Teknosos.com.tr W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The first occurrence of ID “wrapper” was here.
The first occurrence of ID “pager3” was here.
This document appears to be written in Turkish. Consider adding “lang="tr"” (or variant) to the “html” start tag.
Errors:
The “center” element is obsolete. Use CSS instead.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
Bad value “auto” for attribute “width” on element “img”: Expected a digit but saw “a” instead.
Bad value “auto” for attribute “height” on element “img”: Expected a digit but saw “a” instead.
Stray end tag “left”.
Attribute “href” not allowed on element “button” at this point.
Duplicate ID “wrapper”.
Duplicate ID “pager3”.
Bad value “” for attribute “cols” on element “textarea”: The empty string is not a valid positive integer.
A “link” element must not appear as a descendant of a “body” element unless the “link” element has an “itemprop” attribute or has a “rel” attribute whose value contains “dns-prefetch”, “pingback”, “preconnect”, “prefetch”, “preload”, “prerender”, or “stylesheet”.
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