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Symbolab.com is built with the following tech stack:

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.

Mobile

Viewport Meta

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

Document Standards

Meta Keywords

Meta tag containing keywords related to the page.

Meta Description

The description attribute provides a concise explanation of the page content.

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.

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

HREF Lang

Contains language specific links.

Canonical Content Tag

Public specification of a preferred URL for a page allows search engines to understand the original location for content.

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

JavaScript is a scripting language most often used for client-side web development.

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.

JSON-LD

JSON-LD, or JavaScript Object Notation for Linked Data, is a method of transporting Linked Data using JSON.

WAI-ARIA

A way to make Web content and Web applications more accessible to people with disabilities. It especially helps with dynamic content and advanced user interface controls developed with Ajax, HTML, JavaScript, and related technologies.

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.

Language

United States HREF LANG

This webpage has alternate versions available in United States 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.

Italy HREF LANG

This webpage has alternate versions available in Italy 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.

Chinese HREF LANG

This webpage has alternate versions available in Chinese 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.

Vietnamese HREF LANG

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

Hebrew HREF LANG

This webpage has alternate versions available in Hebrew 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.

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.