Site Info - Leeds.ac.uk
Overview of web technologies used by Leeds.ac.uk.
University of Leeds
Description on Homepage
Description from Alexa
Number 18,789 of all websites according to Alexa
Main visitors locations
PHP is a popular scripting language for creating web pages.
Microsoft's Active Server Pages technology on the .NET framework.
Transitional version of XHTML.
Transitional version of HTML.
UTF-8 (8-bit Unicode Transformation Format) is a variable-length character encoding for Unicode, which is backwards compatible with ASCII.
JPEG (Joint Photographic Experts Group) is a lossy compression method suitable to store photographic images.
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.
External Cascading Style Sheets define style rules in a separate CSS file.
Session cookies are temporary cookies, which are deleted when the user closes the browser.
Persistent cookies with an expiration time of up to 1 day.
HttpOnly cookies are used only in the HTTP protocol and not in client side scripts, which may increase security.
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.
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 addresses is assigned to it, regardless of the content delivered at that address.
The Apache HTTP Server is a popular open source web server by the Apache Software Foundation.
Red Hat Enterprise Linux (RHEL) is a Linux distribution.
Google Analytics is a free service to get detailed statistics about the visitors of a website, provided by Google.
The technology score rates a site based on its technologies in a range from 0 to 100. It consists in a popularity score (how many sites use the same technologies), a traffic score (how much traffic have other sites using the same technologies) and a version score (how many sites use more recent technology versions). Quality alerts also affect the rating.