Websites using some form of Captcha technology on them.
Anti-bot CAPTCHA widget that helps digitize books by providing snippets of books for people to enter the text for. Owned by Google.
jQuery UI is a curated set of user interface interactions, effects, widgets, and themes built on top of the jQuery JavaScript Library. Whether you're building highly interactive web applications or you just need to add a date picker to a form control.
Modernizr is a JavaScript library that detects HTML5 and CSS3 features in the user’s browser and allows you to target specific browser functionality in your stylesheet.
Sleek, intuitive, and powerful mobile first front-end framework for faster and easier web development.
This site uses the viewport meta tag which means the content may be optimized for mobile content.
DontGo shows popups when user is about to leave a website to try and keep him engaged.
Websites hosted on Amazon AWS US west 2 region
Amazon Route 53 is a highly available and scalable Domain Name System (DNS) web service.
websites using the $ symbol on their website - meaning it may accept payment in this currency used in Israel.
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.
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.
Meta Keywords are a specific type of meta tag that appear in the HTML code of a Web page and help tell search engines what the topic of the page is.
Google's hosted library for web fonts. Allows websites to choose and use fonts from a free, wide variety of fonts.