Website worthplaying.com

Amazon's affiliate marketing service

AdSense is an ad serving application run by Google. Website owners can enroll in the program to enable text, image, and, more recently, video advertisements on their websites. These advertisements are administered by Google and generate revenue on either a per-click or per-impression basis. Google not only offers AdSense for ...

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.

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.

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 ...

Network infrastructure from One Communications based in the US.

Varnish is an HTTP accelerator designed for content-heavy dynamic web sites. In contrast to other web accelerators, such as Squid, which began life as a client-side cache, or Apache and nginx, which are primarily origin servers, Varnish was designed as an HTTP accelerator. Varnish is focused exclusively on HTTP, unlike other pro...

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

Python is a widely used general-purpose, high-level programming language. Its design philosophy emphasizes code readability, and its syntax allows programmers to express concepts in fewer lines of code than would be possible in languages such as C. The language provides constructs intended to enable clear programs on both a smal...

Django is a high-level Python Web framework that encourages rapid development and clean, pragmatic design. This metric displays sites that are using Django + CSRF.

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

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.

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.

Wesites using favicon rel tag

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.

Open graph url entity tag

Open graph type 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