Google reCAPTCHA
reCAPTCHA
Cloudflare Bot Management
Cloudflare Bot Solutions
Microsoft Defender
HSTS
Hcaptcha
Cleantalk Spam Protect
HAproxy
Sophos Federated Signin
Sales outreach
All 209,737 of these sites already run Altcha, with the advertising services segment leading at 374 sites. Pitch the products and services that fit that exact stack.
Websites using Altcha
Security & Compliance Cybersecurity Software Visit website
ALTCHA is a privacy-first CAPTCHA alternative that blocks bots and spam without using cookies or tracking. It is fully GDPR compliant and accessible according to WCAG 2.2 AA standards.
Up to 1M sites per list · Segment by country & TLD to cover the full footprint · Unlimited report rebuilds for 1 month
- Live websites detected
- 209,737
- Countries with usage
- 160
- Top market: Netherlands
- 🇳🇱 61.5%
Altcha global heatmap
darker = more sitesAltcha usage by country
by sites detected-
01 🇳🇱 Netherlands 128,769 61.5%
-
02 🇺🇸 United States 21,019 10%
-
03 🇩🇪 Germany 13,736 6.6%
-
04 🇬🇧 United Kingdom 8,149 3.9%
-
05 🇮🇳 India 7,498 3.6%
-
06 🇨🇭 Switzerland 6,678 3.2%
-
07 🇨🇿 Czechia 5,948 2.8%
-
08 🇧🇷 Brazil 2,528 1.2%
-
09 🇫🇷 France 2,275 1.1%
-
10 🇨🇦 Canada 1,008 0.5%
And 150 more countries in the full dataset.
Need every Altcha site in one market? Unlock Altcha once and rebuild filtered reports as often as you like for a month: by country, TLD, or stack combination, each with up to 20 data points per site.
Start from $39/moAltcha usage by country group
by sites detected-
01 Western Europe 22 countries 164,363 78.4%
-
02 European Union (EU) 27 countries 156,504 74.7%
-
03 Benelux 3 countries 129,069 61.6%
-
04 English-Speaking Countries 36 countries 40,128 19.2%
-
05 North America 3 countries 22,031 10.5%
-
06 DACH 4 countries 21,173 10.1%
-
07 BRICS 10 countries 11,239 5.4%
-
08 Asia-Pacific (APAC) 28 countries 10,262 4.9%
-
09 French-Speaking Countries 19 countries 9,317 4.4%
-
10 South Asia 6 countries 7,609 3.6%
Country groups overlap: a country can belong to several at once (Germany counts toward Europe, Western Europe, the EU and DACH). Percentages are each group's share of the 209,531 sites with a known country, so they describe overlapping views of the same data and do not add up to 100%.
Top websites using Altcha
by popularity| # | Website | Popularity | StackSpend | Country | TLD |
|---|---|---|---|---|---|
| 01 |
 cuni.cz
|
7,876 | $9.64K+ | 🇺🇳 Czechia | cz |
| 02 | fortiguard.com | 12,186 | $5.29K+ | 🇨🇦 Canada | com |
| 03 | domainers.de | 12,600 | $5.27K+ | 🇩🇪 Germany | de |
| 04 | earz.com | 13,984 | $11K+ | 🇳🇱 Netherlands | com |
| 05 | bravenet.com | 14,634 | $58.66K+ | 🇨🇦 Canada | com |
| 06 | dbpedia.org | 20,131 | $8.68K+ | 🇳🇱 Netherlands | org |
| 07 | allmanufacturingjobs.com | 24,745 | $5.83K+ | 🇺🇸 United States | com |
| 08 | searchmaintenancejobs.com | 24,746 | $5.83K+ | 🇺🇸 United States | com |
| 09 | searchelectricianjobs.com | 24,747 | $5.83K+ | 🇺🇸 United States | com |
| 10 | carpentryjobs.net | 24,748 | $5.83K+ | 🇺🇸 United States | net |
| 11 | jobsinlandscaping.net | 24,749 | $5.83K+ | 🇺🇸 United States | net |
| 12 | jobsinhealthcare.com | 25,250 | $5.83K+ | 🇺🇸 United States | com |
| 13 | jobsinhospitals.org | 25,256 | $5.83K+ | 🇺🇸 United States | org |
| 14 | engineeringjobs.org | 28,076 | $5.83K+ | 🇺🇸 United States | org |
| 15 | allengineeringjobs.net | 28,077 | $5.83K+ | 🇺🇸 United States | net |
| 16 | hiringengineers.net | 28,078 | $5.83K+ | 🇺🇸 United States | net |
| 17 | jobsinenergy.net | 28,079 | $5.83K+ | 🇺🇸 United States | net |
| 18 | transportationjobs.org | 28,116 | $5.83K+ | 🇺🇸 United States | org |
| 19 | logisticsjobs.org | 28,125 | $5.83K+ | 🇺🇸 United States | org |
| 20 | allautomotivejobs.com | 28,128 | $5.83K+ | 🇺🇸 United States | com |
This is 20 of 209,737 websites. Download up to 1M sites per list as CSV, enriched with firmographics.
Companies using Altcha
sample, enriched| Company | Website | Employees | Industry | Country | Founded |
|---|---|---|---|---|---|
| Academia Unityfit |
 unityfit.com.br
|
1-10 | sports | 🇧🇷 Brazil | - |
| International Financial Services Authority |
 ifsc.org
|
5001-10000 | Accounting | 🇺🇳 - | - |
| Saen |
 saen.ch
|
501-1000 | Research | 🇨🇭 Switzerland | 1860 |
| Ecolave |
 ecolave.fr
|
51-200 | Business Consulting and Services | 🇫🇷 France | 2008 |
| TransPower |
 transpowerusa.com
|
11-50 | Renewables & Environment | 🇺🇸 United States | 2010 |
| LINAGORA |
 linagora.com
|
201-500 | Software Development | 🇫🇷 France | - |
| Fédération Des Associations D'architectes… |
 fai-ge.ch
|
1001-5000 | Industry Associations | 🇺🇳 - | - |
| KURZ México |
 kurz.com.mx
|
10001+ | Retail | 🇲🇽 Mexico | - |
| Zahnarztpraxis Vincze |
 stgallen-zahnarzt.ch
|
- | - | 🇨🇭 Switzerland | - |
| Musikverein Oberrieden |
 musikverein-oberrieden.ch
|
- | - | 🇨🇭 Switzerland | - |
| GoGo Glam Co. | gogoglamco.com | 1-10 | - | 🇺🇸 United States | - |
| Dale Carnegie France |
 dalecarnegie.fr
|
5001-10000 | professional training & coaching | 🇫🇷 France | 1913 |
| PT Eppconindo Pilar Abadi |
 eppconindo.com
|
51-200 | Construction | 🇮🇩 Indonesia | 1993 |
| INFASI ACT |
 infasi.com.mx
|
10001+ | Mental Health Care | 🇲🇽 Mexico | - |
| Pown Engineering |
 pownengineering.co.zw
|
201-500 | Construction | 🇿🇼 Zimbabwe | - |
| Novium |
 noviumwellness.com
|
11-50 | Health, Wellness & Fitness | 🇺🇸 United States | 2014 |
| Sargam Electronics |
 sargam.in
|
501-1000 | Computers and Electronics Manufacturing | 🇮🇳 India | 1994 |
| A1 IRON & STEEL RWANDA |
 a1steelrwanda.com
|
1001-5000 | Primary Metal Manufacturing | 🇷🇼 Rwanda | 2024 |
| Billykart West End |
 billykart.com.au
|
11-50 | Restaurants | 🇦🇺 Australia | 2015 |
| Odontoguimaraes |
 odontoguimaraes.com.br
|
- | - | 🇺🇳 - | - |
| Dfgdfgf |
 jop.com
|
5001-10000 | Online Audio and Video Media | 🇺🇳 - | - |
| Gamers.com |
 gamers.com
|
1-10 | Computer Games | 🇺🇳 - | 1996 |
| GFFC - Gesellschaft Für Fuß- Und… |
 gesellschaft-fuer-fusschirurgie.de
|
1001-5000 | Physicians | 🇩🇪 Germany | - |
| GLX Technologies Private Limited |
 glx.co.in
|
51-200 | IT Services and IT Consulting | 🇮🇳 India | - |
| Klinikum Main-Spessart |
 klinikum-msp.de
|
501-1000 | Hospitals and Health Care | 🇩🇪 Germany | 1963 |
| Prosolv Cardiovascular |
 prosolv.com
|
10001+ | computer software | 🇺🇸 United States | 1934 |
| Herweck AG |
 herweck.de
|
201-500 | Wholesale | 🇩🇪 Germany | 1985 |
| Christa Wittmann Immobilienwelt |
 christawittmann-immobilien.de
|
10001+ | Real Estate | 🇩🇪 Germany | - |
| Cell Gmbh |
 cell.cc
|
11-50 | Environmental Services | 🇦🇹 Austria | 2012 |
| Computer Partners |
 compar.com
|
1-10 | computer software | 🇺🇸 United States | 1987 |
| Famila Nordost |
 famila-nordost.de
|
5001-10000 | Retail | 🇩🇪 Germany | 1974 |
| ServoEnterprises |
 servoenterprises.com
|
51-200 | Engineering Services | 🇺🇳 - | - |
| Systra India |
 systra.in
|
1001-5000 | Civil Engineering | 🇮🇳 India | 2002 |
| Les 3 Brasseurs France |
 3brasseurs.com
|
501-1000 | Restaurants | 🇫🇷 France | 1986 |
| Football Club Locarno |
 fclocarno.ch
|
- | Spectator Sports | 🇨🇭 Switzerland | - |
| Akhil Medicos |
 medicos.com
|
201-500 | Hospitals and Health Care | 🇮🇳 India | - |
| Tile Studio |
 tilestudionj.com
|
1-10 | Wholesale Building Materials | 🇺🇸 United States | - |
| Callzilla - The Quality-First Customer… |
 callzilla.cx
|
1001-5000 | Outsourcing and Offshoring Consulting | 🇺🇸 United States | 2005 |
| Sportglarnerland.ch |
 sportglarnerland.ch
|
10001+ | Sports Teams and Clubs | 🇨🇭 Switzerland | 2012 |
| AVISO Conseil |
 aviso.fr
|
51-200 | Market Research | 🇫🇷 France | 1969 |
A sample of enriched company profiles. Full exports include company, social, and spend signals on every domain.
Altcha usage by industry
by TLD segment-
01 Advertising Services 374 11.1%
-
02 IT Services and IT Consulting 274 8.1%
-
03 Construction 273 8.1%
-
04 Real Estate 258 7.6%
-
05 Business Consulting and Services 248 7.3%
-
06 Retail 199 5.9%
-
07 Technology, Information and Internet 195 5.8%
-
08 Financial Services 171 5.1%
-
09 Professional Training and Coaching 166 4.9%
-
10 Software Development 158 4.7%
Altcha industry distribution chart
share by domain segmentAltcha users by company revenue
3,594 companiesTechnologies related to Altcha
Cybersecurity SoftwarePut it to work
What teams do with the Altcha list
Competitor analysis
Selling Google reCAPTCHA, reCAPTCHA, or another Cybersecurity Software product? These 210K Altcha users are your displacement audience, filterable by country and company size.
Market research
Top markets for Altcha: Netherlands (61.5%), United States (10%), Germany (6.6%). Size the Cybersecurity Software market by geography before you build or invest.
Free for non-profits, academia & data journalists - non-commercial and public-interest use, on request.
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