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Site Info - U3a.org.uk
Overview of web technologies used by U3a.org.uk.
U3A - University of the Third AgeUniversity of the Third Age
Description on Homepage
Number 510,009 of all websites according to Alexa
Joomla is an open source content management system, based on PHP and MySQL, originally forked from Mambo.
PHP is a popular scripting language for creating web pages.
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.
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.
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.
Deflate is a data compression algorithm.
QUIC (Quick UDP Internet Connections) is an experimental network protocol, originally designed by Google and submitted to IETF standardization.
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/.
Microdata is a specification to integrate metadata within existing content on web pages.
Trustwave is an IT security service provider, also operating as SSL certificate authority under various brands including SecureTrust.
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.
The LiteSpeed Web Server is a lightweight web server by LiteSpeed Technologies.
The Apache HTTP Server is a popular open source web server by the Apache Software Foundation.
Unix is a range of operating systems originally developed at Bell Labs. This contains Unix and Unix-like systems, such as Linux.
Krystal is a UK-based web hosting provider. This includes the former brands Smart Hosting, Ariotek, Blackfoot and others.
Gyron is a UK-based data center service provider owned by NTT.
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