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Site Info - Stackoverflow.com
Overview of web technologies used by Stackoverflow.com.
Stack Overflow - Where Developers Learn, Share, & Build CareersStack Overflow is the largest, most trusted online community for developers to learn, share their programming knowledge, and build their careers.
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Number 63 of all websites according to Alexa
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Python is a general-purpose scripting language.
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.
GIF (Graphics Interchange Format) is a lossless compression image format, originally introduced by CompuServe and suitable to store graphics, logos and simple animations.
Scalable Vector Graphics (SVG) is an XML-based vector image format.
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.
Gzip (GNU zip) is a file compression algorithm.
HTTP Strict Transport Security (HSTS) defines a mechanism enabling web sites to declare themselves accessible only via secure connections.
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.
DigiCert is an SSL certificate authority. This includes Verizon, whose Enterprise SSL Business has been acquired by DigiCert.
Google Analytics is a free service to get detailed statistics about the visitors of a website, provided by Google.
Quantcast provides visitor statistics of web sites.
Full Circle Studies collects information about general website visitation patterns as part of the ComScore market research.
The Google Advertising network consists of AdSense, DoubleClick and other services.
Fastly is a content delivery network.
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