Linkedin.com is built with the following tech stack:
Document Standards
Open Graph Protocol
The Open Graph protocol enables any web page to become a rich object in a social graph, a open protocol supported by Facebook
Meta Description
The description attribute provides a concise explanation of the page content.
Twitter Cards
Twitter cards make it possible for you to attach media experiences to Tweets that link to your content.
Meta Robot
This page contains a meta robots tag which tells search engines and robots to index or not index the page.
Canonical Content Tag
Public specification of a preferred URL for a page allows search engines to understand the original location for content.
HREF Lang
Contains language specific links.
Web App Manifest
Defines the attributes of a web app in a simple JSON file. It describes how the web app should appear on the users system and how it should launch.
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
Javascript Defer
The defer attribute gives a hint to the browser that the script does not create any content so the browser can optionally defer interpreting the script. This can improve performance by delaying execution of scripts until after the body content is parsed and rendered.
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 Security Policy
Content Security Policy is a computer security concept, to prevent cross-site scripting XSS attacks.
Report URI CSP
Report-uri directive instructs the user agent to report attempts to violate the Content Security Policy.
Content Type Options
Used to disable MIME-sniffing for a particular HTTP response.
Strict Transport Security
The HTTP Strict-Transport-Security (HSTS) header instructs the browser to only use https.
Mobile
Viewport Meta
This page uses the viewport meta tag which means the content may be optimized for mobile content.
Language
Germany HREF LANG
This webpage has alternate versions available in Germany via the use of the hreflang tag.
United States HREF LANG
This webpage has alternate versions available in United States 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.
India HREF LANG
This webpage has alternate versions available in India via the use of the hreflang tag.
South Africa HREF LANG
This webpage has alternate versions available in South Africa 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.
Australia HREF LANG
This webpage has alternate versions available in Australia 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.
Switzerland HREF LANG
This webpage has alternate versions available in Switzerland 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.
Malay HREF LANG
This webpage has alternate versions available in Malay via the use of the hreflang tag.
United States HREF LANG
This webpage has alternate versions available in United States 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.
Chile HREF LANG
This webpage has alternate versions available in Chile 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.
Chinese HREF LANG
This webpage has alternate versions available in Chinese via the use of the hreflang tag.
Spanish - Colombia HREF LANG
This webpage has alternate versions available in Spanish - Colombia via the use of the hreflang tag.
Saudi Arabia HREF LANG
This webpage has alternate versions available in Saudi Arabia via the use of the hreflang tag.
New Zealand HREF LANG
This webpage has alternate versions available in New Zealand 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.
Japan HREF LANG
This webpage has alternate versions available in Japan via the use of the hreflang tag.
Singapore HREF LANG
This webpage has alternate versions available in Singapore 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.
Romanian HREF LANG
This webpage has alternate versions available in Romanian via the use of the hreflang tag.
United Kingdom HREF LANG
This webpage has alternate versions available in United Kingdom 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.
Norway HREF LANG
This webpage has alternate versions available in Norway via the use of the hreflang tag.
Canada HREF LANG
This webpage has alternate versions available in Canada 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.
France HREF LANG
This webpage has alternate versions available in France via the use of the hreflang tag.
Austria HREF LANG
This webpage has alternate versions available in Austria via the use of the hreflang tag.
Philippines HREF LANG
This webpage has alternate versions available in Philippines 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.
Sweden HREF LANG
This webpage has alternate versions available in Sweden 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.
Taiwan HREF LANG
This webpage has alternate versions available in Taiwan via the use of the hreflang tag.
HongKong HREF LANG
This webpage has alternate versions available in HongKong via the use of the hreflang tag.
Brazil HREF LANG
This webpage has alternate versions available in Brazil 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.
Mexico HREF LANG
This webpage has alternate versions available in Mexico via the use of the hreflang tag.
Costa Rica HREF LANG
This webpage has alternate versions available in Costa Rica via the use of the hreflang tag.
Argentina HREF LANG
This webpage has alternate versions available in Argentina 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.
Sweden HREF LANG
This webpage has alternate versions available in Sweden via the use of the hreflang tag.
Denmark HREF LANG
This webpage has alternate versions available in Denmark 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.
Danish HREF LANG
This webpage has alternate versions available in Danish 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.
SSL Certificates
HSTS
Forces browsers to only communicate with the site using HTTPS.