Website biggerpockets.com

Bing Universal Advertisers.

DoubleClick Advertisers.

Bing Advertisers.

DoubleClick is a provider of digital marketing technology and services. Companies come to DoubleClick for expertise in ad serving, media, video, search and affiliate marketing to help them make the most of the digital medium.

An easy-to-use and feature-packed solution to run various kinds of A/B and multivariate tests, as well as website personalization.

Crazy Egg allows website owners to create tests to figure out what people are doing on their website.

Cloud monitoring and security services

Websites embedding Google maps.

iDEAL is a payment method made up of a collection of agreements and standards for an immediate online transfer from a purchaser’s bank account to the bank account of a webshop or organisation.

Google Tag Manager makes it easy for marketers to add and update website tags including analytics, remarketing, and more.

Megaphone gives you the smartest tools to publish, monetize, and measure your podcast business

ART19’s WarpFeed technology provides near real-time RSS ad insertion, unlocking regional and international advertising as well as monetization of back catalogs.Developed with input from top ad agencies, ART19’s ground-breaking technology provides new and improved listening metrics that are finally bringing major brands into the ...

Podcast hosting service

Amazon Simple Email Service (Amazon SES) is a cost-effective outbound-only email-sending service built on the reliable and scalable infrastructure that Amazon.com has developed to serve its own customer base. With Amazon SES, you can send transactional email, marketing messages, or any other type of high-quality content and you ...

Transactional and marketing email delivery system.

Previously Google Apps for Business. G Suite is a cloud-based productivity suite that helps you and your team connect and get work done from anywhere on any device. It's simple to setup, use and manage, allowing you to work smarter and focus on what really matters.

Ruby on Rails is an open-source web framework that is optimized for programmer happiness and sustainable productivity. It lets you write beautiful code by favoring convention over configuration.

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

A pingback is one of four types of linkback methods for Web authors to request notification when somebody links to one of their documents. This enables authors to keep track of who is linking to, or referring to their articles.

Really Simple Discovery is a way to help client software find the services needed to read, edit, or "work with" weblogging software.

Open graph description entity tag

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

Open graph image entity tag

Open graph locale entity tag

Open graph type entity tag

Open graph url entity tag

Open graph title entity tag

Open graph site name entity tag

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

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.

The http-equiv attribute provides an HTTP header for the information/value of the content attribute. The http-equiv attribute can be used to simulate an HTTP response header.

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

Wesites using favicon rel tag

By adding rel="home" to a hyperlink, a page indicates that the destination of that hyperlink is the homepage of the site in which the current page appears.

Sites who has this tag are verfied by google to use WebMaster tools

Sites using Html 5 SVG Tag

Sites using Html 5 Video Tag

UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.

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

A scheme.org entity that represents a person (alive, dead, undead, or fictional).

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.