<s>
WordPress	B-Application
(	O
WP	O
or	O
WordPress.org	B-Application
)	O
is	O
a	O
free	B-License
and	I-License
open-source	I-License
content	B-Protocol
management	I-Protocol
system	I-Protocol
(	O
CMS	O
)	O
written	O
in	O
hypertext	B-Application
preprocessor	I-Application
(	O
PHP	B-Application
)	O
language	O
and	O
paired	O
with	O
a	O
MySQL	B-Application
or	O
MariaDB	B-Application
database	O
with	O
supported	O
HTTPS	B-Protocol
.	O
</s>
<s>
Features	O
include	O
a	O
plugin	B-Application
architecture	I-Application
and	O
a	O
template	B-Language
system	I-Language
,	O
referred	O
to	O
within	O
WordPress	B-Application
as	O
"	O
Themes	B-Application
"	O
.	O
</s>
<s>
WordPress	B-Application
was	O
originally	O
created	O
as	O
a	O
blog-publishing	O
system	O
but	O
has	O
evolved	O
to	O
support	O
other	O
web	O
content	O
types	O
including	O
more	O
traditional	O
mailing	O
lists	O
and	O
Internet	B-Application
fora	I-Application
,	O
media	O
galleries	O
,	O
membership	O
sites	O
,	O
learning	B-Application
management	I-Application
systems	I-Application
(	O
LMS	O
)	O
and	O
online	B-Application
stores	I-Application
.	O
</s>
<s>
WordPress	B-Application
is	O
used	O
by	O
42.8	O
%	O
of	O
the	O
top	O
10	O
million	O
websites	O
.	O
</s>
<s>
WordPress	B-Application
was	O
released	O
on	O
May	O
27	O
,	O
2003	O
,	O
by	O
its	O
founders	O
,	O
American	O
developer	O
Matt	O
Mullenweg	O
and	O
English	O
developer	O
Mike	O
Little	O
,	O
as	O
a	O
fork	B-Application
of	O
b2/cafelog	B-Application
.	O
</s>
<s>
To	O
function	O
,	O
WordPress	B-Application
has	O
to	O
be	O
installed	O
on	O
a	O
web	B-Application
server	I-Application
,	O
either	O
part	O
of	O
an	O
Internet	O
hosting	O
service	O
like	O
WordPress.com	B-Protocol
or	O
a	O
computer	O
running	O
the	O
software	O
package	O
WordPress.org	B-Application
to	O
serve	O
as	O
a	O
network	B-Device
host	I-Device
in	O
its	O
own	O
right	O
.	O
</s>
<s>
A	O
local	B-Device
computer	I-Device
may	O
be	O
used	O
for	O
single-user	O
testing	O
and	O
learning	O
purposes	O
.	O
</s>
<s>
WordPress	B-Application
Foundation	O
owns	O
WordPress	B-Application
,	O
WordPress	B-Application
projects	O
,	O
and	O
other	O
related	O
trademarks	O
.	O
</s>
<s>
"	O
WordPress	B-Application
is	O
a	O
factory	O
that	O
makes	O
webpages	O
"	O
is	O
a	O
core	O
analogy	O
designed	O
to	O
clarify	O
the	O
functions	O
of	O
WordPress	B-Application
:	O
it	O
stores	O
content	O
and	O
enables	O
a	O
user	O
to	O
create	O
and	O
publish	O
webpages	O
,	O
requiring	O
nothing	O
beyond	O
a	O
domain	O
and	O
a	O
hosting	O
service	O
.	O
</s>
<s>
WordPress	B-Application
has	O
a	O
web	B-Application
template	I-Application
system	I-Application
using	O
a	O
template	B-Language
processor	I-Language
.	O
</s>
<s>
Its	O
architecture	O
is	O
a	O
front	O
controller	O
,	O
routing	O
all	O
requests	O
for	O
non-static	O
URIs	B-Protocol
to	O
a	O
single	O
PHP	B-Application
file	O
that	O
parses	O
the	O
URI	B-Protocol
and	O
identifies	O
the	O
target	O
page	O
.	O
</s>
<s>
WordPress	B-Application
users	O
may	O
install	O
and	O
switch	O
among	O
many	O
different	O
themes	B-Application
.	O
</s>
<s>
Themes	B-Application
allow	O
users	O
to	O
change	O
the	O
look	O
and	O
functionality	O
of	O
a	O
WordPress	B-Application
website	O
without	O
altering	O
the	O
core	O
code	O
or	O
site	O
content	O
.	O
</s>
<s>
Every	O
WordPress	B-Application
website	O
requires	O
at	O
least	O
one	O
theme	O
to	O
be	O
present	O
.	O
</s>
<s>
Themes	B-Application
may	O
be	O
directly	O
installed	O
using	O
the	O
WordPress	B-Application
"	O
Appearance	O
"	O
administration	O
tool	O
in	O
the	O
dashboard	O
,	O
or	O
theme	O
folders	O
may	O
be	O
copied	O
directly	O
into	O
the	O
themes	B-Application
directory	O
.	O
</s>
<s>
WordPress	B-Application
themes	B-Application
are	O
generally	O
classified	O
into	O
two	O
categories	O
:	O
free	O
and	O
premium	O
.	O
</s>
<s>
Many	O
free	O
themes	B-Application
are	O
listed	O
in	O
the	O
WordPress	B-Application
theme	O
directory	O
(	O
also	O
known	O
as	O
the	O
repository	B-General_Concept
)	O
,	O
and	O
premium	O
themes	B-Application
are	O
available	O
for	O
purchase	O
from	O
marketplaces	O
and	O
individual	O
WordPress	B-Application
developers	O
.	O
</s>
<s>
WordPress	B-Application
users	O
may	O
also	O
create	O
and	O
develop	O
their	O
own	O
custom	O
themes	B-Application
.	O
</s>
<s>
WordPress	B-Application
 '	O
plugin	B-Application
architecture	I-Application
allows	O
users	O
to	O
extend	O
or	O
depreciate	O
the	O
features	O
and	O
functionality	O
of	O
a	O
website	O
or	O
blog	O
.	O
</s>
<s>
,	O
WordPress.org	B-Application
has	O
59,756	O
plugins	B-Application
available	O
,	O
each	O
of	O
which	O
offers	O
custom	O
functions	O
and	O
features	O
enabling	O
users	O
to	O
tailor	O
their	O
sites	O
to	O
their	O
specific	O
needs	O
.	O
</s>
<s>
However	O
,	O
this	O
does	O
not	O
include	O
the	O
available	O
premium	O
plugins	B-Application
(	O
approximately	O
1,500	O
+	O
)	O
,	O
which	O
may	O
not	O
be	O
listed	O
in	O
the	O
WordPress.org	B-Application
repository	B-General_Concept
.	O
</s>
<s>
These	O
customizations	O
range	O
from	O
search	B-Application
engine	I-Application
optimization	O
(	O
SEO	O
)	O
to	O
client	B-Protocol
portals	I-Protocol
used	O
to	O
display	O
private	O
information	O
to	O
logged-in	O
users	O
,	O
to	O
content	B-Protocol
management	I-Protocol
systems	I-Protocol
,	O
to	O
content	O
displaying	O
features	O
,	O
such	O
as	O
the	O
addition	O
of	O
widgets	O
and	O
navigation	O
bars	O
.	O
</s>
<s>
Not	O
all	O
available	O
plugins	B-Application
are	O
always	O
abreast	O
with	O
the	O
upgrades	O
,	O
and	O
as	O
a	O
result	O
,	O
they	O
may	O
not	O
function	O
properly	O
or	O
may	O
not	O
function	O
at	O
all	O
.	O
</s>
<s>
If	O
the	O
plugin	B-Application
developer	O
has	O
not	O
tested	O
the	O
plugin	B-Application
with	O
the	O
last	O
two	O
major	O
versions	O
of	O
WordPress	B-Application
,	O
a	O
warning	O
message	O
will	O
be	O
displayed	O
on	O
the	O
plugin	B-Application
directory	O
,	O
informing	O
users	O
that	O
the	O
plugin	B-Application
may	O
not	O
work	O
properly	O
with	O
the	O
latest	O
WordPress	B-Application
version	O
.	O
</s>
<s>
Most	O
plugins	B-Application
are	O
available	O
through	O
WordPress	B-Application
themselves	O
,	O
either	O
via	O
downloading	O
them	O
and	O
installing	O
the	O
files	O
manually	O
via	O
FTP	B-Protocol
or	O
through	O
the	O
WordPress	B-Application
dashboard	O
.	O
</s>
<s>
However	O
,	O
many	O
third	O
parties	O
offer	O
plugins	B-Application
through	O
their	O
own	O
websites	O
,	O
many	O
of	O
which	O
are	O
paid	O
packages	O
.	O
</s>
<s>
Web	O
developers	O
who	O
wish	O
to	O
develop	O
plugins	B-Application
need	O
to	O
learn	O
WordPress	B-Application
 '	O
hook	O
system	O
,	O
which	O
consists	O
of	O
over	O
2,000	O
hooks	O
(	O
as	O
of	O
Version	O
5.7	O
in	O
2021	O
)	O
divided	O
into	O
two	O
categories	O
:	O
action	O
hooks	O
and	O
filter	O
hooks	O
.	O
</s>
<s>
Plugins	B-Application
also	O
represent	O
a	O
development	O
strategy	O
that	O
can	O
transform	O
WordPress	B-Application
into	O
all	O
sorts	O
of	O
software	O
systems	O
and	O
applications	O
,	O
limited	O
only	O
by	O
the	O
imagination	O
and	O
creativity	O
of	O
programmers	O
.	O
</s>
<s>
These	O
are	O
implemented	O
using	O
custom	O
plugins	B-Application
to	O
create	O
non-website	O
systems	O
,	O
such	O
as	O
headless	O
WordPress	B-Application
applications	O
and	O
Software	B-Architecture
as	I-Architecture
a	I-Architecture
Service	I-Architecture
(	O
SaaS	B-Architecture
)	O
products	O
.	O
</s>
<s>
Plugins	B-Application
could	O
also	O
be	O
used	O
by	O
hackers	O
targeting	O
sites	O
that	O
use	O
WordPress	B-Application
,	O
as	O
hackers	O
could	O
exploit	O
bugs	O
in	O
WordPress	B-Application
plugins	B-Application
instead	O
of	O
bugs	O
in	O
WordPress	B-Application
itself	O
.	O
</s>
<s>
Phone	O
apps	O
for	O
WordPress	B-Application
exist	O
for	O
WebOS	B-Operating_System
,	O
Android	B-Application
,	O
iOS	B-Application
,	O
Windows	B-Protocol
Phone	I-Protocol
,	O
and	O
BlackBerry	B-Operating_System
.	O
</s>
<s>
The	O
WordPress	B-Application
Accessibility	O
Team	O
has	O
worked	O
to	O
improve	O
the	O
accessibility	O
for	O
core	O
WordPress	B-Application
as	O
well	O
as	O
support	O
a	O
clear	O
identification	O
of	O
accessible	O
themes	B-Application
.	O
</s>
<s>
The	O
WordPress	B-Application
Accessibility	O
Team	O
provides	O
continuing	O
educational	O
support	O
about	O
web	O
accessibility	O
and	O
inclusive	O
design	O
.	O
</s>
<s>
The	O
WordPress	B-Application
Accessibility	O
Coding	O
Standards	O
state	O
that	O
"	O
All	O
new	O
or	O
updated	O
code	O
released	O
in	O
WordPress	B-Application
must	O
conform	O
with	O
the	O
Web	O
Content	O
Accessibility	O
Guidelines	O
2.0	O
at	O
level	O
AA.	O
"	O
</s>
<s>
WordPress	B-Application
also	O
features	O
integrated	O
link	O
management	O
,	O
a	O
search	B-Application
engine	I-Application
–	O
friendly	O
,	O
clean	O
permalink	O
structure	O
;	O
the	O
ability	O
to	O
assign	O
multiple	O
categories	O
to	O
posts	O
;	O
and	O
support	O
for	O
tagging	B-General_Concept
of	O
posts	O
.	O
</s>
<s>
WordPress	B-Application
also	O
supports	O
the	O
Trackback	B-Application
and	O
Pingback	B-Application
standards	O
for	O
displaying	O
links	O
to	O
other	O
sites	O
that	O
have	O
themselves	O
linked	O
to	O
a	O
post	O
or	O
an	O
article	O
.	O
</s>
<s>
WordPress	B-Application
posts	O
can	O
be	O
edited	O
in	O
HTML	O
,	O
using	O
the	O
visual	O
editor	O
,	O
or	O
using	O
one	O
of	O
several	O
plugins	B-Application
that	O
allow	O
for	O
a	O
variety	O
of	O
customized	O
editing	O
features	O
.	O
</s>
<s>
Before	O
version	O
3	O
,	O
WordPress	B-Application
supported	O
one	O
blog	O
per	O
installation	O
,	O
although	O
multiple	O
concurrent	O
copies	O
may	O
be	O
run	O
from	O
different	O
directories	O
if	O
configured	O
to	O
use	O
separate	O
database	O
tables	O
.	O
</s>
<s>
WordPress	B-Application
Multisites	O
(	O
previously	O
referred	O
to	O
as	O
WordPress	B-Application
Multi-User	O
,	O
WordPress	B-Application
MU	O
,	O
or	O
WPMU	O
)	O
was	O
a	O
fork	B-Application
of	O
WordPress	B-Application
created	O
to	O
allow	O
multiple	O
blogs	O
to	O
exist	O
within	O
one	O
installation	O
but	O
can	O
be	O
administered	O
by	O
a	O
centralized	O
maintainer	O
.	O
</s>
<s>
WordPress	B-Application
MU	O
makes	O
it	O
possible	O
for	O
those	O
with	O
websites	O
to	O
host	O
their	O
own	O
blogging	O
communities	O
,	O
as	O
well	O
as	O
control	O
and	O
moderate	O
all	O
the	O
blogs	O
from	O
a	O
single	O
dashboard	O
.	O
</s>
<s>
WordPress	B-Application
MU	O
adds	O
eight	O
new	O
data	O
tables	O
for	O
each	O
blog	O
.	O
</s>
<s>
As	O
of	O
the	O
release	O
of	O
WordPress	B-Application
3	O
,	O
WordPress	B-Application
MU	O
has	O
merged	O
with	O
WordPress	B-Application
.	O
</s>
<s>
b2/cafelog	B-Application
,	O
more	O
commonly	O
known	O
as	O
b2	B-Application
or	O
catalog	O
,	O
was	O
the	O
precursor	O
to	O
WordPress	B-Application
.	O
</s>
<s>
b2/cafelog	B-Application
was	O
estimated	O
to	O
have	O
been	O
installed	O
on	O
approximately	O
2,000	O
blogs	O
as	O
of	O
May	O
2003	O
.	O
</s>
<s>
It	O
was	O
written	O
in	O
PHP	B-Application
for	O
use	O
with	O
MySQL	B-Application
by	O
Michel	O
Valdrighi	O
,	O
who	O
is	O
now	O
a	O
contributing	O
developer	O
to	O
WordPress	B-Application
.	O
</s>
<s>
Although	O
WordPress	B-Application
is	O
the	O
official	O
successor	O
,	O
another	O
project	O
,	O
b2evolution	B-Protocol
,	O
is	O
also	O
in	O
active	O
development	O
.	O
</s>
<s>
As	O
the	O
development	O
of	O
b2/cafelog	B-Application
slowed	O
down	O
,	O
Matt	O
Mullenweg	O
began	O
pondering	O
the	O
idea	O
of	O
forking	O
b2/cafelog	B-Application
and	O
new	O
features	O
that	O
he	O
would	O
want	O
in	O
a	O
new	O
CMS	O
,	O
in	O
a	O
blog	O
post	O
written	O
on	O
January	O
24	O
,	O
2003	O
.	O
</s>
<s>
The	O
two	O
worked	O
together	O
to	O
create	O
the	O
first	O
version	O
of	O
WordPress	B-Application
,	O
version	O
0.70	O
,	O
which	O
was	O
released	O
on	O
May	O
27	O
,	O
2003	O
.	O
</s>
<s>
Christine	O
Selleck	O
Tremoulet	O
,	O
a	O
friend	O
of	O
Mullenweg	O
,	O
suggested	O
the	O
name	O
WordPress	B-Application
.	O
</s>
<s>
In	O
2004	O
the	O
licensing	O
terms	O
for	O
the	O
competing	O
Movable	B-Protocol
Type	I-Protocol
package	O
were	O
changed	O
by	O
Six	B-Protocol
Apart	I-Protocol
,	O
resulting	O
in	O
many	O
of	O
its	O
most	O
influential	O
users	O
migrating	O
to	O
WordPress	B-Application
.	O
</s>
<s>
By	O
October	O
2009	O
the	O
Open	O
Source	O
CMS	O
MarketShare	O
Report	O
concluded	O
that	O
WordPress	B-Application
enjoyed	O
the	O
greatest	O
brand	O
strength	O
of	O
any	O
open-source	B-Application
content	B-Protocol
management	I-Protocol
system	I-Protocol
.	O
</s>
<s>
As	O
of	O
May	O
2021	O
,	O
WordPress	B-Application
is	O
used	O
by	O
64.8	O
%	O
of	O
all	O
the	O
websites	O
whose	O
content	B-Protocol
management	I-Protocol
system	I-Protocol
is	O
known	O
,	O
and	O
41.4	O
%	O
of	O
the	O
top	O
10	O
million	O
websites	O
.	O
</s>
<s>
Winner	O
of	O
InfoWorld	O
's	O
"	O
Best	O
of	O
open	B-Application
source	I-Application
software	I-Application
awards	O
:	O
Collaboration	O
"	O
,	O
awarded	O
in	O
2008	O
.	O
</s>
<s>
Winner	O
of	O
InfoWorld	O
's	O
"	O
Bossie	O
award	O
for	O
Best	O
Open	B-Application
Source	I-Application
Software	I-Application
"	O
,	O
awarded	O
in	O
2011	O
.	O
</s>
<s>
WordPress	B-Application
has	O
a	O
five	O
star	O
privacy	O
rating	O
from	O
the	O
Electronic	O
Frontier	O
Foundation	O
.	O
</s>
<s>
Main	O
releases	O
of	O
WordPress	B-Application
are	O
codenamed	O
after	O
well-known	O
jazz	B-Device
musicians	O
,	O
starting	O
from	O
version	O
1.0	O
.	O
</s>
<s>
Version	O
Code	O
name	O
Release	O
date	O
Notes	O
none	O
May	O
27	O
,	O
2003	O
Used	O
the	O
same	O
file	O
structure	O
as	O
its	O
predecessor	O
,	O
b2/cafelog	B-Application
,	O
and	O
continued	O
the	O
numbering	O
from	O
its	O
last	O
release	O
,	O
0.6	O
.	O
</s>
<s>
Only	O
0.71-gold	O
is	O
available	O
for	O
download	O
in	O
the	O
official	O
WordPress	B-Application
Release	O
Archive	O
page	O
.	O
</s>
<s>
Davis	O
January	O
3	O
,	O
2004	O
Added	O
search	O
engine-friendly	O
permalinks	O
,	O
multiple	O
categories	O
,	O
dead-simple	O
installation	O
and	O
upgrade	O
,	O
comment	O
moderation	O
,	O
XFN	O
support	O
,	O
and	O
Atom	B-Application
support	O
.	O
</s>
<s>
Mingus	O
May	O
22	O
,	O
2004	O
Added	O
support	O
of	O
Plugins	B-Application
;	O
in	O
which	O
the	O
same	O
identification	O
headers	O
are	O
used	O
unchanged	O
in	O
WordPress	B-Application
releases	O
.	O
</s>
<s>
Strayhorn	O
February	O
17	O
,	O
2005	O
Added	O
a	O
range	O
of	O
vital	O
features	O
,	O
such	O
as	O
the	O
ability	O
to	O
manage	O
static	O
pages	O
and	O
a	O
template/Theme	O
system	O
.	O
</s>
<s>
It	O
was	O
also	O
equipped	O
with	O
a	O
new	O
default	O
template	B-Language
(	O
code	O
named	O
Kubrick	O
)	O
.	O
</s>
<s>
Duke	O
December	O
31	O
,	O
2005	O
Added	O
rich	O
editing	O
,	O
better	O
administration	O
tools	O
,	O
image	O
uploading	O
,	O
faster	O
posting	O
,	O
improved	O
import	O
system	O
,	O
fully	O
overhauled	O
the	O
back	O
end	O
,	O
and	O
various	O
improvements	O
to	O
Plugin	B-Application
developers	O
.	O
</s>
<s>
Getz	O
May	O
16	O
,	O
2007	O
Added	O
widget	O
support	O
for	O
templates	B-Language
,	O
updated	O
Atom	B-Application
feed	I-Application
support	O
,	O
and	O
speed	O
optimizations	O
.	O
</s>
<s>
Dexter	O
September	O
24	O
,	O
2007	O
Added	O
native	O
tagging	B-General_Concept
support	O
,	O
new	O
taxonomy	O
system	O
for	O
categories	O
,	O
and	O
easy	O
notification	O
of	O
updates	O
,	O
fully	O
supports	O
Atom	B-Application
1.0	O
,	O
with	O
the	O
publishing	O
protocol	O
,	O
and	O
some	O
much-needed	O
security	O
fixes	O
.	O
</s>
<s>
Brecker	O
March	O
29	O
,	O
2008	O
Major	O
revamp	O
to	O
the	O
dashboard	O
,	O
dashboard	O
widgets	O
,	O
multi-file	O
upload	O
,	O
extended	O
search	O
,	O
improved	O
editor	O
,	O
an	O
improved	O
plugin	B-Application
system	O
,	O
and	O
more	O
.	O
</s>
<s>
Tyner	O
July	O
15	O
,	O
2008	O
Added	O
new	O
features	O
that	O
made	O
WordPress	B-Application
a	O
more	O
powerful	O
CMS	O
:	O
it	O
can	O
now	O
track	B-Architecture
changes	I-Architecture
to	O
every	O
post	O
and	O
page	O
and	O
allow	O
easy	O
posting	O
from	O
anywhere	O
on	O
the	O
web	O
.	O
</s>
<s>
Coltrane	O
December	O
11	O
,	O
2008	O
Administration	O
interface	O
was	O
redesigned	O
fully	O
,	O
added	O
automatic	O
upgrades	O
,	O
and	O
installed	O
plugins	B-Application
,	O
from	O
within	O
the	O
administration	O
interface	O
.	O
</s>
<s>
Baker	O
June	O
10	O
,	O
2009	O
Added	O
speed	O
improvements	O
,	O
automatically	O
installing	O
themes	B-Application
from	O
within	O
the	O
administration	O
interface	O
,	O
introducing	O
the	O
CodePress	O
editor	O
for	O
syntax	O
highlighting	O
,	O
and	O
a	O
redesigned	O
widget	O
interface	O
.	O
</s>
<s>
Carmen	O
December	O
19	O
,	O
2009	O
Added	O
global	O
undo	O
,	O
built-in	O
image	O
editor	O
,	O
batch	O
plugin	B-Application
updating	O
,	O
and	O
many	O
less	O
visible	O
tweaks	O
.	O
</s>
<s>
Thelonious	O
June	O
17	O
,	O
2010	O
Added	O
a	O
new	O
theme	O
APIs	B-General_Concept
,	O
merged	O
WordPress	B-Application
and	O
WordPress	B-Application
MU	O
,	O
creating	O
the	O
new	O
multi-site	O
functionality	O
,	O
new	O
default	O
theme	O
"	O
Twenty	O
Ten	O
"	O
and	O
a	O
refreshed	O
,	O
lighter	O
admin	O
UI	O
.	O
</s>
<s>
Gershwin	O
July	O
4	O
,	O
2011	O
Focused	O
on	O
making	O
WordPress	B-Application
faster	O
and	O
lighter	O
.	O
</s>
<s>
Released	O
only	O
four	O
months	O
after	O
version	O
3.1	O
,	O
reflecting	O
the	O
growing	O
speed	O
of	O
development	O
in	O
the	O
WordPress	B-Application
community	O
.	O
</s>
<s>
Sonny	O
December	O
12	O
,	O
2011	O
Focused	O
on	O
making	O
WordPress	B-Application
friendlier	O
for	O
beginners	O
and	O
tablet	B-Device
computer	I-Device
users	O
.	O
</s>
<s>
Green	O
June	O
13	O
,	O
2012	O
Focused	O
on	O
improvements	O
to	O
theme	O
customization	O
,	O
Twitter	B-Application
integration	O
and	O
several	O
minor	O
changes	O
.	O
</s>
<s>
Elvin	O
December	O
11	O
,	O
2012	O
Support	O
for	O
the	O
Retina	B-Operating_System
Display	I-Operating_System
,	O
color	O
picker	O
,	O
a	O
new	O
default	O
theme	O
"	O
Twenty	O
Twelve	O
"	O
,	O
improved	O
image	O
workflow	O
.	O
</s>
<s>
Parker	O
December	O
12	O
,	O
2013	O
Improved	O
admin	O
interface	O
,	O
responsive	O
design	O
for	O
mobile	O
devices	O
,	O
new	O
typography	O
using	O
Open	O
Sans	O
,	O
admin	O
color	O
schemes	O
,	O
redesigned	O
theme	O
management	O
interface	O
,	O
simplified	O
main	O
dashboard	O
,	O
"	O
Twenty	O
Fourteen	O
"	O
magazine-style	O
default	O
theme	O
,	O
second	O
release	O
using	O
"	O
Plugin-first	O
development	O
process	O
"	O
.	O
</s>
<s>
Benny	O
September	O
4	O
,	O
2014	O
Improved	O
media	O
management	O
,	O
embeds	O
,	O
writing	O
interface	O
,	O
easy	O
language	O
change	O
,	O
theme	O
customizer	O
,	O
plugin	B-Application
discovery	O
,	O
and	O
compatibility	O
with	O
PHP	B-Application
5.5	O
and	O
MySQL	O
5.6	O
.	O
</s>
<s>
Dinah	O
December	O
18	O
,	O
2014	O
Twenty	O
Fifteen	O
as	O
the	O
new	O
default	O
theme	O
,	O
distraction-free	O
writing	O
,	O
easy	O
language	O
switch	O
,	O
Vine	O
embeds	O
,	O
and	O
plugin	B-Application
recommendations	O
.	O
</s>
<s>
Powell	O
April	O
23	O
,	O
2015	O
New	O
"	O
Press	O
This	O
"	O
features	O
,	O
improved	O
characters	O
support	O
,	O
emoji	B-Application
support	O
,	O
improved	O
customizer	O
,	O
new	O
embeds	O
,	O
and	O
updated	O
plugin	B-Application
system	O
.	O
</s>
<s>
Betty	O
February	O
21	O
,	O
2019	O
PHP	B-Application
version	O
upgrade	O
notices	O
and	O
block	O
editor	O
improvements	O
.	O
</s>
<s>
Jaco	O
May	O
7	O
,	O
2019	O
Include	O
Site	O
Health	O
Check	O
,	O
PHP	B-Application
error	O
protection	O
,	O
the	O
all-new	O
block	O
directory	O
,	O
and	O
update	O
package	O
signing	O
.	O
</s>
<s>
Eckstine	O
August	O
11	O
,	O
2020	O
Added	O
lazy-loading	O
images	O
,	O
XML	O
sitemaps	O
by	O
default	O
,	O
auto-updates	O
to	O
plugins	B-Application
and	O
themes	B-Application
,	O
and	O
improvements	O
to	O
the	O
block	O
editor	O
.	O
</s>
<s>
SimoneDecember	O
8	O
,	O
2020New	O
default	O
theme	O
"	O
Twenty	O
Twenty-One	O
,	O
"	O
Gutenberg	O
enhancements	O
,	O
automatic	O
updates	O
for	O
core	O
releases	O
,	O
increased	O
support	O
for	O
PHP	B-Application
8	O
,	O
application	O
passwords	O
for	O
REST	B-Protocol
API	I-Protocol
authentication	O
,	O
improved	O
accessibility	O
.	O
</s>
<s>
EsperanzaMarch	O
9	O
,	O
2021New	O
editor	O
is	O
easier	O
to	O
use	O
,	O
do	O
more	O
without	O
writing	O
custom	O
code	O
,	O
simpler	O
default	O
color	O
palette	O
,	O
from	O
HTTP	O
to	O
HTTPS	B-Protocol
in	O
a	O
single	O
click	O
,	O
new	O
Robots	O
API	B-General_Concept
,	O
lazy-load	O
your	O
iframes	O
and	O
ongoing	O
cleanup	O
after	O
update	O
to	O
jQuery	O
3.5.1	O
.	O
</s>
<s>
TatumJuly	O
20	O
,	O
2021Block	O
widgets	O
,	O
query	O
loop	O
blocks	O
,	O
block	O
themes	B-Application
,	O
List	O
View	O
,	O
Pattern	O
Transformations	O
,	O
Duotone	O
,	O
new	O
theme.json	O
file	O
,	O
dropped	O
IE11	B-Application
support	O
,	O
WebP	O
image	O
support	O
,	O
new	O
block	O
support	O
flags	O
.	O
</s>
<s>
JoséphineJanuary	O
25	O
,	O
2022New	O
default	O
theme	O
"	O
Twenty	O
Twenty-Two	O
"	O
,	O
new	O
WordPress	B-Application
Admin	O
feature	O
Site	O
Editor	O
,	O
Block	O
Themes	B-Application
manageable	O
through	O
Site	O
Editor	O
,	O
new	O
Navigation	O
block	O
,	O
improved	O
block	O
controls	O
,	O
Pattern	O
Directory	O
,	O
List	O
View	O
,	O
refactored	O
Gallery	O
block	O
,	O
Theme.json	O
child	O
theme	O
support	O
,	O
block-level	O
locking	O
,	O
multiple	O
stylesheets	O
per	O
block	O
.	O
</s>
<s>
ArturoMay	O
24	O
,	O
2022Gutenberg	O
writing	O
improvements	O
,	O
multiple	O
style	O
variations	O
and	O
expanded	O
template	B-Language
options	O
for	O
block	O
themes	B-Application
,	O
integrated	O
patterns	O
,	O
additional	O
design	O
tools	O
,	O
multiple	O
block	O
selections	O
from	O
the	O
list	O
view	O
,	O
block	O
locking	O
,	O
and	O
various	O
performance	O
,	O
and	O
accessibility	O
improvements	O
.	O
</s>
<s>
A	O
collection	O
of	O
header	O
and	O
footer	O
patterns	O
for	O
block	O
themes	B-Application
is	O
also	O
available	O
,	O
as	O
well	O
as	O
Openverse	O
media	O
integration	O
and	O
Distraction	O
Free	O
mode	O
for	O
writing	O
.	O
</s>
<s>
Other	O
features	O
include	O
sticky	O
positioning	O
for	O
top-level	O
group	O
blocks	O
,	O
options	O
to	O
import	O
favorite	O
widgets	O
from	O
Classic	O
themes	B-Application
,	O
and	O
local	O
fonts	O
in	O
default	O
WordPress	B-Application
themes	B-Application
for	O
better	O
privacy	O
with	O
Google	O
Fonts	O
included	O
.	O
</s>
<s>
The	O
December	O
2018	O
release	O
of	O
WordPress	B-Application
5.0	O
,	O
"	O
Bebo	O
"	O
,	O
is	O
named	O
in	O
homage	O
to	O
the	O
pioneering	O
Cuban	O
jazz	B-Device
musician	O
Bebo	O
Valdés	O
.	O
</s>
<s>
Past	O
content	O
that	O
was	O
created	O
on	O
WordPress	B-Application
pages	O
is	O
listed	O
under	O
what	O
is	O
referred	O
to	O
as	O
a	O
Classic	O
Block	O
.	O
</s>
<s>
Before	O
Gutenberg	O
,	O
there	O
were	O
several	O
block-based	O
editors	O
available	O
as	O
WordPress	B-Application
plugins	B-Application
,	O
e.g.	O
</s>
<s>
Elementor	B-General_Concept
.	O
</s>
<s>
Following	O
the	O
release	O
of	O
Gutenberg	O
,	O
comparisons	O
were	O
made	O
between	O
it	O
and	O
those	O
existing	O
plugins	B-Application
.	O
</s>
<s>
The	O
Classic	O
Editor	O
plugin	B-Application
was	O
created	O
as	O
a	O
result	O
of	O
User	O
preferences	O
and	O
helped	O
website	O
developers	O
maintain	O
past	O
plugins	B-Application
only	O
compatible	O
with	O
WordPress	B-Application
4.9	O
,	O
giving	O
plugin	B-Application
developers	O
time	O
to	O
get	O
their	O
plugins	B-Application
updated	O
&	O
compatible	O
with	O
the	O
5.0	O
release	O
.	O
</s>
<s>
Having	O
the	O
Classic	O
Editor	O
plugin	B-Application
installed	O
restores	O
the	O
"	O
classic	O
"	O
editing	O
experience	O
that	O
WordPress	B-Application
has	O
had	O
up	O
until	O
the	O
WordPress	B-Application
5.0	O
release	O
.	O
</s>
<s>
The	O
Classic	O
Editor	O
plugin	B-Application
will	O
be	O
supported	O
at	O
least	O
until	O
2024	O
.	O
</s>
<s>
As	O
of	O
November	O
2022	O
,	O
the	O
Classic	O
Editor	O
plugin	B-Application
is	O
active	O
on	O
over	O
5	O
million	O
installations	O
of	O
WordPress	B-Application
.	O
</s>
<s>
According	O
to	O
Secunia	O
,	O
WordPress	B-Application
in	O
April	O
2009	O
had	O
seven	O
unpatched	O
security	O
advisories	O
(	O
out	O
of	O
32	O
total	O
)	O
,	O
with	O
a	O
maximum	O
rating	O
of	O
"	O
Less	O
Critical	O
"	O
.	O
</s>
<s>
Secunia	O
maintains	O
an	O
up-to-date	O
list	O
of	O
WordPress	B-Application
vulnerabilities	O
.	O
</s>
<s>
In	O
January	O
2007	O
,	O
many	O
high-profile	O
search	B-Application
engine	I-Application
optimization	O
(	O
SEO	O
)	O
blogs	O
,	O
as	O
well	O
as	O
many	O
low-profile	O
commercial	O
blogs	O
featuring	O
AdSense	O
,	O
were	O
targeted	O
and	O
attacked	O
with	O
a	O
WordPress	B-Application
exploit	O
.	O
</s>
<s>
A	O
separate	O
vulnerability	O
on	O
one	O
of	O
the	O
project	O
site	O
's	O
web	B-Application
servers	I-Application
allowed	O
an	O
attacker	O
to	O
introduce	O
exploitable	O
code	O
in	O
the	O
form	O
of	O
a	O
back	O
door	O
to	O
some	O
downloads	O
of	O
WordPress	B-Application
2.1.1	O
.	O
</s>
<s>
In	O
May	O
2007	O
,	O
a	O
study	O
revealed	O
that	O
98%	O
of	O
WordPress	B-Application
blogs	O
being	O
run	O
were	O
exploitable	O
because	O
they	O
were	O
running	O
outdated	O
and	O
unsupported	O
versions	O
of	O
the	O
software	O
.	O
</s>
<s>
To	O
help	O
mitigate	O
this	O
problem	O
,	O
WordPress	B-Application
made	O
updating	O
the	O
software	O
a	O
much	O
easier	O
,	O
"	O
one-click	O
"	O
automated	O
process	O
in	O
version	O
2.7	O
(	O
released	O
in	O
December	O
2008	O
)	O
.	O
</s>
<s>
In	O
a	O
June	O
2007	O
interview	O
,	O
Stefan	O
Esser	O
,	O
the	O
founder	O
of	O
the	O
PHP	B-Application
Security	O
Response	O
Team	O
,	O
spoke	O
critically	O
of	O
WordPress	B-Application
 '	O
security	O
track	O
record	O
,	O
citing	O
problems	O
with	O
the	O
application	O
's	O
architecture	O
that	O
made	O
it	O
unnecessarily	O
difficult	O
to	O
write	O
code	O
that	O
is	O
secure	O
from	O
SQL	B-Language
injection	I-Language
vulnerabilities	O
,	O
as	O
well	O
as	O
some	O
other	O
problems	O
.	O
</s>
<s>
In	O
June	O
2013	O
,	O
it	O
was	O
found	O
that	O
some	O
of	O
the	O
50	O
most	O
downloaded	O
WordPress	B-Application
plugins	B-Application
were	O
vulnerable	O
to	O
common	O
Web	O
attacks	O
such	O
as	O
SQL	B-Language
injection	I-Language
and	O
XSS	O
.	O
</s>
<s>
A	O
separate	O
inspection	O
of	O
the	O
top	O
10	O
e-commerce	O
plugins	B-Application
showed	O
that	O
seven	O
of	O
them	O
were	O
vulnerable	O
.	O
</s>
<s>
To	O
promote	O
better	O
security	O
and	O
to	O
streamline	O
the	O
update	O
experience	O
overall	O
,	O
automatic	O
background	O
updates	O
were	O
introduced	O
in	O
WordPress	B-Application
3.7	O
.	O
</s>
<s>
Individual	O
installations	O
of	O
WordPress	B-Application
can	O
be	O
protected	O
with	O
security	O
plugins	B-Application
that	O
prevent	O
user	O
enumeration	O
,	O
hide	O
resources	O
and	O
thwart	O
probes	O
.	O
</s>
<s>
Users	O
can	O
also	O
protect	O
their	O
WordPress	B-Application
installations	O
by	O
taking	O
steps	O
such	O
as	O
keeping	O
all	O
WordPress	B-Application
installations	O
,	O
themes	B-Application
,	O
and	O
plugins	B-Application
updated	O
,	O
using	O
only	O
trusted	O
themes	B-Application
and	O
plugins	B-Application
,	O
and	O
editing	O
the	O
site	O
's	O
.htaccess	B-Protocol
configuration	O
file	O
if	O
supported	O
by	O
the	O
webserver	B-Application
to	O
prevent	O
many	O
types	O
of	O
SQL	B-Language
injection	I-Language
attacks	I-Language
and	O
block	O
unauthorized	O
access	O
to	O
sensitive	O
files	O
.	O
</s>
<s>
It	O
is	O
especially	O
important	O
to	O
keep	O
WordPress	B-Application
plugins	B-Application
updated	O
because	O
would-be	O
hackers	O
can	O
easily	O
list	O
all	O
the	O
plugins	B-Application
a	O
site	O
uses	O
and	O
then	O
run	O
scans	O
searching	O
for	O
any	O
vulnerabilities	O
against	O
those	O
plugins	B-Application
.	O
</s>
<s>
If	O
vulnerabilities	O
are	O
found	O
,	O
they	O
may	O
be	O
exploited	O
to	O
allow	O
hackers	O
to	O
,	O
for	O
example	O
,	O
upload	O
their	O
own	O
files	O
(	O
such	O
as	O
a	O
web	B-Protocol
shell	I-Protocol
)	O
that	O
collect	O
sensitive	O
information	O
.	O
</s>
<s>
Developers	O
can	O
also	O
use	O
tools	O
to	O
analyze	O
potential	O
vulnerabilities	O
,	O
including	O
Jetpack	O
Protect	O
,	O
WPScan	O
,	O
WordPress	B-Application
Auditor	O
,	O
and	O
WordPress	B-Application
Sploit	O
Framework	O
developed	O
by	O
0pc0deFR	O
.	O
</s>
<s>
These	O
types	O
of	O
tools	O
research	O
known	O
vulnerabilities	O
,	O
such	O
as	O
CSRF	B-Protocol
,	O
LFI	O
,	O
RFI	B-Protocol
,	O
XSS	O
,	O
SQL	B-Language
injection	I-Language
,	O
and	O
user	O
enumeration	O
.	O
</s>
<s>
However	O
,	O
not	O
all	O
vulnerabilities	O
can	O
be	O
detected	O
by	O
tools	O
,	O
so	O
it	O
is	O
advisable	O
to	O
check	O
the	O
code	O
of	O
plugins	B-Application
,	O
themes	B-Application
,	O
and	O
other	O
add-ins	B-Application
from	O
other	O
developers	O
.	O
</s>
<s>
In	O
March	O
2015	O
,	O
it	O
was	O
reported	O
that	O
the	O
Yoast	O
SEO	O
plugin	B-Application
was	O
vulnerable	O
to	O
SQL	B-Language
injection	I-Language
,	O
allowing	O
attackers	O
to	O
potentially	O
execute	O
arbitrary	O
SQL	O
commands	O
.	O
</s>
<s>
The	O
issue	O
was	O
fixed	O
in	O
version	O
1.7.4	O
of	O
the	O
plugin	B-Application
.	O
</s>
<s>
In	O
January	O
2017	O
,	O
security	O
auditors	O
at	O
Sucuri	O
identified	O
a	O
vulnerability	O
in	O
the	O
WordPress	B-Application
REST	B-Protocol
API	I-Protocol
that	O
would	O
allow	O
any	O
unauthenticated	O
user	O
to	O
modify	O
any	O
post	O
or	O
page	O
within	O
a	O
site	O
running	O
WordPress	B-Application
4.7	O
or	O
greater	O
.	O
</s>
<s>
The	O
auditors	O
quietly	O
notified	O
WordPress	B-Application
developers	O
,	O
and	O
within	O
six	O
days	O
WordPress	B-Application
released	O
a	O
high-priority	O
patch	O
to	O
version	O
4.7.2	O
,	O
which	O
addressed	O
the	O
problem	O
.	O
</s>
<s>
As	O
of	O
WordPress	B-Application
6.0	O
,	O
the	O
minimum	O
PHP	B-Application
version	O
requirement	O
is	O
PHP	B-Application
5.6	O
,	O
which	O
was	O
released	O
on	O
August	O
28	O
,	O
2014	O
,	O
and	O
which	O
has	O
been	O
unsupported	O
by	O
the	B-Application
PHP	I-Application
Group	I-Application
and	O
not	O
received	O
any	O
security	O
patches	O
since	O
December	O
31	O
,	O
2018	O
.	O
</s>
<s>
Thus	O
,	O
WordPress	B-Application
recommends	O
using	O
PHP	B-Application
version	O
7.4	O
or	O
greater	O
.	O
</s>
<s>
In	O
the	O
absence	O
of	O
specific	O
alterations	O
to	O
their	O
default	O
formatting	O
code	O
,	O
WordPress-based	O
websites	O
use	O
the	O
canvas	B-Language
element	I-Language
to	O
detect	O
whether	O
the	O
browser	O
can	O
correctly	O
render	O
emoji	B-Application
.	O
</s>
<s>
Because	O
Tor	B-Application
Browser	I-Application
does	O
not	O
currently	O
discriminate	O
between	O
this	O
legitimate	O
use	O
of	O
the	O
Canvas	B-Language
API	B-General_Concept
and	O
an	O
effort	O
to	O
perform	O
canvas	B-Protocol
fingerprinting	I-Protocol
,	O
it	O
warns	O
that	O
the	O
website	O
is	O
attempting	O
to	O
'	O
extract	O
HTML5	B-Language
canvas	I-Language
image	O
data	O
.	O
</s>
<s>
Ongoing	O
efforts	O
seek	O
workarounds	O
to	O
reassure	O
privacy	O
advocates	O
while	O
retaining	O
the	O
ability	O
to	O
check	O
for	O
proper	O
emoji	B-Application
rendering	O
capability	O
.	O
</s>
<s>
WordPress	B-Application
is	O
also	O
developed	O
by	O
its	O
community	O
,	O
including	O
WP	O
tester	O
,	O
a	O
group	O
of	O
volunteers	O
who	O
test	O
each	O
release	O
.	O
</s>
<s>
Errors	O
are	O
documented	O
in	O
a	O
special	O
mailing	O
list	O
or	O
the	O
project	O
's	O
Trac	B-Language
tool	O
.	O
</s>
<s>
Though	O
largely	O
developed	O
by	O
the	O
community	O
surrounding	O
it	O
,	O
WordPress	B-Application
is	O
closely	O
associated	O
with	O
Automattic	O
,	O
the	O
company	O
founded	O
by	O
Matt	O
Mullenweg	O
.	O
</s>
<s>
WordPress	B-Application
Foundation	O
is	O
a	O
non-profit	O
organization	O
that	O
was	O
set	O
up	O
to	O
support	O
the	O
WordPress	B-Application
project	O
.	O
</s>
<s>
The	O
purpose	O
of	O
the	O
organization	O
is	O
to	O
guarantee	O
open	O
access	O
to	O
WordPress	B-Application
's	O
software	O
projects	O
forever	O
.	O
</s>
<s>
As	O
part	O
of	O
this	O
,	O
the	O
organization	O
owns	O
and	O
manages	O
WordPress	B-Application
,	O
WordCamp	O
,	O
and	O
related	O
trademarks	O
.	O
</s>
<s>
In	O
January	O
2010	O
,	O
Matt	O
Mullenweg	O
formed	O
the	O
organization	O
to	O
own	O
and	O
manage	O
the	O
trademarks	O
of	O
WordPress	B-Application
project	O
.	O
</s>
<s>
Previously	O
from	O
2006	O
onwards	O
Automattic	O
acted	O
as	O
a	O
short-term	O
owner	O
of	O
the	O
WordPress	B-Application
trademarks	O
.	O
</s>
<s>
From	O
the	O
beginning	O
,	O
he	O
intended	O
later	O
to	O
place	O
the	O
WordPress	B-Application
trademarks	O
with	O
the	B-Application
WordPress	I-Application
Foundation	I-Application
,	O
which	O
did	O
not	O
yet	O
exist	O
in	O
2006	O
and	O
which	O
eventually	O
took	O
longer	O
to	O
set	O
up	O
than	O
expected	O
.	O
</s>
<s>
On	O
December	O
14	O
,	O
2021	O
,	O
Matt	O
Mullenweg	O
announced	O
the	O
WordPress	B-Application
Photo	O
Directory	O
at	O
the	O
State	O
of	O
the	O
Word	O
2021	O
event	O
.	O
</s>
<s>
It	O
is	O
an	O
open-source	B-Application
image	O
directory	O
for	O
open	O
images	O
maintained	O
by	O
the	O
WordPress	B-Application
project	O
.	O
</s>
<s>
The	O
image	O
directory	O
aims	O
to	O
provide	O
an	O
open	O
alternative	O
to	O
closed	O
image	O
banks	O
,	O
such	O
as	O
Unsplash	B-Algorithm
,	O
Pixbaby	O
,	O
and	O
Adobe	O
Stock	O
,	O
whose	O
licensing	O
terms	O
have	O
become	O
restrictive	O
in	O
recent	O
years	O
.	O
</s>
<s>
Use	O
in	O
WordPress	B-Application
themes	B-Application
,	O
for	O
example	O
,	O
is	O
restricted	O
.	O
</s>
<s>
WordCamps	O
are	O
casual	O
,	O
locally	O
organized	O
conferences	O
covering	O
everything	O
related	O
to	O
WordPress	B-Application
.	O
</s>
<s>
WordCamp	O
San	O
Francisco	O
2014	O
was	O
the	O
last	O
official	O
annual	O
conference	O
of	O
WordPress	B-Application
developers	O
and	O
users	O
taking	O
place	O
in	O
San	O
Francisco	O
,	O
having	O
now	O
been	O
replaced	O
with	O
WordCamp	O
US	O
.	O
</s>
<s>
WordPress	B-Application
 '	O
primary	O
support	O
website	O
is	O
WordPress.org	B-Application
.	O
</s>
<s>
This	O
support	O
website	O
hosts	O
both	O
WordPress	B-Application
Codex	O
,	O
the	O
online	O
manual	O
for	O
WordPress	B-Application
and	O
a	O
living	O
repository	B-General_Concept
for	O
WordPress	B-Application
information	O
and	O
documentation	O
,	O
</s>
<s>
and	O
WordPress	B-Application
Forums	O
,	O
an	O
active	O
online	O
community	O
of	O
WordPress	B-Application
users	O
.	O
</s>
