Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
The “language” attribute on the “script” element is obsolete. Use the “type” attribute instead.
The “center” element is obsolete. Use CSS instead.
Bad value “” for attribute “name” on element “input”: Must not be empty.
Attribute “value” not allowed on element “input” at this point.
Element “input” is missing required attribute “alt”.
The “hspace” attribute on the “img” element is obsolete. Use CSS instead.
Bad value “_new” for attribute “target” on element “a”: Reserved keyword “new” used.
Bad value “” for attribute “id” on element “object”: An ID must not be the empty string.
Element “object” is missing one or more of the following attributes: “data”, “type”.
The “classid” attribute on the “object” element is obsolete. Use the “data” and “type” attributes to invoke plugins. To set a parameter with the name “classid”, use the “param” element.
The “codebase” attribute on the “object” element is obsolete. Use the “data” and “type” attributes to invoke plugins. To set a parameter with the name “codebase”, use the “param” element.
The “align” attribute on the “object” element is obsolete. Use CSS instead.
The “name” attribute on the “embed” element is obsolete. Use the “id” attribute instead.
The “align” attribute on the “embed” element is obsolete. Use CSS instead.
The “align” attribute on the “table” element is obsolete. Use CSS instead.
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
The “align” attribute on the “td” element is obsolete. Use CSS instead.
The “valign” attribute on the “td” element is obsolete. Use CSS instead.
The “height” attribute on the “td” element is obsolete. Use CSS instead.
The “border” attribute on the “table” element is obsolete. Use CSS instead.
The “width” attribute on the “td” element is obsolete. Use CSS instead.
Attribute “border” not allowed on element “a” at this point.
Bad value “galeria/zdjecia/miniatury/Panel_fotowoltaiczny_NSP -255W_hewalex_061217.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Duplicate ID “”.
Stray end tag “a”.
Element “ul” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
End tag “div” seen, but there were open elements.
Unclosed element “span”.
The “width” attribute on the “table” element is obsolete. Use CSS instead.
A slash was not immediately followed by “>”.
Element “b...<” not allowed as child of element “b” in this context. (Suppressing further errors from this subtree.)
End tag “a” violates nesting rules.
End tag “td” seen, but there were open elements.
Unclosed element “b”.
Duplicate ID “wavin_tempower_instalacjebudowlane”.
Element “table” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
Warnings:
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The first occurrence of ID “” was here.
Element name “b...<” cannot be represented as XML 1.0.
The first occurrence of ID “wavin_tempower_instalacjebudowlane” was here.
This document appears to be written in Polish. Consider adding “lang="pl"” (or variant) to the “html” start tag.
Poland PL