TENNISDIRECT.NL

Webmaster tools provide you with a free and easy way to make your site more Google-friendly.

Apache has been the most popular web server on the Internet since April 1996.

The Platform for Privacy Preferences Project (P3P) enables Websites to express their privacy practices in a standard format that can be retrieved automatically and interpreted easily by user agents. P3P user agents will allow users to be informed of site practices (in both machine- and human-readable formats) and to automate decision-making based on these practices when appropriate. Thus users need not read the privacy policies at every site they visit.

eCommerce CMS system used by large brands such as The North Face.

Google Analytics offers a host of compelling features and benefits for everyone from senior executives and advertising and marketing professionals to site owners and content developers.

Prototype is a javascript framework which aims to ease development of dynamic web applications.

script.aculo.us provides you with easy-to-use, cross-browser user interface JavaScript libraries to make your web sites and web applications fly.

Allows users to Like items they find on the web, similar to how you Like items within Facebook.

Lightbox JS is a simple, unobtrusive script used to overlay images on the current page. It's a snap to setup and works on all modern browsers.

The website claims XHTML strict. XHTML Strict is the same as HTML 4.01 Strict but follows XML guidelines. See the link for more information.

Allows a website to define how a page is rendered in Internet Explorer 8, allowing a website to decide to use IE7 style rendering over IE8 rendering.

The description attribute provides a concise explanation of the page content.

Meta tag containing keywords related to the page.

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

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

JavaScript is a scripting language most often used for client-side web development. Its proper name is ECMAScript, though "JavaScript" is much more commonly used. The website uses JavaScript.

Cascading Style Sheets (CSS) is a stylesheet language used to describe the presentation of a document written in a markup language. Its most common application is to style web pages written in HTML

The website uses conditional comments that are supported by Microsoft Internet Explorer. They allow web developers to show or hide HTML code based on the version of the viewer's browser.

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