Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Bad value “false” for attribute “allowfullscreen” on element “iframe”.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Duplicate ID “Calque_1”.
Duplicate ID “Capa_1”.
Forbidden code point U+0003.
Duplicate ID “AR24_logo”.
Duplicate ID “_Groupe_”.
Duplicate ID “_Tracé_transparent_”.
Duplicate ID “_Tracé_transparent_2”.
Duplicate ID “_Tracé_transparent_3”.
Duplicate ID “_Tracé_transparent_4”.
Duplicate ID “_Groupe_2”.
Duplicate ID “_Tracé_”.
Duplicate ID “_Tracé_2”.
Duplicate ID “_Tracé_3”.
Duplicate ID “_Tracé_4”.
Duplicate ID “_Tracé_5”.
Duplicate ID “_Tracé_6”.
Duplicate ID “_Tracé_7”.
Duplicate ID “_Tracé_8”.
Duplicate ID “_Tracé_9”.
Duplicate ID “_Groupe_3”.
Duplicate ID “_Tracé_transparent_5”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray start tag “script”.
Cannot recover after last error. Any further errors will be ignored.
Warnings:
The first occurrence of ID “Calque_1” was here.
The first occurrence of ID “Capa_1” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “AR24_logo” was here.
The first occurrence of ID “_Groupe_” was here.
The first occurrence of ID “_Tracé_transparent_” was here.
The first occurrence of ID “_Tracé_transparent_2” was here.
The first occurrence of ID “_Tracé_transparent_3” was here.
The first occurrence of ID “_Tracé_transparent_4” was here.
The first occurrence of ID “_Groupe_2” was here.
The first occurrence of ID “_Tracé_” was here.
The first occurrence of ID “_Tracé_2” was here.
The first occurrence of ID “_Tracé_3” was here.
The first occurrence of ID “_Tracé_4” was here.
The first occurrence of ID “_Tracé_5” was here.
The first occurrence of ID “_Tracé_6” was here.
The first occurrence of ID “_Tracé_7” was here.
The first occurrence of ID “_Tracé_8” was here.
The first occurrence of ID “_Tracé_9” was here.
The first occurrence of ID “_Groupe_3” was here.
The first occurrence of ID “_Tracé_transparent_5” was here.
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