Cryptosdesk.io W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Start tag seen without seeing a doctype first. Expected “<!DOCTYPE html>”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “90px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Bad value “40px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
The first child “option” element of a “select” element with a “required” attribute, and without a “multiple” attribute, and without a “size” attribute whose value is greater than “1”, must have either an empty “value” attribute, or must have no text content. Consider either adding a placeholder option label, or adding a “size” attribute with a value equal to the number of “option” elements.
Element “p” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Warnings:
The “main” role is unnecessary for element “main”.
Empty heading.
The “type” attribute is unnecessary for JavaScript resources.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
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