Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Attribute with the local name “xmlns:sketch” is not serializable as XML 1.0.
Attribute “sketch:type” is not serializable as XML 1.0.
The first occurrence of ID “slide-2” was here.
Empty heading.
The first occurrence of ID “profiles” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
Errors:
Bad value “http://fonts.googleapis.com/css?family=Roboto:100,300,500,700|Open+Sans:400italic,400,700” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
Attribute “defer” not allowed on element “link” at this point.
A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.
Attribute “xmlns:sketch” not allowed here.
Attribute “sketch:type” not allowed on element “g” at this point.
Duplicate ID “slide-2”.
No “p” element in scope but a “p” end tag seen.
Element “img” is missing required attribute “src”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “profiles”.
Element “figcaption” not allowed as child of element “section” in this context. (Suppressing further errors from this subtree.)
Bad value “” for attribute “src” on element “iframe”: Must be non-empty.
Attribute “webkitallowfullscreen” not allowed on element “iframe” at this point.
Attribute “mozallowfullscreen” not allowed on element “iframe” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
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