Curtisinstruments.com W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The first occurrence of ID “drop-motorcontrollers” was here.
The first occurrence of ID “drop-instrumentation” was here.
The first occurrence of ID “drop-powerconversion” was here.
The first occurrence of ID “drop-accessories” was here.
The first occurrence of ID “drop-dccontactors” was here.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Errors:
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “btn” for attribute “type” on element “button”.
Bad value “button” for attribute “type” on element “a”: Subtype missing.
Duplicate ID “drop-motorcontrollers”.
Duplicate ID “drop-instrumentation”.
Duplicate ID “drop-powerconversion”.
Duplicate ID “drop-accessories”.
Duplicate ID “drop-dccontactors”.
The “aria-labelledby” attribute must point to an element in the same document.
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