Anti-bot CAPTCHA widget that helps digitize books by providing snippets of books for people to enter the text for. Owned by Google.
React is a JavaScript library by Facebook for building user interfaces. React abstracts away the DOM from you, giving a simpler programming model and better performance. React can also render on the server using Node, and it can power native apps using React Native.
RequireJS is a JavaScript file and module loader. It is optimized for in-browser use, but it can be used in other JavaScript environments, like Rhino and Node.
Google Tag Manager makes it easy for marketers to add and update website tags including analytics, remarketing, and more.
Google+ Sign-In button allows users to authenticate on websites using their Google+ account.
Google+ platform websites integration using the Google+ platform tag.
VideoJS is an HTML5 Video Player, built with Javascript and CSS, with a fallback to a Flash video player for when the browser doesn't support HTML5 video.
Send live or pre-recorded audio and video to iPad, iPhone, iPod touch, and Mac using an ordinary web server.
nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.
PayPal is a American international e-commerce service that enables companies and individuals to send money and to accept payments without revealing any financial details.
Websites that accepts payments with American Express.
websites using the $ symbol on their website - meaning it may accept payment in this currency used in Israel.
Content Security Policy is best used as defense-in-depth, to reduce the harm caused by content injection attacks.
The website contains Adobe Flash content embeded without the use of JavaScript.
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.
UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.
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.
A canonical link element is an HTML element that helps webmasters prevent duplicate content issues by specifying the "canonical", or "preferred".
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
Google's hosted library for web fonts. Allows websites to choose and use fonts from a free, wide variety of fonts.