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Site Info - Nga.govOverview of web technologies used by Nga.gov. Website Background National Gallery of ArtThe National Gallery of Art serves the nation by welcoming all people to explore and experience art, creativity, and our shared humanity. Admission is always free. Description on Homepage Top 100k among all websites Popularity rank Drupal is an open source content management system written in PHP, originally developed by Dries Buytaert. Drupal 10 Adobe Commerce (previously Magento) is an e-commerce platform based on PHP, owned by Adobe.
Adobe Experience Manager is a multi-channel content management system.
PHP is a scripting language for creating websites. Java is a general-purpose language originally developed by Sun Microsystems.
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.
Bootstrap is an open source HTML, CSS, and JavaScript framework.
Underscore is a JavaScript library that provides functional programming support.
Moment.js is a library to manipulate dates in JavaScript.
RequireJS is a JavaScript file and module loader.
Handlebars is a JavaScript template engine largely compatible with Mustache.
Knockout is an open source JavaScript library for creating rich user interfaces.
Bootstrap is an open source HTML, CSS, and JavaScript framework.
Nginx (pronounced as "engine X") is a lightweight open source web server developed by Igor Sysoev. The Apache HTTP Server is an open source web server by the Apache Software Foundation. Cloudflare Server is a web server developed by Cloudflare. Ubuntu is a Linux distribution. Acquia provides Drupal hosting. Acquia Cloudflare provides a content delivery network. Amazon CloudFront is a content delivery web service by Amazon.
Sucuri offers various types of website protection services.
Microsoft is a multinational technology company headquartered in USA, also offering email services. GlobalSign is an IT security service provider, also operating as SSL certificate authority. jsDelivr is a service for hosting JavaScript files.
New Relic is a web application performance management tool. Mouseflow is a live click tracking and website analytics service. 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.
Meta Pixel (formerly Facebook Pixel) is an analytics tool to track actions on websites.
Lucky Orange is a website visitor tracking platform.
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. Inline Cascading Style Sheets define style rules directly within an (X)HTML element using the style attribute. Gzip (GNU zip) is a file compression algorithm. The Internet Protocol version 6 (IPv6) provides amongst others a vastly larger address space than the preceding version 4. We consider a website to support IPv6 if a 128-bit address is assigned to it, regardless of the content delivered at that address. HTTP/2 is the second major version of the HTTP network protocol. 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/. Embedded Cascading Style Sheets define a set of style rules in a <style> element within a web page.
HTTP/3 is the third major version of the HTTP network protocol, derived from the QUIC protocol.
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/X 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. 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.
WebP is an image format that provides lossless and lossy compression, developed by Google.
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