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Site Info - Coursera.orgOverview of web technologies used by Coursera.org. Website Background Coursera | Degrees, Certificates, & Free Online CoursesLearn new job skills in online courses from industry leaders like Google, IBM, & Meta. Advance your career with top degrees from Michigan, Penn, Imperial & more. Description on Homepage Top 10k among all websites Popularity rank Gatsby is an open source static website generator based on React and GraphQL. Gatsby 2.24.82 WordPress is an open source blog publishing and content management system, based on PHP and MySQL. WordPress JavaScript is a lightweight, object-oriented, cross-platform scripting language. Static websites don't use any server-side programming language for generating web pages, but deliver fixed content which is created manually or with an offline tool. static files PHP is a scripting language for creating websites. PHP JavaScript is a lightweight, object-oriented, cross-platform scripting language, often used within web pages. React is an open source JavaScript library for building user interfaces, developed by Facebook. React jQuery is a JavaScript library that simplifies HTML document traversing, event handling, animating and Ajax interaction. Originally developed by John Resig. jQuery Bootstrap is an open source HTML, CSS, and JavaScript framework. Bootstrap Modernizr is a JavaScript library that detects HTML5 and CSS3 features in the visitors browser. Modernizr Bootstrap is an open source HTML, CSS, and JavaScript framework. Bootstrap Node.js is a server-side JavaScript environment for writing network programs such as web servers, originally developed by Ryan Dahl. Envoy Proxy is a proxy server designed for large service-oriented architectures. Nginx (pronounced as "engine X") is a lightweight open source web server developed by Igor Sysoev. Nginx Amazon is a US-based e-commerce and cloud computing provider. Amazon Amazon is a US-based e-commerce and cloud computing provider. Amazon CloudFront is a content delivery web service by Amazon. Amazon is a US-based e-commerce and cloud computing provider. Gmail is the email service provided by Google. Starfield Technologies is an SSL certificate authority owned by Go Daddy. Google Analytics is a free service to get detailed statistics about the visitors of a website, provided by Google. This includes the Ads conversion tracking and the Floodlight services. Google Analytics Microsoft UET (Universal Event Tracking) records what visitors do on a website after they click on an ad. Microsoft UET The LinkedIn Insight Tag helps to optimize LinkedIn campaigns. LinkedIn Insight Tag WordPress Jetpack Stats is a visitor tracking plugin for the WordPress publishing platform. WordPress Jetpack Gauges is a website analytics tool. Gauges The Google Advertising network consists of AdSense, DoubleClick and other services. Google Ads AdRoll is an advertising network for retargeting and other advertising formats. AdRoll The Google Tag Manager is a Google service to support webmasters to manage tags on their websites. Google Tag Manager Facebook Social Plugins provide a way for Facebook users to share web pages with their friends. Facebook A Twitter Button allows a Twitter user to post a tweet from the visited site. Twitter LinkedIn Share Buttons enable visitors to to share website content with their LinkedIn network. LinkedIn External Cascading Style Sheets define style rules in a separate CSS file. Embedded Cascading Style Sheets define a set of style rules in a <style> element within a web page. Inline Cascading Style Sheets define style rules directly within an (X)HTML element using the style attribute. Persistent cookies with an expiration time between 1 day and 1 month. Cookies expiring in days Persistent cookies with an expiration time between 1 month and 1 year. Cookies expiring in months Non-HttpOnly cookies are used in the HTTP protocol and also in client side scripts, which may be a security threat. Non-HttpOnly Cookies Non-secure cookies may be used via an unencrypted connections, which may be a security threat. Non-Secure Cookies Gzip (GNU zip) is a file compression algorithm. A strong ETag is an HTTP header field for validation of cached web pages, that indicates a byte-for-byte identical page in the cache. Strong ETag A weak ETag is an HTTP header field for validation of cached web pages, that indicates a semantically equivalent page in the cache. HTTP/3 is the third major version of the HTTP network protocol, derived from the QUIC protocol. HTTP/3 HTTP Strict Transport Security (HSTS) defines a mechanism enabling web sites to declare themselves accessible only via secure connections. HTTP Strict Transport Security The websites redirects visitors to its www subdomain, e.g. from example.com to www.example.com. The websites redirects visitors to use SSL encryption, e.g. from http://example.com/ to https://example.com/. The Open Graph protocol, originally developed by Facebook, is an RDFa-based format that enables any web page to become a rich object in a social graph. Twitter Cards enable automatic attachment of photos, videos and media elements to Tweets. JSON-LD (JavaScript Object Notation for Linked Data) is a method of encoding Linked Data using JSON. Generic RDFa (Resource Description Framework in attributes) is RDFa without further specialization. HTML5 is the fifth revision of the HTML standard. UTF-8 (8-bit Unicode Transformation Format) is a variable-length character encoding for Unicode, which is backwards compatible with ASCII. Scalable Vector Graphics (SVG) is an XML-based vector image format. PNG (Portable Network Graphics) is a lossless compression image format, suitable to store graphics with uniformly colored areas, and originally introduced as a free, open-source successor of GIF. PNG JPEG (Joint Photographic Experts Group) is a lossy compression method suitable to store photographic images. JPEG GIF (Graphics Interchange Format) is a lossless compression image format, originally introduced by CompuServe and suitable to store graphics, logos and simple animations. GIF Organizations United States
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