Biocoin.bio W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad start tag in “img” in “head”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray end tag “noscript”.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Duplicate ID “work”.
Stray end tag “div”.
Attribute “placeholder” not allowed on element “select” at this point.
Duplicate ID “team”.
Bad value “tel:+7 495 724-35-32” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
Warnings:
The first occurrence of ID “work” was here.
The first occurrence of ID “team” was here.
This document appears to be written in Russian but the “html” start tag has “lang="en"”. Consider using “lang="ru"” (or variant) instead.
Russian Federation RU