Errors:
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
Attribute “value” not allowed on element “span” at this point.
The element “a” must not appear as a descendant of the “button” element.
Attribute “type” not allowed on element “span” at this point.
Duplicate ID “navbar-collapse-menu”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
Duplicate ID “RegisterNewsletter”.
Duplicate ID “myModalLabel”.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
Attribute “url” not allowed on element “option” at this point.
The “for” attribute of the “label” element must refer to a non-hidden form control.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “navbar-collapse-menu” was here.
The “form” role is unnecessary for element “form”.
The first occurrence of ID “RegisterNewsletter” was here.
The first occurrence of ID “myModalLabel” was here.
This document appears to be written in English but the “html” start tag has “lang="es"”. Consider using “lang="en"” (or variant) instead.
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