Website backerkit.com

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.

Facebook Ads Advertisers.

Facebook Retargeting Pixel

Marketo provides a complete marketing automation software solution that is powerful and easy to use for fast-growing small companies and global enterprises alike. Built for marketers, by marketers, Marketo is designed to allow companies to launch their first campaign in days and scale to meet the needs of the most complex globa...

FedEx Corporation is an American multinational courier delivery services company headquartered in Memphis, Tennessee.

The United States Postal Service, is an independent agency of the United States federal government responsible for providing postal service in the United States.

Show you how visitors are really using your website, collect feedback and turn more visitors into customers.

Websites using some form of Captcha technology on them.

Anti-bot CAPTCHA widget that helps digitize books by providing snippets of books for people to enter the text for. Owned by Google.

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

Google Charts provide free charting for a website using charts driven by GET requests.

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.

Track Your Results. Get the stats on your campaigns and subscribers, so you can improve your content every time you send, and tailor your newsletters to your ...

Stripe is a developer-friendly way to accept payments online and in mobile apps.

PayPal is a American international e-commerce service that enables companies and individuals to send money and to accept payments without revealing any financial details.

Website using the € symbol on their website - meaning it may accept payment in Euros.

Website using the £ symbol on their website - meaning it may accept payment in this British currency.

Website using the ¥ symbol on their website - meaning it may accept payment in this South Korean currency.

Phusion Passenger - a.k.a. mod_rails or mod_rack - is a web server and application server, designed to be fast, robust and lightweight. Administration tools allow you to gain insight into web application operations and server performance.

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 locale entity tag

Open graph type entity tag

Open graph description entity tag

Open graph url 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 site name entity tag

Open graph title entity tag

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

Sites using Html 5 SVG Tag

Sites using Html 5 Video 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 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.

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

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".

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

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

A web page. Every web page is implicitly assumed to be declared to be of type WebPage, so the various properties about that webpage, such as breadcrumb may be used. We recommend explicit declaration if these properties are specified, but if they are found outside of an itemscope, they will be assumed to be about the page

A scheme.org entity that represents an organization such as a school, NGO, corporation, club, etc.

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