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Site Info - E-learningforkids.org

Overview of web technologies used by E-learningforkids.org.

Website Background

e-learning for kids

Description on Homepage

5 March 2003

Online since

Number 193,308 of all websites according to Alexa

Popularity rank

CountryVisitorsCountry Rank
United States32.2%84,627
India16.8%114,406
Pakistan6.3%27,431
CityVisitorsCity Rank
New York, NY, US4.1%72,341
Los Angeles, CA, US2.4%96,275
Dallas-Fort Worth, TX, US1.6%45,948

Main visitors locations

Squarespace is a hosted web publishing platform originally developed by Anthony Casalena.

Squarespace

Java is a general-purpose language originally developed by Sun Microsystems.

Java

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

JavaScript

jQuery is a JavaScript library that simplifies HTML document traversing, event handling, animating and Ajax interaction. Originally developed by John Resig.

jQuery 2.2.0
(version 1.10.2 used until recently)
(9% of sites use a newer version)

Bootstrap is an open source HTML, CSS, and JavaScript framework.

Bootstrap
(used until recently)

HTML5 is the fifth revision of the HTML standard.

HTML5

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

UTF-8

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.

PNG

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

JPEG
(used until recently)

GIF (Graphics Interchange Format) is a lossless compression image format, originally introduced by CompuServe and suitable to store graphics, logos and simple animations.

GIF
(used until recently)

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

External CSS

Embedded Cascading Style Sheets define a set of style rules in a <style> element within a web page.

Embedded 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

Non-HttpOnly cookies are used in the HTTP protocol and also in client side scripts, which may be a security threat.

Non-HttpOnly Cookies

Non-secure cookies may be used via an unencrypted connections, which may be a security threat.

Non-Secure Cookies

Gzip (GNU zip) is a file compression algorithm.

Gzip Compression

A weak ETag is an HTTP header field for validation of cached web pages, that indicates a semantically equivalent page in the cache.

Weak ETag

HTTP Strict Transport Security (HSTS) defines a mechanism enabling web sites to declare themselves accessible only via secure connections.

HTTP Strict Transport Security

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

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.

IPv6
(used until recently)

HTTP/2 is the second major version of the HTTP network protocol.

HTTP/2
(used until recently)

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.

Open Graph

Twitter Cards enable automatic attachment of photos, videos and media elements to Tweets.

Twitter Cards

JSON-LD (JavaScript Object Notation for Linked Data) is a method of encoding Linked Data using JSON.

JSON-LD

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

Microdata

IdenTrust is a SSL certificate authority.

IdenTrust

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

Sectigo
(used until recently)

Google Hosted Libraries (formerly called Google Libraries API) is a content distribution network for the most popular, open-source JavaScript libraries, provided by Google.

Google Hosted Libraries

The CDNJS is a content distribution network, hosting a large number of JavaScript libraries, provided by CloudFlare.

CDNJS
(used until recently)

Google Analytics is a free service to get detailed statistics about the visitors of a website, provided by Google.

Google Analytics
(used until recently)

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

Nginx
(used until recently)

Ubuntu is a Linux distribution.

Ubuntu
(used until recently)

Squarespace is a hosted web publishing platform.

Squarespace

TransIP is a Dutch web hosting provider.

TransIP
(used until recently)
hosting info based on data from ipinfo.io, see details

CloudFlare provides a content delivery network.

CloudFlare
(used until recently)

Non-profit organizations

.org

United States
Netherlands
(used until recently)

English

 

 

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