Pcekspert.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
Bad value “100%” for attribute “height” on element “iframe”: Expected a digit but saw “%” instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Character reference was not terminated by a semicolon.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
A numeric character reference expanded to the C1 controls range.
Warnings:
Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073)
This document appears to be written in Croatian but the “html” start tag has “lang="en-US"”. Consider using “lang="hr"” (or variant) instead.
Croatia HR