Udemy Stack

Udemy.com is built with the following tech stack:

Document Standards

X-UA-Compatible

Allows a website to define how a page is rendered in Internet Explorer 8, allowing a website to decide to use IE7 style rendering over IE8 rendering.

Meta Robot

This page contains a meta robots tag which tells search engines and robots to index or not index the page.

Cascading Style Sheets

Cascading Style Sheets (CSS) is a stylesheet language used to describe the presentation of a document written in a markup language. Its most common application is to style web pages written in HTML

Referrer Policy

Requests made from a document, and for navigations away from that document are associated with a Referrer header. This policy determines in the browser should send a referrer or not.

HTML5 DocType

The DOCTYPE is a required preamble for HTML5 websites.

HTML 5 Specific Tags

This page contains tags that are specific to an HTML 5 implementation.

Content Type Options

Used to disable MIME-sniffing for a particular HTTP response.

Referrer Policy

Requests made from a document, and for navigations away from that document are associated with a Referrer header. This policy determines in the browser should send a referrer or not.

Mobile

Viewport Meta

This page uses the viewport meta tag which means the content may be optimized for mobile content.

Document Encoding

UTF-8

UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.

Language

United States HREF LANG

This webpage has alternate versions available in United States via the use of the hreflang tag.

Germany HREF LANG

This webpage has alternate versions available in Germany via the use of the hreflang tag.

Spain HREF LANG

This webpage has alternate versions available in Spain via the use of the hreflang tag.

France HREF LANG

This webpage has alternate versions available in France via the use of the hreflang tag.

Indonesian HREF LANG

This webpage has alternate versions available in Indonesian via the use of the hreflang tag.

Italy HREF LANG

This webpage has alternate versions available in Italy via the use of the hreflang tag.

Japan HREF LANG

This webpage has alternate versions available in Japan via the use of the hreflang tag.

Korea HREF LANG

This webpage has alternate versions available in Korea via the use of the hreflang tag.

Netherlands HREF LANG

This webpage has alternate versions available in Netherlands via the use of the hreflang tag.

Poland HREF LANG

This webpage has alternate versions available in Poland via the use of the hreflang tag.

Portugal HREF LANG

This webpage has alternate versions available in Portugal via the use of the hreflang tag.

Romanian HREF LANG

This webpage has alternate versions available in Romanian via the use of the hreflang tag.

Russia HREF LANG

This webpage has alternate versions available in Russia via the use of the hreflang tag.

Thai HREF LANG

This webpage has alternate versions available in Thai via the use of the hreflang tag.

Turkey HREF LANG

This webpage has alternate versions available in Turkey via the use of the hreflang tag.

Vietnamese HREF LANG

This webpage has alternate versions available in Vietnamese via the use of the hreflang tag.

China HREF LANG

This webpage has alternate versions available in China via the use of the hreflang tag.

Taiwan HREF LANG

This webpage has alternate versions available in Taiwan via the use of the hreflang tag.

SSL Certificates

HSTS

Forces browsers to only communicate with the site using HTTPS.