Analytics and Tracking

Global Site TagGlobal Site Tag

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Google's primary tag for Google Measurement/Conversion Tracking, Adwords and DoubleClick.

Google AnalyticsGoogle Analytics

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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.

Application Performance · Audience Measurement · Visitor Count Tracking

COVID-19COVID-19

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This website mentions COVID-19 / Novel Coronavirus.

Frameworks

Ruby on Rails TokenRuby on Rails Token

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Ruby on Rails is an open-source web framework that is optimized for programmer happiness and sustainable productivity. Note that Ruby on Rails has two detection techniques and this is one of them.

Viewport MetaViewport Meta

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

Operating Systems and Servers

UbuntuUbuntu

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Ubuntu is a free, Debian derived Linux-based operating system, available with both community and professional support.

Document Encoding

UTF-8UTF-8

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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

CSRF TokenCSRF Token

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The site generates a unique token when it makes the form page. This token is required to post/get data back to the server.

Revisit AfterRevisit After

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Several search engines use this meta tag to find out when they should revisit a certain page.

Open Graph ProtocolOpen Graph Protocol

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The Open Graph protocol enables any web page to become a rich object in a social graph, a open protocol supported by Facebook

Meta RobotMeta Robot

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This page contains a meta robots tag which tells search engines and robots to index or not index the page.

Meta Tags

Twitter CardsTwitter Cards

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

Web App ManifestWeb App Manifest

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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 TagCanonical Content Tag

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

Meta Tags

Cascading Style SheetsCascading Style Sheets

Cascading Style Sheets Usage Statistics · Download List of All Websites using 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

CSS

JavascriptJavascript

Javascript Usage Statistics · Download List of All Websites using Javascript

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

JSON-LDJSON-LD

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

MicrodataMicrodata

Microdata Usage Statistics · Download List of All Websites using Microdata

Tags that webmasters can use to markup their pages in ways recognized by major search providers.

X-Frame-OptionsX-Frame-Options

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The X-Frame-Options HTTP response header can be used to indicate whether or not a browser should be allowed to render a page in a frame or iframe. Sites can use this to avoid clickjacking attacks, by ensuring that their content is not embedded into other sites.

Browser Specific

X-XSS-ProtectionX-XSS-Protection

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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.

Referrer PolicyReferrer Policy

Referrer Policy Usage Statistics · Download List of All Websites using 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.