WPoptic tracks over 22.129 live WordPress websites using SI CAPTCHA Anti-Spam Free WordPress plugin. 0.13% of the 16,936,256 sites it tracks. Explore which sites run it, see adoption by country and top-level domain and build a targeted list of companies using SI CAPTCHA Anti-Spam.
| Country | Sites | Market share |
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Based on active installations per country, sourced from the WPoptic database.
| Top Level Domain | Sites | Market share |
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22129 results available. Download your leadlist
Yes, users can download comprehensive lead lists including domain names, contact information, and additional metadata. This feature requires an account, check out our lead list page where you can create an account and get 50 credits for free!
WPoptic does the hard work for you. You can use our leadlists, websitescanner or our free browser extension.
WPoptic uses multiple detection methods including HTTP headers, HTML source analysis, JavaScript fingerprinting, and CSS pattern recognition to identify WordPress plugins across millions of websites.
Contact our team for custom requests, information or enterprise solutions.
Access a Curated Database of 22129 SI CAPTCHA Anti-Spam Websites
Leverage a Curated Database of 22129 websites using the SI CAPTCHA Anti-Spam WordPress plugin.
Access detailed analytics, download lead lists, and discover trends across 17,000+ WordPress plugins
Akismet Anti-spam: Spam Protection
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