<s>
A	O
web	B-Application
template	I-Application
system	I-Application
in	O
web	O
publishing	O
allows	O
web	O
designers	O
and	O
developers	O
work	O
with	O
web	B-Application
templates	I-Application
to	O
automatically	O
generate	O
custom	O
web	O
pages	O
,	O
such	O
as	O
the	O
results	O
from	O
a	O
search	O
.	O
</s>
<s>
Web	B-Application
templates	I-Application
support	O
static	O
content	O
,	O
providing	O
basic	O
structure	O
and	O
appearance	O
.	O
</s>
<s>
Developers	O
can	O
implement	O
templates	B-Language
from	O
content	B-Protocol
management	I-Protocol
systems	I-Protocol
,	O
web	B-Application
application	I-Application
frameworks	I-Application
,	O
and	O
HTML	B-General_Concept
editors	I-General_Concept
.	O
</s>
<s>
A	O
web	B-Application
template	I-Application
system	I-Application
is	O
composed	O
of	O
the	O
following	O
:	O
</s>
<s>
A	O
template	B-Application
engine	I-Application
:	O
the	O
primary	O
processing	O
element	O
of	O
the	O
system	O
;	O
</s>
<s>
Content	O
resource	O
:	O
any	O
of	O
various	O
kinds	O
of	O
input	O
data	B-General_Concept
streams	I-General_Concept
,	O
such	O
as	O
from	O
a	O
relational	B-Application
database	I-Application
,	O
XML	B-Protocol
files	O
,	O
LDAP	B-Protocol
directory	O
,	O
and	O
other	O
kinds	O
of	O
local	O
or	O
networked	B-Architecture
data	O
;	O
</s>
<s>
Template	B-Language
resource	O
:	O
web	B-Application
templates	I-Application
specified	O
according	O
to	O
a	O
template	B-Language
language	I-Language
;	O
</s>
<s>
The	O
template	B-Language
and	O
content	O
resources	O
are	O
processed	O
and	O
combined	O
by	O
the	O
template	B-Application
engine	I-Application
to	O
mass-produce	O
web	O
documents	O
.	O
</s>
<s>
For	O
purposes	O
of	O
this	O
article	O
,	O
web	O
documents	O
include	O
any	O
of	O
various	O
output	O
formats	O
for	O
transmission	O
over	O
the	O
web	O
via	O
HTTP	B-Protocol
,	O
HTTPS	B-Protocol
,	O
or	O
another	O
Internet	B-Protocol
protocol	I-Protocol
.	O
</s>
<s>
With	O
the	O
model	O
typically	O
held	O
in	O
a	O
relational	B-Application
database	I-Application
,	O
the	O
remaining	O
components	O
of	O
the	O
MVC	O
architecture	O
are	O
the	O
control	O
and	O
view	O
.	O
</s>
<s>
For	O
example	O
,	O
the	O
view	O
template	B-Language
may	O
look	O
like	O
this	O
:	O
</s>
<s>
Then	O
,	O
the	O
control	O
template	B-Language
loads	O
the	O
view	O
,	O
and	O
then	O
uses	O
XPath	B-Language
addressing	O
to	O
insert	O
components	O
from	O
a	O
database	O
,	O
for	O
instance	O
:	O
</s>
<s>
A	O
web	O
browser	O
and	O
web	O
server	B-Application
are	O
a	O
client	B-Operating_System
–	I-Operating_System
server	I-Operating_System
architecture	I-Operating_System
.	O
</s>
<s>
Sites	O
often	O
also	O
use	O
a	O
web	B-Protocol
cache	I-Protocol
to	O
improve	O
performance	O
.	O
</s>
<s>
Template	B-Language
languages	I-Language
may	O
be	O
:	O
</s>
<s>
The	O
source	O
code	O
of	O
the	O
template	B-Application
engine	I-Application
can	O
be	O
proprietary	O
or	O
open	B-License
source	I-License
.	O
</s>
<s>
Many	O
template	B-Language
systems	I-Language
are	O
a	O
component	O
of	O
a	O
larger	O
programming	O
platform	O
or	O
framework	O
.	O
</s>
<s>
They	O
are	O
referred	O
to	O
as	O
the	O
"	O
platform	O
's	O
template	B-Language
system	I-Language
"	O
.	O
</s>
<s>
Some	O
template	B-Language
systems	I-Language
have	O
the	O
option	O
of	O
substituting	O
a	O
different	O
template	B-Language
language	I-Language
or	O
engine	O
.	O
</s>
<s>
Programming	O
languages	O
such	O
as	O
Perl	B-Language
,	O
Ruby	B-Language
,	O
C	B-Language
,	O
and	O
Java	B-Device
support	O
template	B-Language
processing	O
either	O
natively	O
,	O
or	O
through	O
add-on	O
libraries	O
and	O
modules	O
.	O
</s>
<s>
JavaServer	B-Language
Pages	I-Language
(	O
JSP	O
)	O
,	O
PHP	B-Application
,	O
and	O
Active	B-General_Concept
Server	I-General_Concept
Pages	I-General_Concept
(	O
ASP	O
with	O
VBScript	B-Application
,	O
JScript	B-Language
or	O
other	O
languages	O
)	O
are	O
examples	O
,	O
themselves	O
,	O
of	O
web	B-Application
template	I-Application
engines	I-Application
.	O
</s>
<s>
These	O
technologies	O
are	O
typically	O
used	O
in	O
server-side	O
templating	O
systems	O
,	O
but	O
could	O
be	O
adapted	O
for	O
use	O
on	O
an	O
"	O
edge-side	O
"	O
proxy	O
or	O
for	O
static	O
page	O
generation	O
.	O
</s>
<s>
Static	O
site	O
generators	O
are	O
engines	O
that	O
use	O
flat	O
text	O
input	O
files	O
like	O
markdown	O
and	O
asciidoc	B-Language
to	O
generate	O
a	O
static	O
web	O
page	O
.	O
</s>
<s>
Examples	O
of	O
this	O
include	O
Jekyll	B-Protocol
(	O
Liquid	O
,	O
Ruby	B-Language
)	O
,	O
Hugo	B-Protocol
(	O
Go	B-Application
templates	B-Language
)	O
,	O
and	O
Pelican	O
(	O
Jinja2	B-Language
,	O
Python	B-Language
)	O
.	O
</s>
<s>
HTML	B-General_Concept
editors	I-General_Concept
often	O
use	O
web	B-Application
template	I-Application
systems	I-Application
to	O
produce	O
only	O
static	O
web	O
pages	O
.	O
</s>
<s>
They	O
also	O
commonly	O
include	O
themes	O
in	O
place	O
of	O
CSS	B-Language
styles	I-Language
.	O
</s>
<s>
In	O
general	O
,	O
the	O
template	B-Language
language	I-Language
is	O
used	O
only	O
with	O
the	O
editor	O
's	O
software	O
.	O
</s>
<s>
FrontPage	B-Operating_System
and	O
Dreamweaver	B-Language
were	O
once	O
the	O
most	O
popular	O
editors	O
with	O
template	B-Language
sub-systems	O
.	O
</s>
<s>
A	O
Flash	O
web	B-Application
template	I-Application
uses	O
Macromedia	B-Operating_System
Flash	I-Operating_System
to	O
create	O
visually	O
interactive	O
sites	O
.	O
</s>
<s>
Many	O
server-side	O
template	B-Language
systems	I-Language
have	O
an	O
option	O
to	O
publish	O
output	O
pages	O
on	O
the	O
server	B-Application
,	O
where	O
the	O
published	O
pages	O
are	O
static	O
.	O
</s>
<s>
This	O
is	O
common	O
on	O
content	B-Protocol
management	I-Protocol
systems	I-Protocol
,	O
like	O
Vignette	O
,	O
but	O
is	O
not	O
considered	O
out-server	O
generation	O
.	O
</s>
<s>
In	O
the	O
majority	O
of	O
cases	O
,	O
this	O
"	O
publish	O
option	O
"	O
does	O
n't	O
interfere	O
with	O
the	O
template	B-Language
system	I-Language
,	O
and	O
it	O
can	O
be	O
made	O
by	O
external	O
software	O
,	O
as	O
Wget	B-Protocol
.	O
</s>
<s>
People	O
began	O
to	O
use	O
server-side	O
dynamic	O
pages	O
generated	O
from	O
templates	B-Language
with	O
pre-existent	O
software	O
adapted	O
for	O
this	O
task	O
.	O
</s>
<s>
This	O
early	O
software	O
was	O
the	O
preprocessors	B-General_Concept
and	O
macro	O
languages	O
,	O
adapted	O
for	O
the	O
web	O
use	O
,	O
running	O
on	O
CGI	B-Language
.	O
</s>
<s>
Many	O
template	B-Language
systems	I-Language
are	O
typically	O
used	O
as	O
server-side	O
template	B-Language
systems	I-Language
:	O
</s>
<s>
System	O
label/name	O
Platform/framework	O
Notes	O
Blade	O
PHP	B-Application
Public	O
.	O
</s>
<s>
Part	O
of	O
Laravel	B-Language
CheetahTemplate	B-Language
Python	B-Language
Public	O
.	O
</s>
<s>
Django	B-Language
Python	B-Language
Use	O
the	O
"	O
Django	B-Language
template	B-Language
language	I-Language
"	O
.	O
</s>
<s>
FreeMarker	B-Language
Java	B-Device
Public	O
.	O
</s>
<s>
Facelets	B-Language
Jakarta	B-Language
EE	I-Language
Public	O
.	O
</s>
<s>
Part	O
of	O
Jakarta	B-Language
Server	I-Language
Faces	I-Language
Genshi	B-Language
Python	B-Language
Public	O
Haml	B-Application
Ruby	B-Language
or	O
Other	O
Public	O
.	O
</s>
<s>
Hamlets	O
Java	B-Device
Public	O
.	O
</s>
<s>
Jinja2	B-Language
Python	B-Language
Public	O
.	O
</s>
<s>
Kid	B-Language
Python	B-Language
Lasso	B-Language
LassoSoft	B-Language
,	O
LLC	O
Proprietary	O
.	O
</s>
<s>
Interpreted	B-Application
Programming	I-Application
Language	I-Application
and	O
Server	B-Application
Mustache	B-Language
ActionScript	B-Operating_System
,	O
C++	B-Language
,	O
Clojure	B-Language
,	O
CoffeeScript	B-Application
,	O
ColdFusion	B-Language
,	O
D	B-Application
,	O
Erlang	B-Operating_System
,	O
Fantom	B-Language
,	O
Go	B-Application
,	O
Java	B-Device
,	O
server-side	O
JavaScript	B-Language
,	O
Lua	B-Language
,	O
.NET	B-Application
,	O
Objective-C	B-Language
,	O
ooc	O
,	O
Perl	B-Language
,	O
PHP	B-Application
,	O
Python	B-Language
,	O
Ruby	B-Language
,	O
Scala	B-Application
,	O
Tcl	B-Operating_System
Public	O
.	O
</s>
<s>
Basic	O
Server	B-Application
Side	O
Includes	O
(	O
SSI	O
)	O
The	O
basic	O
directives	O
fix	O
a	O
"	O
standard	O
"	O
.	O
</s>
<s>
Smarty	B-Language
PHP	B-Application
Public	O
.	O
</s>
<s>
Template	B-Language
Toolkit	I-Language
Perl	B-Language
Public	O
.	O
</s>
<s>
Template	B-Language
Attribute	I-Language
Language	I-Language
(	O
TAL	O
)	O
Zope	B-Language
,	O
Python	B-Language
,	O
Java	B-Device
,	O
Perl	B-Language
,	O
PHP	B-Application
,	O
XSLT	B-Application
Public	O
;	O
a.k.a.	O
</s>
<s>
Zope	B-Language
Page	O
Templates	B-Language
(	O
ZPT	O
)	O
;	O
see	O
also	O
TAL	B-Language
Expression	I-Language
Syntax	I-Language
(	O
TALES	B-Language
)	O
,	O
Macro	O
Expansion	O
TAL	O
(	O
METAL	O
)	O
Tiles	O
Java	B-Device
Public	O
.	O
</s>
<s>
Supports	O
multiple	O
template	B-Language
languages	I-Language
(	O
JSP	O
,	O
Velocity	B-Language
,	O
Freemarker	B-Language
,	O
Mustache	B-Language
)	O
from	O
various	O
frameworks	O
(	O
servlet	O
,	O
portlets	O
,	O
struts	O
,	O
spring	O
)	O
.	O
</s>
<s>
Thymeleaf	B-Language
Java	B-Device
Public	O
.	O
</s>
<s>
Topsite	O
Python	B-Language
Public	O
.	O
</s>
<s>
Twig	B-Language
PHP	B-Application
PHPlib	O
PHPlib	O
Public	O
.	O
</s>
<s>
WebMacro	B-Language
Java	B-Device
Public	O
.	O
</s>
<s>
WebObjects	B-Language
Java	B-Device
Use	O
the	O
WebObjects	B-Language
Builder	O
as	O
engine	O
.	O
</s>
<s>
Velocity	B-Language
Java	B-Device
Public	O
.	O
</s>
<s>
Use	O
VTL	O
-	O
Velocity	B-Language
Template	B-Language
Language	I-Language
.	O
</s>
<s>
XSLT	B-Application
(	O
standard	O
language	O
)	O
Any	O
with	O
an	O
XSLT	B-Application
parser	O
Standard	O
.	O
</s>
<s>
XQuery	B-Language
(	O
standard	O
language	O
)	O
Any	O
with	O
an	O
XQuery	B-Language
parser	O
Standard	O
.	O
</s>
<s>
Technically	O
,	O
the	O
methodology	O
of	O
embedding	O
programming	O
languages	O
within	O
HTML	O
(	O
or	O
XML	B-Protocol
,	O
etc	O
.	O
</s>
<s>
)	O
,	O
used	O
in	O
many	O
"	O
server-side	O
included	O
script	O
languages	O
"	O
are	O
also	O
templates	B-Language
.	O
</s>
<s>
System	O
label/name	O
Notes	O
Active	B-General_Concept
Server	I-General_Concept
Pages	I-General_Concept
(	O
ASP	O
)	O
Proprietary	O
(	O
Microsoft	O
platform	O
)	O
.	O
</s>
<s>
See	O
also	O
:	O
VBScript	B-Application
,	O
Javascript	B-Language
,	O
PerlScript	O
,	O
etc	O
.	O
</s>
<s>
eRuby	B-Application
Public	O
(	O
Ruby	B-Language
)	O
.	O
</s>
<s>
ColdFusion	B-Language
Markup	I-Language
Language	I-Language
(	O
CFM	O
)	O
Public	O
(	O
Lucee	B-Language
,	O
Railo	B-Language
,	O
OpenBD	B-Language
)	O
.	O
</s>
<s>
Proprietary	O
(	O
Adobe	B-Language
ColdFusion	I-Language
)	O
.	O
</s>
<s>
Jakarta	B-Language
Server	I-Language
Pages	I-Language
(	O
JSP	O
)	O
Public	O
,	O
Jakarta	B-Language
EE	I-Language
.	O
</s>
<s>
Active	B-Language
Perl	I-Language
Public	O
.	O
</s>
<s>
PHP	B-Application
Public	O
.	O
</s>
<s>
OpenACS	B-Protocol
Public	O
(	O
Tcl	B-Operating_System
)	O
.	O
</s>
<s>
There	O
are	O
also	O
preprocessors	B-General_Concept
used	O
as	O
server-side	B-Application
template	I-Application
engines	I-Application
.	O
</s>
<s>
Preprocessor	B-General_Concept
Notes	O
C	B-Language
preprocessor	I-Language
Public	O
.	O
</s>
<s>
M4	B-Device
Public	O
.	O
</s>
<s>
Edge-Side	O
template	B-Language
and	O
inclusion	O
systems	O
.	O
</s>
<s>
"	O
Edge-side	O
"	O
refers	O
to	O
web	O
servers	O
that	O
reside	O
in	O
the	O
space	O
between	O
the	O
client	O
(	O
browser	O
)	O
and	O
the	O
originating	O
server	B-Application
.	O
</s>
<s>
Basic	O
Edge	B-Language
Side	I-Language
Includes	I-Language
(	O
ESI	O
)	O
is	O
an	O
SSI-like	O
language	O
.	O
</s>
<s>
The	O
ESI	O
template	B-Language
language	I-Language
may	O
also	O
be	O
implemented	O
in	O
web	O
browsers	O
using	O
JavaScript	B-Language
and	O
Ajax	B-General_Concept
,	O
or	O
via	O
a	O
browser	O
"	O
plug-in	O
"	O
.	O
</s>
<s>
Many	O
web	O
browsers	O
can	O
apply	O
an	O
XSLT	B-Application
stylesheet	O
to	O
XML	B-Protocol
data	O
that	O
transforms	O
the	O
data	O
into	O
an	O
XHTML	O
document	O
,	O
thereby	O
providing	O
template	B-Language
functionality	O
in	O
the	O
browser	O
itself	O
.	O
</s>
<s>
Other	O
systems	O
implement	O
template	B-Language
functionality	O
in	O
the	O
browser	O
using	O
JavaScript	B-Language
or	O
another	O
client-side	B-Operating_System
scripting	O
language	O
,	O
including	O
:	O
</s>
