Синтез.орг W3C HTML Markup Validation
HTML markup errors and warnings
(Rescan now...)
Warnings:
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The “type” attribute is unnecessary for JavaScript resources.
Attribute with the local name “xmlns:v” is not serializable as XML 1.0.
The “main” role is unnecessary for element “main”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “contentinfo” role is unnecessary for element “footer”.
Errors:
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “xmlns:v” not allowed here.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
Bad value “https://sintez-data.info/images/Кут Хуми.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
The “align” attribute on the “p” element is obsolete. Use CSS instead.
Bad value “https://sintez-data.info/images/символ ИДИВО.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “https://sintez-data.info/Документы/Регламенты/ИВДИВО.Р13 Праздники ИВДИВО.pdf” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
End tag “section” seen, but there were open elements.
Unclosed element “div”.
Russian Federation RU