eValid™ -- Automated Web Quality Solution Browser-Based, Client-Side, Functional Testing & Validation, Load & Performance Tuning, Page Timing, Website Analysis, and Rich Internet Application Monitoring.

Summary
This page describes some of the design principles that underly the eValid product. A useful reference is this eValid Product Diagram. See also the companion Script Principles.

General Principles
The eValid system incorporates these general design features and characteristics.

• Realism by emulating a real browser.

• Quick and easy to download and install.

• GUI operation has to be "like a browser".

• GUI has to be simple enough for non-programmers to use effectively (but also allow use by expert programmers).

• Full access to browser internal states (DOM based).

• Simple script language -- no programminmg required (the EPI interface is a separate feature).

• Input files are all plain text, tab/whitespace delimited, HTML ready.

• Output files are all plain text, tab/whitespace delimited, HTML ready.

• Internal error states need to be flagged.

• Available batch (command line) interface (for monitoring, regression testing, etc.)

• Scripts need to be parameterizable, and there have to be ways to send parameters to a script.

• Simple method for generating data.

• Able to read/process ANY website.

• Accurate internal timing, including for dependent components of a page.

• Able to run in multiple copies, for server loading and/or for monitoring use.