Comunio.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Bad value “Expires” for attribute “http-equiv” on element “meta”.
Bad value “Pragma” for attribute “http-equiv” on element “meta”.
Bad value “Cache-Control” for attribute “http-equiv” on element “meta”.
Duplicate ID “box_zeile2”.
Duplicate ID “box_zeile_spalte1”.
Duplicate ID “box_zeile_spalte2”.
Duplicate ID “box_zeile_spalte2_link”.
Attribute “href” not allowed on element “span” at this point.
Duplicate ID “box_grafik”.
Duplicate ID “box2”.
Warnings:
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The first occurrence of ID “box_zeile2” was here.
The first occurrence of ID “box_zeile_spalte1” was here.
The first occurrence of ID “box_zeile_spalte2” was here.
The first occurrence of ID “box_zeile_spalte2_link” was here.
The first occurrence of ID “box_grafik” was here.
The first occurrence of ID “box2” was here.
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