reCAPTCHAreCAPTCHA

reCAPTCHA Usage Statistics · Download List of All Websites using reCAPTCHA

Anti-bot CAPTCHA widget that helps digitize books by providing snippets of books for people to enter the text for. Owned by Google.

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Viewport MetaViewport Meta

Viewport Meta Usage Statistics · Download List of All Websites using Viewport Meta

This page uses the viewport meta tag which means the content may be optimized for mobile content.

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