Errors:
Duplicate ID “osaogoncalo-style-css”.
Bad value “” for attribute “id” on element “script”: An ID must not be the empty string.
Attribute “itemprop” not allowed on element “meta” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “2018/03/09T12:51:46” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “2018/03/09T11:38:36” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “2018/03/09T11:20:11” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “2018/03/09T10:12:32” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “2018/03/09T10:11:19” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “2018/03/09T09:38:24” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Attribute “st_url” not allowed on element “span” at this point.
Attribute “displaytext” not allowed on element “span” at this point.
Attribute “st_processed” not allowed on element “span” at this point.
Bad value “https://plus.google.com/share?url={http://mwl.press/OSG51022}” for attribute “href” on element “a”: Illegal character in query: “{” is not allowed.
Bad value “https://plus.google.com/share?url={http://mwl.press/OSG51023}” for attribute “href” on element “a”: Illegal character in query: “{” is not allowed.
Bad value “https://plus.google.com/share?url={http://mwl.press/OSG51026}” for attribute “href” on element “a”: Illegal character in query: “{” is not allowed.
Start tag “a” seen but an element of the same type was already open.
Bad value “https://plus.google.com/share?url={http://mwl.press/OSG51028}” for attribute “href” on element “a”: Illegal character in query: “{” is not allowed.
Bad value “https://plus.google.com/share?url={http://mwl.press/OSG51017}” for attribute “href” on element “a”: Illegal character in query: “{” is not allowed.
Bad value “https://plus.google.com/share?url={http://mwl.press/OSG51031}” for attribute “href” on element “a”: Illegal character in query: “{” is not allowed.
Bad value “https://plus.google.com/share?url={http://mwl.press/OSG51019}” for attribute “href” on element “a”: Illegal character in query: “{” is not allowed.
Bad value “215px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Duplicate ID “link-video-carousel”.
Element “style” not allowed as child of element “aside” in this context. (Suppressing further errors from this subtree.)
Warnings:
The first occurrence of ID “osaogoncalo-style-css” was here.
Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073)
The “banner” role is unnecessary for element “header”.
The “main” role is unnecessary for element “main”.
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).
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “link-video-carousel” was here.
The “contentinfo” role is unnecessary for element “footer”.
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