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Index of A

Above the fold

Refers to the first screen viewed on a computer monitor when a document is opened.

Absolute link

Hyperlinks that include the complete URL, which is the domain name, pathname (if used), and filename.

Accessibility

The basis of accessibility is that every Web user should have access to the information and experiences available online. The nature of the Web and the tools used to create and access the information it offers means that some users, for instance, those with visual, auditory, or other physical impairment, have difficulty accessing Web content. The tenets and practice of the accessible Web aim to ensure these users' impairments do not prevent them from finding the Web a valuable resource, and that they have access to the same content that other visitors enjoy.

Accesskeys

Accesskeys are a means by which Web users can jump immediately to a specific part of an HTML page. Users press ALT (PC) or CTRL (Mac), followed by the appropriate key on the keyboard, to access a particular part of the page. The developer defines which accesskeys apply to each part of the page using an accesskey parameter.

ActionScript

ActionScript is Macromedia Flash's own embedded scripting language.

Adjacency

Search specification that requires words typed into a search query to be next to or near one another.

ADO.NET

ADO.NET stands for ActiveX Data Objects for .NET. It refers to the suite of data access technologies used to manipulate databases. ADO.NET is part of the .NET Framework.

Agent name delivery

The process of delivering specific web pages to a search engine spider by means of the spider's agent name. For example, the agent name of Google's search engine spider is Googlebot. With this process, search engine spiders and end users do not view the same page.

Algorithm

The mathematical formula used to determine how web pages are ranked in a search engine's or directory's search results.

Alternative text

In HTML, text placed inside the image source tag. If a graphic image does not appear on a browser screen, the alternative text appears in place of the graphic image. The same text appears when end users view a web page with a text-only browser. Also known as alt text.

Anchor text

In HTML, text that is placed between the and tags. Commonly referred to as a text link.

Apache

Apache is one of the the world's most widely used Web servers. Originally developed in 1995 by a group that was to go on to become the The Apache Group, the Apache HTTP Server is Open Source Software, and considered by proponents to be fast, scalable and secure. The name was derived from the project's less robust beginnings ('A patchy Web server').

Applet

A small program written in the Java programming language that usually runs in a web browser, as part of a web page. Search engine spiders currently do not record the text inside a Java applet.

array

An array is a single programming variable with multiple "compartments". Each compartment can hold a value.

ASP

Active Server Pages - Microsoft's IIS based server side scripting architecture. ASP is a gateway for scripting languages such as VBScript and JScript.