Izmacity.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “xmlns:og” not allowed here.
Bad value “og:http://ogp.me/ns#” for attribute “prefix” on element “head”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “svg_1”.
Bad value “tel: +38(068) 096-17-37” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
Bad value “tel: + 380 (67) 559 49 42” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
Bad value “” for attribute “id” on element “menu”: An ID must not be the empty string.
Warnings:
Attribute with the local name “xmlns:og” is not serializable as XML 1.0.
The “type” attribute is unnecessary for JavaScript resources.
The “charset” attribute on the “script” element is obsolete.
The first occurrence of ID “svg_1” was here.
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