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Removed Slick
Anti-bot CAPTCHA widget that helps digitize books by providing snippets of books for people to enter the text for. Owned by Google.
Polyfill is a service which accepts a request for a set of browser features and returns only the polyfills that are needed by the requesting browser.
This site uses the viewport meta tag which means the content may be optimized for mobile content.
CloudFlare is a global CDN and DNS provider that can speed up and protect any site online.
A rich hosted Exchange environment for every user without having to manage a server.
nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.
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.
Content Security Policy is best used as defense-in-depth, to reduce the harm caused by content injection attacks.
UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.
This page contains a meta robots tag which tells search engines and robots to index or not index the page.
The http-equiv attribute provides an HTTP header for the information/value of the content attribute. The http-equiv attribute can be used to simulate an HTTP response header.
Sites who has this tag are verfied by google to use WebMaster tools
The Open Graph protocol enables any web page to become a rich object in a social graph, a open protocol supported by Facebook