Google APIs are application programming interfaces developed by Google which allow communication with Google Services and their integration to other services.

Mobile

Meta Viewport

Websites Using Meta Viewport

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

Information Technology

Google

Blogging Standards

RSS

Websites Using RSS

A family of standard web feed formats used to publish frequently updated information like blog entries, news headlines, audio and video.

Framework

PHP

Websites Using PHP

PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML.

Bitcoin

Bitcoin Acceptance

Websites Using Bitcoin Acceptance

Website that accept bitcoin as payment method

Document Standard

HTTPS

Websites Using HTTPS

Websites using https protocol.

HTML5 DocType

Websites Using HTML5 DocType

The DOCTYPE is a required preamble for HTML5 websites.

Meta Tags

Theme Color Tag

Websites Using Theme Color Tag

Chrome for Android, since version 39 supports the "theme-color" meta tag to allow websites control the background color of the tab's UI header.

Meta Keywords

Websites Using Meta Keywords

Meta Keywords are a specific type of meta tag that appear in the HTML code of a Web page and help tell search engines what the topic of the page is.

Meta Robot

Websites Using Meta Robot

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

Meta Description

Websites Using Meta Description

Meta descriptions are HTML attributes that provide concise explanations of the contents of web pages. Meta descriptions are commonly used on search engine result pages (SERPs) to display preview snippets for a given page.

OpenSearch

Websites Using OpenSearch

Indicates that the site provides an interface specifically for searching the document and its related resources.

Canonical Tag

Websites Using Canonical Tag

A canonical link element is an HTML element that helps webmasters prevent duplicate content issues by specifying the "canonical", or "preferred".

Favicon Tag

Websites Using Favicon Tag

Wesites using favicon rel tag

Fonts

Google Web Fonts

Websites Using Google Web Fonts

Google's hosted library for web fonts. Allows websites to choose and use fonts from a free, wide variety of fonts.

Encoding

UTF-8

Websites Using 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.

Open Graph Tags

OpenGraph Type Entity

Websites Using OpenGraph Type Entity

Open graph type entity tag

OpenGraph Url Entity

Websites Using OpenGraph Url Entity

Open graph url entity tag

OpenGraph Description Entity

Websites Using OpenGraph Description Entity

Open graph description entity tag

Open Graph Protocol

Websites Using 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

OpenGraph Image Entity

Websites Using OpenGraph Image Entity

Open graph image entity tag

OpenGraph Site Name Entity

Websites Using OpenGraph Site Name Entity

Open graph site name entity tag

Schema

AggregateRating Schema Entity

Websites Using AggregateRating Schema Entity

The average rating based on multiple ratings or reviews.

Article Schema Entity

Websites Using Article Schema Entity

A scheme.org entity that represents an article, such as a news article or piece of investigative report. Newspapers and magazines have articles of many different types and this is intended to cover them all.