SI CAPTCHA tracking and usage
Websites using SI CAPTCHA over time
26,908websites on 11 Nov 2026
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We track 26,908 websites using SI CAPTCHA, along with their country, traffic, industry and platforms. There are 369 websites using SI CAPTCHA in United States.
About SI CAPTCHA
SI CAPTCHA is a WordPress plugin that adds CAPTCHA verification to forms and comments to block spam.
Websites using SI CAPTCHA by countrymarket share
1.4%
🇺🇸US28%
🇩🇪DE6.9%
🇨🇭CH3.8%
🇮🇹IT3.4%
🇪🇸ES3%
🇦🇹AT2.3%
🇫🇷FR2%
🇯🇵JPWebsites using SI CAPTCHA by industrymarket share · top 6 industries
Education
Technology & Computing
Consulting
Shopping
Construction
Society
0%5%10%15%20%