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Notes and Potential Issues
The following notes and warnings highlight missing or conflicting information which caused the validator to perform some guesswork prior to validation, or other things affecting the output below. If the guess or fallback is incorrect, it could make validation results entirely incoherent. It is
highly recommended
to check these potential issues, and, if necessary, fix them and re-validate the document.
No Character encoding declared at document level
No character encoding information was found within the document, either in an HTML
meta
element or an XML declaration. It is often recommended to declare the character encoding in the document itself, especially if there is a chance that the document will be read from or saved to disk, CD, etc.
See
this tutorial on character encoding
for techniques and explanations.
-
External Checker not available
Checking the Document Type of this document requires the help of an external tool which was either not enabled
in this validator, or is currently unavailable. Check in the validator's system configuration
that HTML5 Validator is enabled and functional.
The error encountered was:
429 Too Many Requests