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Google Sites is a web page creation and hosting service by Google.

JavaScript is a lightweight, object-oriented, cross-platform scripting language, mainly used within web pages.

Transitional version of XHTML.

UTF-8 (8-bit Unicode Transformation Format) is a variable-length character encoding for Unicode, which is backwards compatible with ASCII.

JPEG (Joint Photographic Experts Group) is a lossy compression method suitable to store photographic images.

PNG (Portable Network Graphics) is a lossless compression image format, suitable to store graphics with uniformly colored areas, and originally introduced as a free, open-source successor of GIF.

GIF (Graphics Interchange Format) is a lossless compression image format, originally introduced by CompuServe and suitable to store graphics, logos and simple animations.

External Cascading Style Sheets define style rules in a separate CSS file.

Embedded Cascading Style Sheets define a set of style rules in a <style> element within a web page.

Inline Cascading Style Sheets define style rules directly within an (X)HTML element using the style attribute.

Gzip (GNU zip) is a file compression algorithm.

The Internet Protocol version 6 (IPv6) provides amongst others a vastly larger address space than the preceding version 4. We consider a website to support IPv6 if a 128-bit addresses is assigned to it, regardless of the content delivered at that address.

GeoTrust is a SSL certificate authority owned by Symantec. This includes SSL certificates issues by the certification branch of Equifax, which was acquired by GeoTrust.

Google Web Server (GWS) is the web server that Google uses for their web infrastructure.

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