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Site Info - Codepen.io
Overview of web technologies used by Codepen.io.
CodePen - Front End Developer Playground & Code Editor in the Browser
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Number 877 of all websites according to Alexa
Ruby is a general-purpose object-oriented language originally developed by Yukihiro "Matz" Matsumoto in Japan.
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.
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.
Session cookies are temporary cookies, which are deleted when the user closes the browser.
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.
Secure cookies are used only via an encrypted connections, which may increase security.
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.
The websites redirects visitors to use SSL encryption, e.g. from http://example.com/ to https://example.com/.
Non-HttpOnly cookies are used in the HTTP protocol and also in client side scripts, which may be a security threat.
Non-secure cookies may be used via an unencrypted connections, which may be a security threat.
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.
Sectigo (formerly Comodo CA) is a US-based SSL certificate authority.
Google Analytics is a free service to get detailed statistics about the visitors of a website, provided by Google.
Mixpanel is a real-time web analytics service to track users behavior.
Nginx (pronounced as "engine X") is a lightweight open source web server developed by Igor Sysoev.
CloudFlare provides a content delivery network.
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