Asthma.ca W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “31-07-2018 16:02:05 +0000” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “30-07-2018 19:37:42 +0000” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “30-07-2018 16:15:25 +0000” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Start tag “a” seen but an element of the same type was already open.
Stray end tag “a”.
Warnings:
Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073)
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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