BuzzFeed Stack

Buzzfeed.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.

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 Description

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

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

Twitter Cards

Twitter cards make it possible for you to attach media experiences to Tweets that link to your content.

Canonical Content Tag

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

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.

HREF Lang

Contains language specific links.

Javascript

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

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 Security Policy

Content Security Policy is a computer security concept, to prevent cross-site scripting XSS attacks.

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.

Apple Mobile Web App Capable

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

Apple Mobile Web Clips Icon

This page contains an icon for iPhone, iPad and iTouch devices.

Language

Australia HREF LANG

This webpage has alternate versions available in Australia 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.

India HREF LANG

This webpage has alternate versions available in India 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.

Spain HREF LANG

This webpage has alternate versions available in Spain 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.

United States HREF LANG

This webpage has alternate versions available in United States 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.