YUKI-GOSEI.CO.JP

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

A cross-browser method to dynamically switch between the style sheets.

Changes effected Flash content in Internet Explorer - this library fixes them.

The website claims HTML 4.01 Transitional DTD, which includes presentation attributes and elements that W3C expects to phase out as support for style sheets matures.

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

Meta tag containing keywords related to the page.

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

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.

The map tag is used to define a client-side image-map. An image-map is an image with clickable areas.

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