DOC.WALLABAG.ORG

Apple Mobile Web Clips Icon

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

IPhone / Mobile Compatible

The website contains code that allows the page to support IPhone / Mobile Content.

Viewport Meta

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

Hugo

A flexible static site generator.

GitHub

The website mentions github.com in some form.

Amazon Frankfurt Region

Amazon Hosted EC2 Instances in Frankfurt, Germany.

Amazon Virginia Region

Amazon Hosted EC2 Instances in Virginia

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.

Prefers Color Scheme

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

Google Plus One Snippet

Customize the snippet people see when your page is shared on Google+

Canonical Content Tag

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

Microdata

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

Twitter Cards

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

HTML5 DocType

The DOCTYPE is a required preamble for HTML5 websites.

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.

HTML 5 Specific Tags

This page contains tags that are specific to an HTML 5 implementation.

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.

Sub Resource Integrity

SRI is a W3C specification that allows web developers to ensure that resources hosted on third-party servers have not been tampered with.

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.

Priority Hints

A mechanism for developers to signal a relative priority for browsers to consider when fetching resources.

Meta Robot

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

Meta Description

The description attribute provides a concise explanation of the page 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.

SEO_TITLE

SEO Title

SEO_META_DESCRIPTION

SEO Meta Description

SEO_H1

SEO H1