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Site Info - Ntp.orgOverview of web technologies used by Ntp.org. Website Background Welcome to the home of the Network Time Protocol (NTP) Project.The NTP Project conducts Research and Development in NTP, a protocol designed to synchronize the clocks of computers over a network to a common timebase. Description on Homepage Top 1k among all websites Popularity rank Hugo is an open source static website generator written in Go. Hugo 0.83.1 Foswiki is an open source wiki engine written in Perl, originally forked from TWiki. Foswiki 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. Perl is a general-purpose, interpreted language, nowadays also used to create web pages. Perl 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 2.2.4 The Apache HTTP Server is an open source web server by the Apache Software Foundation. Nginx (pronounced as "engine X") is a lightweight open source web server developed by Igor Sysoev. Nginx 1.20.1 Deft (formerly ServerCentral) is a US-based web hosting provider. Deft Deft (formerly ServerCentral) is a US-based web hosting provider. Let’s Encrypt is a free, automated, and open certificate authority provided by the Internet Security Research Group. 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. The Google Advertising network consists of AdSense, DoubleClick and other services. The Google Tag Manager is a Google service to support webmasters to manage tags on their websites. 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. Session cookies are temporary cookies, which are deleted when the user closes the browser. Session Cookies HttpOnly cookies are used only in the HTTP protocol and not in client side scripts, which may increase security. HttpOnly 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 Non-secure cookies may be used via an unencrypted connections, which may be a security threat. Non-Secure Cookies 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. HTTP Strict Transport Security (HSTS) defines a mechanism enabling web sites to declare themselves accessible only via secure connections. HTTP Strict Transport Security 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. Generic RDFa (Resource Description Framework in attributes) is RDFa without further specialization. Generic RDFa 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. 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. JPEG (Joint Photographic Experts Group) is a lossy compression method suitable to store photographic images. Scalable Vector Graphics (SVG) is an XML-based vector image format. 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
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