This validator checks the markup validity of Web documents in HTML, XHTML, SMIL, Math ML, etc.

If you wish to validate specific content such as RSS/Atom feeds or CSS stylesheets, Mobile OK content, or to find broken links, there are other validators and tools available.

A prototype brings the SRS to life by providing the users with a visual model.

The developers will choose the most appropriate approach to prototyping depending on the situation.

It will also ensure that all the requirements elicited can be traced back and justified to business requirements as well as functional requirements.

Data validation rules may be defined, designed and deployed, for example: Definition and design contexts: Data that does not conform to these rules will negatively affect business process execution.

Kasowniki będące częścią bramek biletowych metra umożliwiają wejście na stacje.

Kasowniki komunikują się z pasażerem za pomocą: II.

As an alternative you can also try our non-DTD-based validator.

There are those that you send e-mail to, which are good for testing how actually e-mail will respond from the computer you are sitting at.