<s>
Decentraleyes	B-Operating_System
is	O
a	O
free	O
and	O
open-source	O
browser	O
extension	O
used	O
for	O
local	O
content	B-Operating_System
delivery	I-Operating_System
network	I-Operating_System
(	O
CDN	O
)	O
emulation	O
.	O
</s>
<s>
Its	O
primary	O
task	O
is	O
to	O
block	O
connections	O
to	O
major	O
CDNs	O
such	O
as	O
Cloudflare	B-Application
and	O
Google	B-Application
(	O
for	O
privacy	O
and	O
anti-tracking	O
purposes	O
)	O
and	O
serve	O
popular	O
web	B-Library
libraries	I-Library
(	O
such	O
as	O
JQuery	B-Language
and	O
AngularJS	B-Application
)	O
locally	O
on	O
the	O
user	O
's	O
machine	O
.	O
</s>
<s>
Decentraleyes	B-Operating_System
is	O
available	O
for	O
Microsoft	B-Application
Edge	I-Application
,	O
Mozilla	B-Application
Firefox	I-Application
+	O
Firefox	B-Application
ESR	O
,	O
Google	B-Application
Chrome	I-Application
,	O
Pale	B-Protocol
Moon	I-Protocol
and	O
Opera	B-Application
web	I-Application
browsers	I-Application
.	O
</s>
<s>
Decentraleyes	B-Operating_System
is	O
bundled	O
with	O
14	O
Javascript	O
libraries	O
;	O
AngularJS	B-Application
,	O
Backbone.js	B-Language
,	O
Dojo	B-General_Concept
,	O
Ember.js	B-Language
,	O
Ext	B-Language
Core	I-Language
,	O
jQuery	B-Language
,	O
jQuery	B-Language
UI	I-Language
,	O
Modernizr	B-Language
,	O
MooTools	B-Language
,	O
Prototype	B-Language
(	O
including	O
script.aculo.us	B-Language
)	O
,	O
SWFObject	B-Operating_System
,	O
Underscore.js	B-Language
,	O
and	O
Web	O
Font	O
Loader	O
.	O
</s>
<s>
It	O
can	O
locally	O
redirect	O
connections	O
to	O
the	B-Application
Google	I-Application
Hosted	O
Libraries	O
,	O
Microsoft	O
Ajax	O
CDN	O
,	O
CDNJS	O
(	O
Cloudflare	B-Application
)	O
,	O
jQuery	B-Language
CDN	O
(	O
MaxCDN	O
)	O
,	O
jsDelivr	O
(	O
MaxCDN	O
)	O
,	O
Yandex	O
CDN	O
,	O
Baidu	O
CDN	O
,	O
Sina	O
Public	O
Resources	O
,	O
and	O
UpYun	O
Libraries	O
networks	O
.	O
</s>
<s>
Lifehacker	O
has	O
recommended	O
Decentraleyes	B-Operating_System
as	O
a	O
solution	O
to	O
help	O
prevent	O
the	O
user	O
's	O
data	O
from	O
being	O
tracked	O
by	O
Google	B-Application
.	I-Application
</s>
<s>
CloudPro	O
,	O
a	O
UK-based	O
cloud	B-Architecture
computing	I-Architecture
publication	O
,	O
endorsed	O
Decentraleyes	B-Operating_System
as	O
a	O
way	O
of	O
blocking	O
malicious	O
man-in-the-middle	O
CDN	O
attacks	O
.	O
</s>
<s>
Decentraleyes	B-Operating_System
was	O
first	O
released	O
in	O
late	O
2015	O
,	O
compatible	O
with	O
the	O
Firefox	B-Application
browser	I-Application
.	O
</s>
<s>
It	O
brought	O
the	O
functionality	O
of	O
Decentraleyes	B-Operating_System
to	O
Chromium	B-Language
based	O
browsers	O
,	O
for	O
which	O
it	O
was	O
not	O
available	O
at	O
the	O
time	O
(	O
until	O
later	O
that	O
year	O
)	O
.	O
</s>
<s>
In	O
October	O
2017	O
,	O
Decentraleyes	B-Operating_System
2.0.0	O
was	O
released	O
.	O
</s>
<s>
The	O
new	O
version	O
was	O
rewritten	O
from	O
scratch	O
to	O
comply	O
with	O
the	O
new	O
Firefox	B-Application
browser	I-Application
add-on	O
standards	O
and	O
had	O
a	O
more	O
consistent	O
user	O
interface	O
and	O
better	O
support	O
for	O
right-to-left	O
languages	O
.	O
</s>
