Anti-bot CAPTCHA widget that helps digitize books by providing snippets of books for people to enter the text for. Owned by Google.
CloudFlare is a global CDN and DNS provider that can speed up and protect any site online.
Google APIs are application programming interfaces developed by Google which allow communication with Google Services and their integration to other services.
websites using the $ symbol on their website - meaning it may accept payment in this currency used in Israel.
Google's hosted library for web fonts. Allows websites to choose and use fonts from a free, wide variety of fonts.