Niedziela.nl W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Bad start tag in “img” in “head”.
Bad value “https://www.facebook.com/tr?id=757841977680534&ev=PageView
&noscript=1” for attribute “src” on element “img”: Tab, new line or carriage return found.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray end tag “noscript”.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
The “center” element is obsolete. Use CSS instead.
The “color” attribute on the “hr” element is obsolete. Use CSS instead.
The “valign” attribute on the “tr” element is obsolete. Use CSS instead.
CSS: “width”: Unknown dimension.
Duplicate ID “gk_npro-newspro1”.
Attribute “mce_href” not allowed on element “a” at this point.
Attribute “mce_bogus” not allowed on element “br” at this point.
Warnings:
The “type” attribute for the “style” element is not needed and should be omitted.
The “type” attribute is unnecessary for JavaScript resources.
The first occurrence of ID “gk_npro-newspro1” was here.
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