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Site Info - Ada.govOverview of web technologies used by Ada.gov. Website Background The Americans with Disabilities Act | ADA.govDisability rights are civil rights. From voting to parking, the ADA is a law that protects people with disabilities in many areas of public life. Description on Homepage Top 100k among all websites Popularity rank Jekyll is an open source static website generator written in Ruby by Tom Preston-Werner. Jekyll 4.3.2 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. JavaScript is a lightweight, object-oriented, cross-platform scripting language, often used within web pages. Amazon CloudFront is a content delivery web service by Amazon. Amazon CloudFront Cloudflare provides DNS servers and other web services. 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. 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. 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. 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 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. 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. 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. United States Government United States
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