Website claytonmckervey.com

Early Birds is a french based personalization platform.

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.

Hubspot provides marketing information and leads via inbounding marketing software.

Open source shopping cart solution

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.

DHL is the global market leader in the logistics industry.

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

Websites that accepts payments with American Express.

Websites that accepts payments with Visa.

Websites that accept payment with JCB

Websites that accepts payments with MasterCard.

Maestro is a multi-national debit card service owned by MasterCard.

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.

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

Apple Pay payments on the web provides an easy and secure way to pay on websites in Safari. By using Touch ID or double-clicking Apple Watch, users can quickly and securely provide their payment, shipping, and contact information to check out with just one touch.

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.

Payment system from Alibaba Group.

Website that accept bitcoin as payment method

Website hosted on Google Cloud Platform.

nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.

A rich hosted Exchange environment for every user without having to manage a server.

Transactional and marketing email delivery system.

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

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

Websites with links to podcasts hosted on BuzzSprout

Cloud based event management platform.

Open graph type entity tag

Open graph url entity tag

Open graph locale entity tag

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 site name entity tag

Typekit is the easiest way to use real fonts on the web. It's a subscription-based service for linking to high-quality Open Type fonts from some of the worlds best type foundries.

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".

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