Information may be Out-of-Date
This page about deprecated software versions is shown for
reference purposes only. Information on this page is not
maintained and may no longer be valid.
Please find the latest manual for PRTG Network Monitor here:
W3C – MarkUp Validation
W3C – MarkUp Validation
The W3C (www.w3c.org) is an international standards organization in charge of markup languages (such as HyperText Markup Language, HTML, and eXtensible Markup Language, XML).
The W3C Markup Validation tool will check the markup language of the webpage for validation against the current standards.
