<s>
Jamstack	B-Language
,	O
previously	O
stylized	O
as	O
JAMStack	B-Language
,	O
is	O
a	O
web	O
development	O
architecture	B-Architecture
pattern	O
and	O
solution	B-Application
stack	I-Application
.	O
</s>
<s>
The	O
initialism	O
"	O
JAM	O
"	O
stands	O
for	O
JavaScript	B-Language
,	O
API	B-General_Concept
and	O
Markup	O
(	O
generated	O
by	O
a	O
static	B-Protocol
site	I-Protocol
generator	I-Protocol
)	O
and	O
was	O
coined	O
by	O
Mathias	B-General_Concept
Biilmann	I-General_Concept
in	O
2015	O
.	O
</s>
<s>
The	O
idea	O
of	O
combining	O
the	O
use	O
of	O
JavaScript	B-Language
,	O
APIs	B-General_Concept
,	O
and	O
markup	O
together	O
has	O
existed	O
since	O
the	O
beginnings	O
of	O
HTML5	B-Application
.	O
</s>
<s>
In	O
Jamstack	B-Language
websites	O
,	O
the	O
application	B-Architecture
logic	I-Architecture
typically	O
resides	O
on	O
the	O
client	O
side	O
(	O
for	O
example	O
,	O
an	O
embedded	O
e-commerce	O
checkout	O
service	O
that	O
interacts	O
with	O
pre-rendered	O
static	O
content	O
)	O
,	O
without	O
being	O
tightly	O
coupled	O
to	O
a	O
backend	B-Architecture
server	O
.	O
</s>
<s>
Jamstack	B-Language
sites	O
are	O
usually	O
served	O
with	O
a	O
Git-based	O
or	O
headless	B-Protocol
CMS	I-Protocol
.	O
</s>
