article	O
,	O
Harry	O
McCracken	O
of	O
Time	O
commended	O
DuckDuckGo	B-Application
,	O
comparing	O
it	O
to	O
his	O
favorite	O
hamburger	O
restaurant	O
,	O
In-N-Out	O
Burger	O
:	O
</s>
<s>
The	O
bare-bones	O
approach	O
cited	O
in	O
his	O
quote	O
has	O
since	O
changed	O
;	O
for	O
instance	O
,	O
DuckDuckGo	B-Application
now	O
has	O
auto-completion	O
,	O
instant	O
results	O
,	O
and	O
a	O
news	O
tab	O
.	O
</s>
<s>
Thom	O
Holwerda	O
,	O
who	O
reviewed	O
the	O
search	B-Application
engine	I-Application
for	O
OSNews	O
,	O
praised	O
its	O
privacy	O
features	O
and	O
shortcuts	O
to	O
site-specific	O
searches	O
as	O
well	O
as	O
criticizing	O
Google	B-Application
for	O
"track[ing]	O
pretty	O
much	O
everything	O
you	O
do	O
"	O
,	O
particularly	O
because	O
of	O
the	O
risk	O
of	O
such	O
information	O
being	O
subject	O
to	O
a	O
U.S.	O
government	O
subpoena	O
.	O
</s>
<s>
In	O
2012	O
,	O
in	O
response	O
to	O
accusations	O
that	O
it	O
was	O
a	O
monopoly	O
,	O
Google	B-Application
identified	O
DuckDuckGo	B-Application
as	O
a	O
competitor	O
.	O
</s>
<s>
In	O
November	O
2019	O
,	O
Twitter	B-Application
CEO	O
Jack	O
Dorsey	O
revealed	O
his	O
preference	O
for	O
using	O
the	O
DuckDuckGo	B-Application
search	B-Application
engine	I-Application
rather	O
than	O
Google	B-Application
,	O
stating	O
,	O
"	O
I	O
love	O
@DuckDuckGo	B-Application
.	O
</s>
<s>
My	O
default	O
search	B-Application
engine	I-Application
for	O
a	O
while	O
now	O
.	O
</s>
<s>
Conservative	O
political	O
commentators	O
Ben	O
Shapiro	O
and	O
Dan	O
Bongino	O
have	O
also	O
endorsed	O
DuckDuckGo	B-Application
.	O
</s>
<s>
In	O
June	O
2013	O
,	O
DuckDuckGo	B-Application
indicated	O
that	O
it	O
had	O
seen	O
a	O
significant	O
traffic	O
increase	O
;	O
according	O
to	O
the	O
company	O
's	O
Twitter	B-Application
account	I-Application
,	O
on	O
Monday	O
,	O
June	O
17	O
,	O
2013	O
,	O
it	O
had	O
three	O
million	O
daily	O
direct	O
searches	O
.	O
</s>
<s>
Danny	O
Sullivan	O
wrote	O
on	O
Search	B-Application
Engine	I-Application
Land	O
that	O
despite	O
the	O
search	B-Application
engine	I-Application
's	O
growth	O
"	O
it	O
's	O
not	O
grown	O
anywhere	O
near	O
the	O
amount	O
to	O
reflect	O
any	O
substantial	O
or	O
even	O
mildly	O
notable	O
switching	O
by	O
the	O
searching	O
public	O
"	O
for	O
reasons	O
due	O
to	O
privacy	O
,	O
and	O
he	O
concluded	O
"	O
No	O
One	O
Cares	O
About	O
"	O
Private	O
"	O
Search	O
"	O
.	O
</s>
<s>
In	O
response	O
,	O
Caleb	O
Garling	O
of	O
the	O
San	O
Francisco	O
Chronicle	O
argued	O
:	O
"	O
I	O
think	O
this	O
thesis	O
suffers	O
from	O
a	O
few	O
key	O
failures	O
in	O
logic	O
"	O
because	O
a	O
traffic	O
increase	O
had	O
occurred	O
and	O
because	O
there	O
was	O
a	O
lack	O
of	O
widespread	O
awareness	O
of	O
the	O
existence	O
of	O
DuckDuckGo	B-Application
.	O
</s>
<s>
Later	O
in	O
September	O
2013	O
,	O
the	O
search	B-Application
engine	I-Application
hit	O
4	O
million	O
searches	O
per	O
day	O
and	O
in	O
June	O
2015	O
,	O
it	O
hit	O
10	O
million	O
searches	O
per	O
day	O
.	O
</s>
<s>
In	O
November	O
2017	O
,	O
DuckDuckGo	B-Application
hit	O
20	O
million	O
searches	O
per	O
day	O
.	O
</s>
<s>
In	O
January	O
2019	O
,	O
DuckDuckGo	B-Application
set	O
a	O
record	O
of	O
1	O
billion	O
monthly	O
searches	O
;	O
and	O
in	O
November	O
of	O
the	O
same	O
year	O
,	O
it	O
hit	O
50	O
million	O
searches	O
per	O
day	O
.	O
</s>
<s>
,	O
DuckDuckGo	B-Application
was	O
receiving	O
102,704,358	O
queries	O
per	O
day	O
on	O
average	O
.	O
</s>
<s>
During	O
the	O
year	O
of	O
2022	O
,	O
DuckDuckGo	B-Application
experienced	O
stagnation	O
and	O
slight	O
downfall	O
when	O
it	O
comes	O
to	O
the	O
number	O
of	O
searches	O
per	O
month	O
.	O
</s>
<s>
Internal	O
surveys	O
by	O
DuckDuckGo	B-Application
found	O
that	O
users	O
of	O
DuckDuckGo	B-Application
had	O
a	O
wide	O
variety	O
of	O
political	O
leanings	O
.	O
</s>
<s>
DuckDuckGo	B-Application
Private	O
Browser	B-Application
is	O
a	O
privacy-oriented	O
web	B-Application
browser	I-Application
available	O
for	O
iOS	O
and	O
Android	O
;	O
it	O
uses	O
WebView	O
(	O
Blink	B-Language
)	O
on	O
Android	O
and	O
WebKit	B-Language
on	O
iOS	O
.	O
</s>
<s>
DuckDuckGo	B-Application
Private	O
Browser	B-Application
automatically	O
blocks	O
web	B-Language
trackers	O
and	O
upgrades	O
insecure	O
HTTP	O
connections	O
to	O
HTTPS	O
.	O
</s>
<s>
DuckDuckGo	B-Application
Private	O
Browser	B-Application
is	O
licensed	O
under	O
the	O
Apache	B-Application
2.0	I-Application
license	I-Application
.	O
</s>
<s>
In	O
April	O
2022	O
,	O
DuckDuckGo	B-Application
released	O
DuckDuckGo	B-Application
for	O
Mac	O
to	O
beta	O
,	O
a	O
privacy-oriented	O
desktop	B-Device
browser	B-Application
which	O
automatically	O
blocks	O
both	O
web	B-Language
trackers	O
and	O
cookie	O
consent	O
pop-ups	O
.	O
</s>
<s>
DuckDuckGo	B-Application
chose	O
to	O
use	O
the	O
WebKit	B-Language
rendering	O
engine	O
that	O
underpins	O
Apple	B-Application
's	I-Application
Safari	I-Application
browser	B-Application
rather	O
than	O
the	O
fork	O
of	O
it	O
called	O
Blink	B-Language
used	O
by	O
Chromium	B-Language
,	O
Opera	B-Application
and	O
Brave	B-Application
.	O
</s>
<s>
So	O
beyond	O
rendering	O
,	O
all	O
the	O
code	O
is	O
ours	O
–	O
written	O
by	O
DuckDuckGo	B-Application
engineers	O
with	O
privacy	O
,	O
security	O
,	O
and	O
simplicity	O
front	O
of	O
mind	O
.	O
</s>
<s>
This	O
means	O
we	O
do	O
n't	O
have	O
the	O
cruft	O
and	O
clutter	O
that	O
has	O
accumulated	O
in	O
browsers	B-Application
over	O
the	O
years	O
,	O
both	O
in	O
code	O
and	O
design	O
,	O
giving	O
you	O
a	O
modern	O
look	O
and	O
feel	O
and	O
a	O
faster	O
speed.	O
"	O
</s>
