Technology · Databases · Site Search
694 websites in the live index use Solr as of October 2026. Download the full list of Solr websites with website, company, country and language.
SourceAs of October 28, 2026, TechLeads detects Solr on 694 websites: 1.1% of Site Search detections, the 5th most-used of 19 Site Search technologies we track.
Sample results for Solr. Description is shown under each title.
| Rank | Website | Title · Description | Company | Country | Language |
|---|---|---|---|---|---|
| #40,328 | opendata.swiss | opendata.swiss | - | - | en |
| #53,537 | hri.fi | Helsinki Region Infoshare - Avoimen datan palvelu | - | - | - |
| #136,796 | mobidata-bw.de | MobiData BW® | - | - | - |
| #316,790 | open.africa | Welcome - openAFRICAAfrica | - | - | - |
| #381,203 | datamx.io | Welcome - Datamx.io | - | - | - |
| #573,199 | energydata.info | Welcome to ENERGYDATA.INFO - ENERGYDATA.INFO | - | - | - |
| #1,000,000 | donneesquebec.ca | Données Québec – Données ouvertes du Québec | - | FR | fr-FR |
| #1,174,676 | justicehub.in | Welcome - Justice HubA collaborative community of organisations and individuals working towards creating, curating and maintaining resources (commons) to advance and promote data driven legal research. | Justicehub | IN | en |
| #1,732,778 | wbwaterdata.org | wbwaterdata - World Bank Group - waterdata | - | - | - |
| #1,748,833 | indicadores.pr | indicadores.pr | 526: Invalid SSL certificate | Indicadores | US | en-US |
| #1,806,117 | hubofdata.ru | Добро пожаловать в - Хаб открытых данных | - | - | - |
| #1,856,975 | pandoradata.earth | Welcome - Pandora | Pandoradata | - | en |
| #3,293,295 | niagaraopendata.ca | Welcome - Niagara Open Data | - | - | - |
| #5,000,000 | avoindata.fi | avoindata.fiSuomi.fi Open Data is Finland’s open data catalogue. The portal gathers all open data published in Finland in a single service. Come, use it, or publish via us! | avoindata.fi | FI | fi |
| #5,000,000 | phoenixopendata.com | Welcome - City of Phoenix Open Data | - | - | - |
| #6,467,687 | detroitdata.org | Welcome - DetroitData | - | - | - |
| #6,669,939 | yamaguchi-opendata.jp | 山口県オープンデータカタログサイト山口県及び県内市町が保有するオープンデータを公開するための専用サイトです。 | - | - | - |
| #8,449,653 | sprogteknologi.dk | sprogteknologi.dkPå sprogteknologi.dk kan du finde metadata om danske sprogressourcer, use-cases og læse mere om Digitaliseringsstyrelsens arbejde med dansk sprogteknologi. | - | - | - |
| #9,897,143 | genderopendata.org | Welcome - Gender Open Data | - | - | - |
| #20 | gallarias.com | Bienvenida - dat.ar | - | - | spa |
Complete Solr website dataset in CSV. One-time purchase.
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The most-used Site Search technologies in the TechLeads index, by number of websites. Solr accounts for 1.1% of Site Search detections (694 websites).
| No. | Technology | Websites | Share of Site Search | Relative size |
|---|---|---|---|---|
| 01 | Ajax Search Lite | 41,558 | 64.7% | |
| 02 | Google Custom Search | 18,172 | 28.3% | |
| 03 | Search and Filter | 1,148 | 1.8% |
TechLeads scans public websites and identifies Solr from signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Website counts refresh daily; this page uses data from October 28, 2026. Counts only include websites we have scanned, so they can differ from other providers.
The TechLeads live index currently lists 694 websites using Solr. Open the sample table on this page or download the lead list.
The chart on this page is monthly HTTP Archive crawl detections for Solr, compared with other Databases technologies. It is not the TechLeads live index.
In the same HTTP Archive category, Solr is charted against MySQL, Firebase, Redis, MariaDB, PostgreSQL. Live-index co-occurrence on this page is a separate signal.
Companies and websites using Solr in the TechLeads index include opendata.swiss, hri.fi, mobidata-bw.de, open.africa, datamx.io. The full list of 694 websites, with company name, country and language, is available as a CSV export.
By number of websites in the TechLeads index, the most-used Site Search alternatives to Solr are Ajax Search Lite (41,558), Google Custom Search (18,172), Search and Filter (1,148).
TechLeads scans public websites and matches Solr by signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Website counts refresh daily.
Yes. A one-time Solr dataset is $29 as a CSV. The Growth plan ($79/mo) covers 10 technologies with recurring exports, alerts and API access.
Top-ranked sites on SolrRank
Monthly detections of Solr in the HTTP Archive crawl. This is historical crawl coverage, not the TechLeads live website index.
Same HTTP Archive category (Databases), not the whole web. Toggle competitors on or off.
Optional rank bands from the crawl (top 1k through long tail). Missing months are crawl gaps, not uninstalls.
Technologies most frequently detected on the same websites as Solr. Counts are websites in the live index.
Distribution of websites using Solr across countries in the TechLeads database.
| Country | Sites | Relative size |
|---|---|---|
| United States (US) | 7 | |
| Argentina (AR) | 6 | |
| Brazil (BR) | 5 | |
| Germany (DE) | 4 | |
| Australia (AU) | 4 | |
| Italy (IT) | 4 | |
| Canada (CA) | 4 | |
| United Kingdom (GB) | 2 | |
| Finland (FI) | 2 | |
| Netherlands (NL) | 2 | |
| Türkiye (TR) | 1 | |
| India (IN) | 1 |
Sites where we first detected Solr, by week (UTC, weeks start Monday). These are newly detected sites, and the counts follow our discovery coverage.
15
sites newly detected in the last 12 weeks
Solr is an open-source search platform built on Apache Lucene, used for indexing and searching large-scale datasets.
Our comprehensive database contains 694 websites using Solr, making it the most complete Solr sites list available. This Solr customer websites directory helps businesses detect websites using Solr and identify potential leads.
The largest concentrations of Solr websites are in US, AR, BR, based on our indexed country data.
Websites using Solr commonly also use Ckan, Java, PostgreSQL, Python, Lucene — reflecting typical Solr technology stacks.
Our Solr technology detection system scans millions of websites to identify those powered by Solr. This list of sites with Solr includes detailed information such as company names, contact details, social media profiles, and website rankings. Whether you're looking for top websites with Solr or exploring Solr adoption trends, our database provides comprehensive insights.
Each entry in our Solr sites list includes valuable data points: domain name, global ranking, company information, contact details, social media links. This makes it easy to detect websites using Solr and reach out to potential customers or partners.
Get instant access to the full list of sites with Solr in CSV format. Our dataset includes all 694 Solr customer websites with complete contact information, perfect for lead generation, market research, and competitive analysis. The data is regularly updated to ensure accuracy and includes the latest Solr powered websites.
| Japan (JP) | 1 |
|---|
| Spain (ES) | 1 |
|---|
| Ecuador (EC) | 1 |
|---|
| Austria (AT) | 1 |
|---|
| Kyrgyzstan (KG) | 1 |
|---|
| France (FR) | 1 |
|---|
| Poland (PL) | 1 |
|---|
| Switzerland (CH) | 1 |
|---|
| Pakistan (PK) | 1 |
|---|
| Guatemala (GT) | 1 |
|---|
| Panama (PA) | 1 |
|---|
| Ukraine (UA) | 1 |
|---|
| Romania (RO) | 1 |
|---|
| Trinidad & Tobago (TT) | 1 |
|---|
| Israel (IL) | 1 |
|---|
| Ireland (IE) | 1 |
|---|
| Indonesia (ID) | 1 |
|---|
| Chile (CL) | 1 |
|---|
