TETRISFRIEND.COM

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

The website has been registered at Yahoo Site Explorer.

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

CentOS is an Enterprise-class Linux Distribution derived from sources freely provided to the public by a prominent North American Enterprise Linux vendor. CentOS conforms fully with the upstream vendors redistribution policy and aims to be 100% binary compatible.

PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML.

Google Adsense Partner Program is being used on this site.

A contextual advertising solution for delivering Google AdWords ads that are relevant to site content pages.

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.

Market research company that studies internet trends and behavior.

Allows a user to make a website more sociable and connected with integrations from the hugely popular Facebook website.

JavaScript SDK enables you to access all of the features of the Graph API via JavaScript, and it provides a rich set of client-side functionality for authentication and sharing. It differs from Facebook Connect.

The page embeds the Twitter platform in one method or another.

Official Tweet Button for sharing articles on websites and counting how many times a URL has been shared.

The website claims XHTML Transitional status. XHTML 1.0 Transitional is the same as HTML 4.01 Transitional, but follows XML syntax rules. It supports everything found in XHTML 1.0 Strict, but also permits the use of a number of elements and attributes that are judged presentational, in order to ease the transition from HTML 3.2 and earlier. These include center, u, strike, and applet.

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

Meta tag containing keywords related to the page.

W3C Recommended definition of the type of stylesheets used in a document.

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.

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

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

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