Errors:
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Bad value “177px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “click-nav-sub2”.
Duplicate ID “click-nav-subul2”.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
CSS: “background”: “cover” is not a “background-color” value.
Saw “<!--” within a comment. Probable cause: Nested comment (not allowed).
Stray end tag “div”.
Stray end tag “div--”.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
Bad value “” for attribute “width” on element “img”: The empty string is not a valid non-negative integer.
Bad value “” for attribute “height” on element “img”: The empty string is not a valid non-negative integer.
Bad value “https://ariteknokent.com.tr/assets/img/logos/toplu logolar-01.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “https://ariteknokent.com.tr/assets/img/logos/toplu logolar-02.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “https://ariteknokent.com.tr/assets/img/logos/toplu logolar-03.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “https://ariteknokent.com.tr/assets/img/logos/toplu logolar-05.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Element “li” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
End tag for “body” seen, but there were unclosed elements.
Unclosed element “div”.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “type” attribute for the “style” element is not needed and should be omitted.
The “type” attribute is unnecessary for JavaScript resources.
The first occurrence of ID “click-nav-sub2” was here.
The first occurrence of ID “click-nav-subul2” was here.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The value of attribute “style” on element “div” from namespace “http://www.w3.org/1999/xhtml” is not in Unicode Normalization Form C.
This document appears to be written in Turkish. Consider adding “lang="tr"” (or variant) to the “html” start tag.
Turkey TR