Greentoe.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.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Errors:
A “charset” attribute on a “meta” element found after the first 1024 bytes.
A document must not include more than one “meta” element with a “charset” attribute.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “https://d3mv25xx38w2jn.cloudfront.net/Category_Product_Images/Optics_Tripods_Support Equipment.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
The element “button” must not appear as a descendant of the “a” element.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
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