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Site Info - Web.deOverview of web technologies used by Web.de. Website Background WEB.DE - kostenlose E-Mail-Adresse, FreeMail & NachrichtenSichere Kommunikation, aktuelle Nachrichten und nützliche Online-Services - alles an einem Ort. Einfach, kostenlos und zuverlässig. automatic translation provided by Microsoft WEB.DE - Free Email Address, FreeMail & NewsSecure communication, breaking news and useful online services - all in one place. Simple, free and reliable. Description on Homepage Top 10k among all websites Popularity rank Website Quality Alerts Found on page https://www.energie.web.de/ The text-processing language "de" specified in the HTML content language attribute is not amongst the languages specified in the HTTP content-language header. Contradictory content language specifications Are you the webmaster of this site? Register as user to get quality alerts per email. Java is a general-purpose language originally developed by Sun Microsystems. Java 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 The Apache HTTP Server is an open source web server by the Apache Software Foundation. IONOS (formerly 1&1 IONOS and 1&1 Internet) is a European web hosting company owned by United Internet. IONOS IONOS (formerly 1&1 IONOS and 1&1 Internet) is a European web hosting company owned by United Internet. IONOS (formerly 1&1 IONOS and 1&1 Internet) is a European internet services company owned by United Internet. Web.de is a German internet services provider owned by United Internet. Deutsche Telekom is a German IT service provider, also operating as SSL certificate authority. This includes its subsidiary T-Systems. The Google Advertising network consists of AdSense, DoubleClick and other services. Equativ (formerly Smart AdServer) is an advertising networks for ads served on the web, mobile and tablets. Microsoft Advertising is an advertising platform by Microsoft. This includes the former brands Xandr, AppNexus, Aquantive and others. OpenX (previously called phpAds, phpAdsNew, MaxMediaManager and Openads) is an open source ad management system and ad marketplace. 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. Persistent cookies with an expiration time of up to 1 day. Persistent cookies with an expiration time between 1 month and 1 year. HttpOnly cookies are used only in the HTTP protocol and not in client side scripts, which may increase security. Non-HttpOnly cookies are used in the HTTP protocol and also in client side scripts, which may be a security threat. Secure cookies are used only via an encrypted connections, which may increase security. 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. Brotli is a lossless compression algorithm developed by Google. Brotli Compression 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 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. Open Graph Twitter/X Cards enable automatic attachment of photos, videos and media elements to tweets. Twitter/X Cards JSON-LD (JavaScript Object Notation for Linked Data) is a method of encoding Linked Data using JSON. JSON-LD 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 The Dublin Core Schema is a set of vocabulary terms that can be used to describe web resources and physical resources. Dublin Core 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. WebP is an image format that provides lossless and lossy compression, developed by Google. WebP Germany
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