Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Bad value “https://www.w3.org/1999/xhtml” for the attribute “xmlns” (only “http://www.w3.org/1999/xhtml” permitted here).
Internal encoding declaration “iso-8859-1” disagrees with the actual encoding of the document (“utf-8”).
Bad value “text/html; charset=ISO-8859-1” for attribute “content” on element “meta”: “iso-8859-1” is not a preferred encoding name. The preferred label for this encoding is “windows-1252”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “h1” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
The “width” attribute on the “td” element is obsolete. Use CSS instead.
Malformed byte sequence: “93”.
Malformed byte sequence: “94”.
Stray start tag “head”.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Stray end tag “head”.
End tag “p” seen, but there were open elements.
Unclosed element “a”.
The “font” element is obsolete. Use CSS instead.
The “center” element is obsolete. Use CSS instead.
Bad value “%3Cimg%20src=%22https:/www.gatewaytoairguns.org/GTA/MGalleryItem.php?id=4207" alt="" />” for attribute “href” on element “a”: Illegal character in query: “"” is not allowed.
Bad value “%3Cimg%20src=%22https:/www.gatewaytoairguns.org/GTA/MGalleryItem.php?id=5258" alt="" />” for attribute “href” on element “a”: Illegal character in query: “"” is not allowed.
Stray end tag “div”.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
Element “fb:like” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Element “g:plusone” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Warnings:
Attribute “xmlns” is not serializable as XML 1.0.
The “language” attribute on the “script” element is obsolete.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The “border” attribute is obsolete.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.
Element name “fb:like” cannot be represented as XML 1.0.
Element name “g:plusone” cannot be represented as XML 1.0.
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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