World-grain.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.
Bad value “https://fonts.googleapis.com/css?family=PT+Sans:400,400i,700|PT+Serif:400,400i,700” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
Duplicate ID “hamburger-nav-link”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “user-actions”.
Element “script” must not have attribute “async” unless attribute “src” is also specified.
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “hamburger-nav-link” was here.
The first occurrence of ID “user-actions” was here.
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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