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Site Info - Diigo.comOverview of web technologies used by Diigo.com. Website Background Diigo - Better reading and research with annotation, highlighter, sticky notes, archiving, bookmarking & more.Diigo is a powerful research tool and a knowledge-sharing community Description on Homepage Top 100k among all websites Popularity rank 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. JavaScript PHP is a scripting language for creating websites. PHP JavaScript is a lightweight, object-oriented, cross-platform scripting language, often used within web pages. jQuery is a JavaScript library that simplifies HTML document traversing, event handling, animating and Ajax interaction. Originally developed by John Resig. jQuery 1.8.0 Semantic UI is a theme-able user interface framework. Semantic UI Nginx (pronounced as "engine X") is a lightweight open source web server developed by Igor Sysoev. Node.js is a server-side JavaScript environment for writing network programs such as web servers, originally developed by Ryan Dahl. Node.js Amazon is a US-based e-commerce and cloud computing provider. Automattic is hosting WordPress-based websites. Automattic Amazon is a US-based e-commerce and cloud computing provider. Automattic is hosting WordPress-based websites. Automattic ZoneEdit provides domain management services, owned by easyDNS. Gmail is the email service provided by Google. The SSL certificate is invalid because it is not issued for the domain where it is used. Invalid Domain Let’s Encrypt is a free, automated, and open certificate authority provided by the Internet Security Research Group. Let’s Encrypt IdenTrust is a SSL certificate authority.
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. WordPress Jetpack Stats is a visitor tracking plugin for the WordPress publishing platform. WordPress Jetpack The Google Advertising network consists of AdSense, DoubleClick and other services. Google Ads The Google Tag Manager is a Google service to support webmasters to manage tags on their websites. Google Tag Manager A Twitter Button allows a Twitter user to post a tweet from the visited site. Twitter 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. Embedded CSS Inline Cascading Style Sheets define style rules directly within an (X)HTML element using the style attribute. Inline CSS Session cookies are temporary cookies, which are deleted when the user closes the browser. Session Cookies Non-HttpOnly cookies are used in the HTTP protocol and also in client side scripts, which may be a security threat. Non-HttpOnly Cookies Secure cookies are used only via an encrypted connections, which may increase security. Secure Cookies Gzip (GNU zip) is a file compression algorithm. Brotli is a lossless compression algorithm developed by Google. Brotli Compression 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. Open Graph Twitter Cards enable automatic attachment of photos, videos and media elements to Tweets. Twitter Cards Generic RDFa (Resource Description Framework in attributes) is RDFa without further specialization. Generic RDFa Microdata is a specification to integrate metadata within existing content on web pages. Microdata Transitional version of XHTML. HTML5 is the fifth revision of the HTML standard. HTML5 UTF-8 (8-bit Unicode Transformation Format) is a variable-length character encoding for Unicode, which is backwards compatible with ASCII. GIF (Graphics Interchange Format) is a lossless compression image format, originally introduced by CompuServe and suitable to store graphics, logos and simple animations. 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 Scalable Vector Graphics (SVG) is an XML-based vector image format. SVG Commercial entities
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