This site conforms to the specification for HTML 4.01 Transitional. HTML 4 includes mechanisms for style sheets, scripting, embedding objects, improved support for right to left and mixed direction text, and enhancements to forms for improved accessibility for people with disabilities. The HTML 4.01 specification includes additional syntactic constraints. HTML 4.01 Transitional includes presentation attributes and elements that the W3C expects to phase out as support for style sheets matures.

This site conforms to the Cascading Style Sheet (Level 1 & Level 2) specifications. The Cascading Style Sheets specifications define a style sheet language that allows authors and users to attach style (e.g., fonts, spacing, and aural cues) to structured documents (e.g., HTML documents and XML applications). By separating the presentation style of documents from the content of documents, CSS simplifies Web authoring and site maintenance.

This site conforms to the Level A of the Web Content Accessibility Guidelines 1.0. The accessibility guidelines explain how to make Web content accessible to people with disabilities. The primary goal of these guidelines is to promote accessibility, but also to make Web content more available to all users, whatever user agent they are using or constraints they may be operating under. Following these guidelines is expected to help people find information on the Web more quickly. Bobby was used to validate that this web site met all Priority 1 checkpoints.

This web site is built using Zope. Zope is a high-performance application server, a web server, and a content management system rolled into one. Zope includes a robust, scalable object database, web services architecture, and powerful programming capabilities. Zope is written in Python.

The ADASS site is maintained by the Computing and Information Services of the National Optical Astronomy Observatory (NOAO).

The ADASS 2007 web pages are developed and maintained by the ADASS XVII LOC team, using heavily the structure developed by the above mentioned team at NOAO.