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Site Info - Norton.comOverview of web technologies used by Norton.com. Website Background Official Site | Norton™ - Antivirus & Anti-Malware SoftwareNorton™ provides industry-leading antivirus and security software for your PC, Mac, and mobile devices. Download a Norton™ 360 plan - protect your devices against viruses, ransomware, malware and other online threats. Description on Homepage Top 10k among all websites Popularity rank Adobe Experience Manager is a multi-channel content management system. Drupal is an open source content management system written in PHP, originally developed by Dries Buytaert. Drupal 7.96 Java is a general-purpose language originally developed by Sun Microsystems. PHP is a scripting language for creating websites. PHP JavaScript is a lightweight, object-oriented, cross-platform scripting language. JavaScript 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 3.7.1 Bootstrap is an open source HTML, CSS, and JavaScript framework. 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 Node.js is a server-side JavaScript environment for writing network programs such as web servers, originally developed by Ryan Dahl. Node.js Microsoft is a multinational technology company headquartered in USA. Zoho provides web hosting and a range of other web services. Zoho Microsoft is a multinational technology company headquartered in USA. Zoho provides a range of web services. Zoho Akamai is a content delivery network. This includes the former brand Instart Logic. Fastly is a content delivery network. Fastly Vercara (formerly Neustar) offers DNS services under the UltraDNS brand. Microsoft is a multinational technology company headquartered in USA, also offering email services. Zoho provides email services and other internet-based services. Zoho DigiCert is an SSL certificate authority. This includes Verizon, whose Enterprise SSL Business has been acquired by DigiCert. 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 Hosted Libraries (formerly called Google Libraries API) is a content distribution network for the most popular, open-source JavaScript libraries, provided by Google. Google Hosted Libraries The jQuery CDN hosts copies of the jQuery library, provided by MaxCDN. jQuery CDN 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. Microsoft UET (Universal Event Tracking) records what visitors do on a website after they click on an ad. 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. Adobe DTM (Dynamic Tag Management) is a tag management system by Adobe, part of Abode Analytics. This includes Satellite, previously owned by Search Discovery, and Adobe TagManager. Ensighten is a website tag management system owned by CHEQ. This includes TagMan, which has been acquired by Ensighten. Ensighten 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. Session cookies are temporary cookies, which are deleted when the user closes the browser. Session Cookies Persistent cookies with an expiration time of up to 1 day. Cookies expiring in hours HttpOnly cookies are used only in the HTTP protocol and not in client side scripts, which may increase security. 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. 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. Weak ETag 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 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. Microdata is a specification to integrate metadata within existing content on web pages. Microdata HTML5 is the fifth revision of the HTML standard. Transitional version of HTML.
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. WebP is an image format that provides lossless and lossy compression, developed by Google. WebP Commercial entities
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