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Site Info - Libretexts.org
Overview of web technologies used by Libretexts.org.
LibreTexts - Free The Textbook
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GitHub Pages is a web page creation and hosting service by GitHub.
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.
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 weak ETag is an HTTP header field for validation of cached web pages, that indicates a semantically equivalent page in the cache.
The websites redirects visitors to use SSL encryption, e.g. from http://example.com/ to https://example.com/.
HTTP/2 is the second major version of the HTTP network protocol.
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.
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.
Nginx (pronounced as "engine X") is a lightweight open source web server developed by Igor Sysoev.
Ubuntu is a Linux distribution.
GitHub offers project repository hosting and also site hosting services.
DigitalOcean is a US-based web hosting provider.
Fastly is a content delivery network.
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