Anti-bot CAPTCHA widget that helps digitize books by providing snippets of books for people to enter the text for. Owned by Google.
Iubenda is the most stylish and effective way to generate a privacy policy for your website. Every website needs a privacy policy; it’s the law, everywhere in the world. Today privacy policies don’t work: boring to read, a chore to write. No privacy policy means you risk terrible fines, and you can’t rely on copy and paste....
This site uses the viewport meta tag which means the content may be optimized for mobile content.
Network infrastructure from One Communications based in the US.
Website using the € symbol on their website - meaning it may accept payment in Euros.
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.
Meta descriptions are HTML attributes that provide concise explanations of the contents of web pages. Meta descriptions are commonly used on search engine result pages (SERPs) to display preview snippets for a given 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.
A canonical link element is an HTML element that helps webmasters prevent duplicate content issues by specifying the "canonical", or "preferred".
Chrome for Android, since version 39 supports the "theme-color" meta tag to allow websites control the background color of the tab's UI header.
This page contains a meta robots tag which tells search engines and robots to index or not index the page.
Open graph description entity tag
The Open Graph protocol enables any web page to become a rich object in a social graph, a open protocol supported by Facebook