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Site Info - Schoolyourself.org

Overview of web technologies used by Schoolyourself.org.

Website Background

School Yourself - Free online math lessons
Interactive online math videos, lessons, and tutoring. Algebra, geometry, trigonometry, precalculus, and calculus!

Description on Homepage

Top 1m among all websites

Popularity rank

Website Quality Alerts

Found on page https://schoolyourself.org/
The character encoding seems to be "UTF-8", but it is not defined.

Missing character encoding definition

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Blogger is a hosted blog publishing system, owned by Google.

Blogger
used on a subdomain

Python is a general-purpose scripting language.

Python 2.7.6
86% of sites use a newer version
used on inner pages

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

JavaScript

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

Apache 2.4.7
63% of sites use a newer version

BaseHTTPServer is a Python module for implementing web servers.

BaseHTTPServer 0.3
67% of sites use a newer version
used on inner pages

Google develops a range of web servers for their web infrastructure.

Google Servers
used on a subdomain

Ubuntu is a Linux distribution.

Ubuntu

Amazon is a US-based e-commerce and cloud computing provider.

Amazon

Google provides various services to run on its servers.

Google
used on a subdomain
hosting info partly based on data from ipinfo.io

Amazon is a US-based e-commerce and cloud computing provider.

Amazon

Google provides various services to run on its servers.

Google
used on a subdomain

Amazon is a US-based e-commerce and cloud computing provider.

Amazon

Gmail is the email service provided by Google.

Gmail

Starfield Technologies is an SSL certificate authority owned by Go Daddy.

Starfield

GlobalSign is an IT security service provider, also operating as SSL certificate authority.

GlobalSign
used on a subdomain

Google Analytics is a free service to get detailed statistics about the visitors of a website, provided by Google. This includes the Ads conversion tracking and the Floodlight services.

Google Analytics

The Google Tag Manager is a Google service to support webmasters to manage tags on their websites.

Google Tag Manager

Facebook Social Plugins provide a way for Facebook users to share web pages with their friends.

Facebook
used on a subdomain

A Twitter Button allows a Twitter user to post a tweet from the visited site.

Twitter
used on a subdomain

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
used on inner pages

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

Inline CSS

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
used on a subdomain

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 on a subdomain

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

HTTP/2

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

Default protocol https

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

Generic RDFa (Resource Description Framework in attributes) is RDFa without further specialization.

Generic RDFa

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

Microdata
used on a subdomain

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

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

GIF

Organizations

.org

United States
Germany
used on a subdomain

 

 

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