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.
Really Simple Discovery is a way to help client software find the services needed to read, edit, or "work with" weblogging software.
websites using the $ symbol on their website - meaning it may accept payment in this currency used in Israel.
The DOCTYPE is a required preamble for HTML5 websites.
Allows a website to define how a page is rendered in Internet Explorer 8, allowing a website to decide to use IE7 style rendering over IE8 rendering.
Websites using https protocol.
UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.
Wesites using favicon rel tag
This page contains a meta robots tag which tells search engines and robots to index or not index the page.
Indicates that the site provides an interface specifically for searching the document and its related resources.