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Site Info - Collaborateandlearn.org

Overview of web technologies used by Collaborateandlearn.org.

Website Background

Collaborate and Learn

Description on Homepage

Number 379,097 of all websites according to Alexa

Popularity rank

Moodle is a web-based open source course management system based on PHP.

Moodle

PHP is a popular scripting language for creating web pages.

PHP

JavaScript is a lightweight, object-oriented, cross-platform scripting language, mainly used within web pages.

JavaScript

The Yahoo! User Interface (YUI) Library is a JavaScript library developed by Yahoo. The YUI library is no longer actively maintained.

YUI Library

MathJax is a JavaScript engine for displaying mathematical formulas.

MathJax

HTML5 is the fifth revision of the HTML standard.

HTML5

Transitional version of HTML.

HTML Transitional 4.01
(used until recently)

UTF-8 (8-bit Unicode Transformation Format) is a variable-length character encoding for Unicode, which is backwards compatible with ASCII.

UTF-8

ISO-8859-1 (informally also called Latin-1) is an 8-bit character set for Western European languages.

ISO-8859-1
(used until recently)

JPEG (Joint Photographic Experts Group) is a lossy compression method suitable to store photographic images.

JPEG

External Cascading Style Sheets define style rules in a separate CSS file.

External CSS

Inline Cascading Style Sheets define style rules directly within an (X)HTML element using the style attribute.

Inline CSS

Session cookies are temporary cookies, which are deleted when the user closes the browser.

Session Cookies

HttpOnly cookies are used only in the HTTP protocol and not in client side scripts, which may increase security.

HttpOnly Cookies

Secure cookies are used only via an encrypted connections, which may increase security.

Secure Cookies

Gzip (GNU zip) is a file compression algorithm.

Gzip Compression

The websites redirects visitors to its www subdomain, e.g. from example.com to www.example.com.

Default subdomain www

The websites redirects visitors to use SSL encryption, e.g. from http://example.com/ to https://example.com/.

Default protocol https

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.

Strong ETag
(used until recently)

Microdata is a specification to integrate metadata within existing content on web pages.

Microdata
(used until recently)

Sectigo (formerly Comodo CA) is a US-based SSL certificate authority.

Sectigo

IdenTrust is a SSL certificate authority.

IdenTrust
(used until recently)

The SSL certificate is invalid because it is not issued for the domain where it is used.

Invalid Domain
(used until recently)

Nginx (pronounced as "engine X") is a lightweight open source web server developed by Igor Sysoev.

Nginx 1.10.3
(version 1.2.1 used until recently)
(73% of sites use a newer version)

The Apache HTTP Server is a popular open source web server by the Apache Software Foundation.

Apache 2.4.10
(used until recently)

Debian is a Linux distribution.

Debian
(used until recently)

Seeweb is an Italian web hosting provider.

Seeweb
hosting info based on data from ipinfo.io, see details

Non-profit organizations

.org

Italy

English

 

 

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