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://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Duplicate ID “nav-jailbreaking”.
End tag “li” seen, but there were open elements.
Unclosed element “div”.
Duplicate ID “main”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “2017-12-01 11:2545” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Duplicate ID “post-551719”.
Duplicate ID “post-551711”.
Duplicate ID “post-551679”.
Duplicate ID “post-551659”.
Duplicate ID “post-551635”.
Duplicate ID “post-551589”.
Duplicate ID “post-551533”.
Duplicate ID “post-551521”.
Saw “<” when expecting an attribute name. Probable cause: Missing “>” immediately before.
A slash was not immediately followed by “>”.
End tag had attributes.
End tag “div” seen, but there were open elements.
Unclosed element “aside”.
End tag “p” seen, but there were open elements.
Unclosed element “a”.
Start tag “a” seen but an element of the same type was already open.
End tag “a” violates nesting rules.
Cannot recover after last error. Any further errors will be ignored.
Warnings:
The first occurrence of ID “nav-jailbreaking” was here.
The first occurrence of ID “main” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “post-551719” was here.
The first occurrence of ID “post-551711” was here.
The first occurrence of ID “post-551679” was here.
The first occurrence of ID “post-551659” was here.
The first occurrence of ID “post-551635” was here.
The first occurrence of ID “post-551589” was here.
The first occurrence of ID “post-551533” was here.
The first occurrence of ID “post-551521” was here.
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