<s>
Algolia	B-Application
is	O
a	O
proprietary	O
search	B-Application
engine	I-Application
offering	O
,	O
usable	O
through	O
the	O
software	O
as	O
a	O
service	O
(	O
SaaS	O
)	O
model	O
.	O
</s>
<s>
Algolia	B-Application
was	O
founded	O
in	O
2012	O
by	O
Nicolas	O
Dessaigne	O
and	O
Julien	O
Lemoine	O
,	O
both	O
originally	O
from	O
Paris	O
,	O
France	O
.	O
</s>
<s>
It	O
was	O
originally	O
a	O
company	O
focused	O
on	O
offline	O
search	B-Application
on	O
mobile	O
phones	O
.	O
</s>
<s>
Starting	O
with	O
two	O
data	B-Operating_System
centres	I-Operating_System
in	O
Europe	O
and	O
the	O
US	O
,	O
Algolia	B-Application
opened	O
a	O
third	O
centre	O
in	O
Singapore	O
in	O
March	O
2014	O
,	O
and	O
as	O
of	O
2019	O
,	O
claimed	O
to	O
be	O
present	O
in	O
over	O
70	O
data	B-Operating_System
centers	I-Operating_System
across	O
16	O
worldwide	O
regions	O
.	O
</s>
<s>
In	O
May	O
2015	O
,	O
Algolia	B-Application
received	O
$18.3	O
M	O
in	O
a	O
series	O
A	O
investment	O
from	O
a	O
financial	O
group	O
led	O
by	O
Accel	O
Partners	O
,	O
and	O
in	O
2017	O
a	O
$53M	O
series	O
B	O
investment	O
,	O
also	O
led	O
by	O
Accel	O
Partners	O
.	O
</s>
<s>
From	O
June	O
2016	O
to	O
September	O
2019	O
,	O
the	O
usage	O
of	O
Algolia	B-Application
by	O
small	O
websites	O
increased	O
from	O
632	O
to	O
5,168	O
in	O
the	O
"	O
top	O
1	O
million	O
websites	O
"	O
and	O
197	O
in	O
the	O
"	O
top	O
10k	O
websites	O
"	O
evaluated	O
by	O
BuiltWith	O
.	O
</s>
<s>
In	O
January	O
2021	O
,	O
Algolia	B-Application
acquired	O
Romanian	O
AI	O
and	O
machine	O
learning	O
startup	O
MorphL	O
.	O
</s>
<s>
In	O
July	O
2021	O
,	O
Algolia	B-Application
raised	O
a	O
$150	O
million	O
Series	O
D	O
funding	O
round	O
and	O
became	O
a	O
unicorn	O
,	O
with	O
a	O
valuation	O
of	O
$2.25	O
billion	O
.	O
</s>
<s>
The	O
Algolia	B-Application
model	O
provides	O
search	B-Application
as	O
a	O
service	O
,	O
offering	O
web	B-Application
search	I-Application
across	O
a	O
client	O
's	O
website	O
using	O
an	O
externally	O
hosted	O
search	B-Application
engine	I-Application
.	O
</s>
<s>
Although	O
in-site	O
search	B-Application
has	O
long	O
been	O
available	O
from	O
general	O
web	B-Application
search	I-Application
providers	O
such	O
as	O
Google	O
,	O
this	O
is	O
typically	O
done	O
as	O
a	O
subset	O
of	O
general	O
web	B-Application
searching	I-Application
.	O
</s>
<s>
The	O
search	B-Application
engine	I-Application
crawls	O
or	O
spiders	B-Application
the	O
web	O
at	O
large	O
,	O
including	O
the	O
client	O
site	O
,	O
and	O
then	O
offers	O
search	B-Application
features	I-Application
restricted	O
to	O
only	O
that	O
target	O
site	O
.	O
</s>
<s>
Algolia	B-Application
's	O
product	O
only	O
indexes	O
their	O
clients	O
 '	O
sites	O
,	O
simplifying	O
the	O
search	B-Application
task	O
.	O
</s>
<s>
Data	O
for	O
the	O
client	O
site	O
is	O
pushed	B-General_Concept
from	O
the	O
client	O
to	O
Algolia	B-Application
via	O
a	O
RESTful	B-Protocol
JSON	B-General_Concept
API	O
,	O
then	O
the	O
search	B-Application
box	O
is	O
added	O
to	O
the	O
client	O
's	O
web	O
pages	O
.	O
</s>
<s>
This	O
search	B-Application
model	O
is	O
intended	O
to	O
replicate	O
the	O
advantage	O
of	O
a	O
full	O
in-house	O
search	B-Application
engine	I-Application
but	O
with	O
a	O
simplified	O
setup	O
.	O
</s>
<s>
Algolia	B-Application
claims	O
a	O
number	O
of	O
advantages	O
for	O
their	O
approach	O
,	O
including	O
speed	O
of	O
response	O
from	O
searching	O
a	O
single	O
site	O
rather	O
than	O
the	O
entire	O
web	O
.	O
</s>
<s>
Moreover	O
,	O
as	O
Algolia	B-Application
's	O
search	B-Application
can	O
be	O
tailored	O
to	O
the	O
client	O
site	O
,	O
its	O
known	O
structure	O
and	O
its	O
metadata	O
facets	O
,	O
the	O
search	B-Application
offered	O
can	O
be	O
smarter	O
and	O
more	O
site-specific	O
than	O
a	O
generalised	O
web	O
text	O
search	B-Application
.	O
</s>
<s>
This	O
improves	O
the	O
relevance	O
of	O
search	B-Application
results	I-Application
as	O
searching	O
may	O
take	O
the	O
semantics	O
of	O
site	O
content	O
into	O
account	O
.	O
</s>
<s>
A	O
web	O
site	O
selling	O
both	O
puppies	O
and	O
dog	O
clutches	O
could	O
avoid	O
the	O
search	B-Application
confusions	O
and	O
homonymy	O
that	O
bedevil	O
the	O
simple	O
text-based	O
search	B-Application
approaches	O
.	O
</s>
<s>
Algolia	B-Application
emphasizes	O
their	O
ability	O
to	O
provide	O
instantaneous	O
,	O
multi-platform	O
and	O
typo-tolerant	O
features	O
.	O
</s>
<s>
Algolia	B-Application
's	O
software	O
is	O
closed	O
source	O
.	O
</s>
<s>
For	O
example	O
Algolia	B-Application
DocSearch	O
,	O
which	O
provides	O
free	O
search	B-Application
for	O
open-source	O
documentation	O
websites	O
,	O
Algolia	B-Application
Places	O
and	O
Algolia	B-Application
GeoSearch	O
.	O
</s>
<s>
Algolia	B-Application
provides	O
their	O
search	B-Application
service	I-Application
via	O
various	O
APIs	O
.	O
</s>
<s>
The	O
Rest	B-Protocol
API	I-Protocol
provides	O
basic	O
features	O
of	O
search	B-Application
,	O
analysis	O
and	O
monitoring	O
.	O
</s>
<s>
Supported	O
languages	O
include	O
Python	B-Language
,	O
Ruby	B-Language
,	O
PHP	B-Application
,	O
JavaScript	B-Language
,	O
Java	B-Language
,	O
Go	B-Application
,	O
C#	B-Application
,	O
Scala	B-Application
.	O
</s>
<s>
Two	O
mobile	O
platforms	O
,	O
iOS	B-Application
,	O
Android	B-Application
,	O
are	O
supported	O
.	O
</s>
<s>
Algolia	B-Application
can	O
be	O
also	O
integrated	O
with	O
four	O
web	O
frameworks	O
:	O
Ruby	B-Application
on	I-Application
Rails	I-Application
,	O
Symfony	B-Language
,	O
Django	B-Language
and	O
Laravel	B-Language
.	O
</s>
<s>
For	O
user	O
interface	O
,	O
Algolia	B-Application
has	O
a	O
few	O
UI	O
libraries	O
options	O
to	O
choose	O
from	O
.	O
</s>
<s>
Besides	O
these	O
products	O
,	O
Algolia	B-Application
also	O
has	O
integration	O
with	O
other	O
open	O
source	O
and	O
third-party	O
software	O
,	O
including	O
Drupal	B-Application
,	O
WordPress	B-Application
and	O
Magento	B-Application
.	O
</s>
<s>
Algolia	B-Application
documented	O
one	O
attempt	O
to	O
remove	O
all	O
single	O
points	O
of	O
failure	O
in	O
their	O
architecture	O
and	O
proposed	O
a	O
worldwide	O
infrastructure	O
called	O
Distributed	O
Search	B-Application
Network	O
to	O
efficiently	O
reply	O
to	O
a	O
search	B-Application
query	O
from	O
any	O
location	O
.	O
</s>
<s>
The	O
DSN	O
feature	O
allows	O
to	O
set	O
the	O
locations	O
in	O
Algolia	B-Application
's	O
network	O
where	O
the	O
data	O
should	O
be	O
duplicated	O
.	O
</s>
