Websites using Solr

Q: How current is this data?

The figures on this page come from our September 2026 crawl. VersionDB runs a fresh crawl every month, and the database spans multiple monthly crawls.

Q: Can I download a list of Solr websites?

Yes. The Lead List Exporter lets you filter the 431 Solr sites by country, traffic and contact details, see the row count for free, and pay once for the rows you export. To try it first, the Free Lead List Exporter exports up to 10 matching domains at no cost, from a subset of our crawl.

Databases

Solr is an open-source enterprise-search platform, written in Java.

Lead List Exporter

431 live Solr sites, ready to export.

That's how many Solr websites are in VersionDB right now, each with its full tech stack, contact details, and social profiles.

Pick a ready-made template, or build your own filters in the Lead List Exporter and pay only for the rows you export.

Open the Lead List Exporter

Just need a few domains? Export up to 10 free from a subset of our crawl.

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Solr companies in Brazil

Every Solr website we detected in Brazil.

Companies with personnel emails

Only sites where a personal, company-hosted email was found.

Decision makers on LinkedIn

Sites with at least one personnel LinkedIn profile.

Top 100,000 Solr sites by traffic

Start with the highest-traffic end of the dataset.

Sites on a .com domain

Limit results to Solr websites on .com domains.

Companies with phone numbers

Only sites where an organisation phone number was found.

Create your own

Live Websites

Websites Using Solr

A sample of live Solr sites from our latest crawl, with the other technologies each one runs.

Open in the Lead List Exporter

Domain	Also runs	Crawl Date
dadosabertos.sp.gov.br	jQuery Nginx Bootstrap Java Python	September 27, 2026
opendatabozp.cz	jQuery Nginx Bootstrap Google Analytics Java	September 27, 2026
danube-data.eu	jQuery Nginx Bootstrap Java Ubuntu	September 26, 2026
dados.sc.gov.br	jQuery Nginx Bootstrap Google Analytics Java	September 24, 2026
datar.info	jQuery Nginx Bootstrap Google Analytics Java	September 23, 2026
wbwaterdata.org	jQuery Nginx HSTS Bootstrap Cloudflare	September 23, 2026
dati.lazio.it	jQuery Nginx HSTS Bootstrap Java	September 22, 2026
publications.qld.gov.au	jQuery HTTP/3 Nginx HSTS Bootstrap	September 21, 2026
cryptodata.center	jQuery Bootstrap Java Python PostgreSQL	September 21, 2026
opendata-hro.de	jQuery HSTS Apache HTTP Server Bootstrap Java	September 20, 2026

How many websites use Solr?

We found Solr on 431 websites in our September 2026 crawl, across 57 countries.

Which countries use Solr the most?

By number of websites, the top countries are Brazil (12%, 51 sites), Japan (9%, 38 sites), Thailand (9%, 38 sites), Italy (7%, 29 sites) and Spain (6%, 28 sites). Together they account for 43% of the 431 Solr sites we track. 20% of the sites are in English, and .br is the most used domain ending, on 12% of them.

Where are Solr websites hosted?

The networks carrying the most Solr sites are Amazon.com, Inc. (49 sites), Cloudflare, Inc. (26 sites) and Hetzner Online GmbH (20 sites).

What technologies are used with Solr?

Across the 431 Solr sites we track, the technologies most often found alongside it are Bootstrap (100%, 431 sites), Ckan (100%, 431 sites), Java (100%, 431 sites), PostgreSQL (100%, 431 sites) and Python (100%, 431 sites).

Deep Dive

Breakdown of Solr websites

What else they run, plus their language, hosting network, domain extension and country.

Technology	Sites
Bootstrap	431
Ckan	431
Java	431
PostgreSQL	431
Python	431
jQuery	431
Nginx	308
HSTS	222
Google Analytics	198
PHP	179
Select2	138
Apache HTTP Server	131
Ubuntu	127
MySQL	111
WordPress	111
jQuery Migrate	109
jQuery UI	102
Cloudflare	97
jsDelivr	93
jQuery CDN	73
cdnjs	68
HTTP/3	65
Google Tag Manager	63
reCAPTCHA	60
Popper	57

Language	Sites
English	87
Spanish	68
Portuguese	52
Thai	37
Japanese	36
Italian	29
Indonesian	22
French	11
German	10
Ukrainian	7
Greek	6
Southern Sotho	5
Catalan	4
Finnish	4
Norwegian Nynorsk	4
Chinese	4
Bosnian	3
Basque	3
Malay	3
Dutch	3
Russian	3
Vietnamese	3
Afrikaans	2
Czech	2
Welsh	2

ASN	Sites
Amazon.com, Inc.	49
Cloudflare, Inc.	26
Hetzner Online GmbH	20
Microsoft Corporation	14
DigitalOcean, LLC	9
Rede Nacional de Ensino e Pesquisa	9
Google LLC	8
Telefonica De Espana S.a.u.	7
Fastweb	6
National Telecom Public Company Limited	6
OVH SAS	6
Empresa Argentina de Soluciones Satelitales S.A.	5
Incapsula Inc	5
Oracle Corporation	5
PT Telekomunikasi Indonesia	5
SAKURA Internet Inc.	5
Consortium GARR	4
Digimat S.P.A.	4
Government Information Technology Services	4
Hostinger International Limited	4
SERVICO FEDERAL DE PROCESSAMENTO DE DADOS - SERPRO	4
Telecom Argentina S.A.	4
Akamai Connected Cloud	3
Dinas Perhubungan,komunikasi, informasi dan Telematika -NAD	3
Fastly, Inc.	3

TLD	Sites
br	51
th	36
jp	34
it	28
ar	27
org	27
id	25
es	17
com	11
de	11
ca	10
gr	10
eu	8
ua	7
ie	6
net	6
au	5
cat	5
uk	5
info	4
io	4
mx	4
nl	4
ec	3
fi	3

Country	Sites
🇧🇷 Brazil	51
🇯🇵 Japan	38
🇹🇭 Thailand	38
🇮🇹 Italy	29
🇪🇸 Spain	28
🇦🇷 Argentina	27
🇮🇩 Indonesia	25
🇩🇪 Germany	22
🇺🇸 United States	22
🇬🇧 United Kingdom	13
Unknown	13
🇨🇦 Canada	11
🇬🇷 Greece	10
🇮🇪 Ireland	8
🇺🇦 Ukraine	7
🇫🇷 France	6
🇦🇺 Australia	5
🇲🇽 Mexico	5
🇳🇱 Netherlands	4
🇵🇱 Poland	4
🇹🇼 Taiwan	4
🇧🇪 Belgium	3
🇪🇨 Ecuador	3
🇫🇮 Finland	3
🇳🇿 New Zealand	3