Energeticsynthesis.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Duplicate ID “g-offcanvas”.
Element “div” is missing one or more of the following attributes: “role”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “EnergeticParasites”.
Stray end tag “source”.
The element “button” must not appear as a descendant of the “a” element.
The “align” attribute on the “img” element is obsolete. Use CSS instead.
The “align” attribute on the “p” element is obsolete. Use CSS instead.
Warnings:
The first occurrence of ID “g-offcanvas” was here.
The “navigation” role is unnecessary for element “nav”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “EnergeticParasites” was here.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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