What powers captcha.eu?
Last seen Jun 2026 · 41 technologies across 21 categories
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Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| honeypot fields | #3 | 20 |
| honeypot field | #6 | 7 |
| click farms | #43 | 3 |
| what is graymail | #40 | 3 |
| anti spam | #92 | 3 |
| headless browser | #65 | 3 |
| commercial off the shelf | #24 | 2 |
| what is nids | #29 | 2 |
| captcha stands for | #72 | 1 |
| captcha log in | #15 | 1 |
| captcha farming | #9 | 1 |
| captcha bot | #22 | 1 |
| commercial off the shelf software definition | #46 | 1 |
| cots stands for | #15 | 1 |
| what is a webform | #19 | 1 |
| what is a smurf attack | #34 | 1 |
| que es captcha | #67 | 1 |
| overload server | #15 | 1 |
| protected by recaptcha privacy terms | #73 | 1 |
| grey mail | #77 | 1 |
| form honeypot | #7 | 1 |
| why is google asking if i am a robot | #26 | 0 |
| why does captcha exist | #14 | 0 |
| your a bot | #75 | 0 |
| wordpress plugin captcha | #41 | 0 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
Audience
- 51% phone
- 49% desktop
Germany
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
6.34 / 10 · ranked #86,084 of all domains
244 referring domains · OpenPageRank
Search traffic
56 est. monthly organic visits (US)
173 keywords in Google's top 30
Core Web Vitals
| LCP | 2.4 s |
| INP | 100 ms |
| CLS | 0.05 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United States)
- CDN: Akamai
- Weight: 1.4 MB · 110 requests
- WordPress theme: visualblocks · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.captcha.eu | 35 |
| docs.captcha.eu | 14 |
Full technology history →
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