Ebookbou.edu.bd W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
No “p” element in scope but a “p” end tag seen.
Duplicate ID “left-side”.
Duplicate ID “right-side”.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
End tag “br”.
The “font” element is obsolete. Use CSS instead.
End of file seen and there were open elements.
Unclosed element “div”.
Warnings:
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The first occurrence of ID “left-side” was here.
The first occurrence of ID “right-side” was here.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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