Overleaf Stack

Overleaf.com is built with the following tech stack:

Document Standards

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

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.

X-XSS-Protection

X-XSS-Protection is a HTTP header set by Internet Explorer 8+. This header lets domains toggle on and off the "XSS Filter" of IE8, which prevents some categories of XSS attacks.

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.

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.

Apple Mobile Web App Capable

Launches a web application for Safari on iOS in full-screen mode to look like a native application.

Language

United States HREF LANG

This webpage has alternate versions available in United States 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.

Spain HREF LANG

This webpage has alternate versions available in Spain 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.

France HREF LANG

This webpage has alternate versions available in France 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.

Turkey HREF LANG

This webpage has alternate versions available in Turkey 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.

China HREF LANG

This webpage has alternate versions available in China 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.

Russia HREF LANG

This webpage has alternate versions available in Russia 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.

Korea HREF LANG

This webpage has alternate versions available in Korea 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.

Analytics and Tracking

Google Analytics

Google Analytics offers a host of compelling features and benefits for everyone from senior executives and advertising and marketing professionals to site owners and content developers.

SSL Certificates

HSTS

Forces browsers to only communicate with the site using HTTPS.