Seeking Alpha Stack

Seekingalpha.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.

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.

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.

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.

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.

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

JSON-LD

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

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.

Prefers Color Scheme

Defines how a page looks based on the color scheme choosen by the user for their desktop.

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.

Srcset

Adapting images for high-resolution and low-resolution displays.

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.

Strict Transport Security

The HTTP Strict-Transport-Security (HSTS) header instructs the browser to only use https.

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.