Errors:
Start tag seen without seeing a doctype first. Expected “<!DOCTYPE html>”.
Element “head” is missing a required instance of child element “title”.
Stray start tag “html”.
Attribute “charset” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “content”, “itemprop”, “property”.
Attribute “name” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.
“=” at the start of an unquoted attribute value. Probable cause: Stray duplicate equals sign.
“"” in an unquoted attribute value. Probable causes: Attributes running together or a URL query string in an unquoted attribute value.
Duplicate attribute “good”.
Duplicate attribute “and”.
Duplicate attribute “live”.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “provides” not allowed on element “meta” at this point.
Attribute “good” not allowed on element “meta” at this point.
Attribute “solid” not allowed on element “meta” at this point.
Attribute “information” not allowed on element “meta” at this point.
Attribute “and” not allowed on element “meta” at this point.
Attribute “prices” not allowed on element “meta” at this point.
Attribute “on” not allowed on element “meta” at this point.
Attribute “aquarium” not allowed on element “meta” at this point.
Attribute “saltwater” not allowed on element “meta” at this point.
Attribute “fish,” not allowed on element “meta” at this point.
Attribute “live” not allowed on element “meta” at this point.
Attribute “coral,” not allowed on element “meta” at this point.
Attribute “marine” not allowed on element “meta” at this point.
Attribute “invertebrates,” not allowed on element “meta” at this point.
Attribute “macro” not allowed on element “meta” at this point.
Attribute “algae” not allowed on element “meta” at this point.
Attribute “rock."” not allowed on element “meta” at this point.
Element “title” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Stray start tag “tr”.
Stray start tag “td”.
Stray end tag “td”.
Internal encoding declaration “iso-8859-1” disagrees with the actual encoding of the document (“utf-8”).
Attribute “http-equiv” not allowed on element “meta” at this point.
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
The “center” element is obsolete. Use CSS instead.
Saw “<” when expecting an attribute name. Probable cause: Missing “>” immediately before.
Attribute “height” not allowed on element “table” at this point.
Attribute “<tr” not allowed on element “table” at this point.
The “width” 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 “border” attribute on the “table” element is obsolete. Use CSS instead.
“td” start tag in table body.
The “width” attribute on the “td” element is obsolete. Use CSS instead.
The “align” attribute on the “img” element is obsolete. Use CSS instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray end tag “a”.
A slash was not immediately followed by “>”.
Attribute “naturalsizeflag” not allowed on element “img” at this point.
The “summary” attribute on the “table” element is obsolete. Consider describing the structure of the “table” in a “caption” element or in a “figure” element containing the “table”; or, simplify the structure of the “table” so that no description is needed.
The “name” attribute on the “img” element is obsolete. Use the “id” attribute instead.
Element “center” not allowed as child of element “h2” in this context. (Suppressing further errors from this subtree.)
The “font” element is obsolete. Use CSS instead.
Stray end tag “center”.
Attribute “bordercolor” not allowed on element “table” at this point.
The “bgcolor” attribute on the “td” element is obsolete. Use CSS instead.
The “height” attribute on the “td” element is obsolete. Use CSS instead.
The “valign” attribute on the “td” element is obsolete. Use CSS instead.
Start tag “a” seen but an element of the same type was already open.
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
End tag “td” seen, but there were open elements.
Unclosed element “a”.
Table column 2 established by element “td” has no cells beginning in it.
No “p” element in scope but a “p” end tag seen.
End tag “font” violates nesting rules.
End tag “b” violates nesting rules.
Attribute “border” not allowed on element “a” at this point.
Attribute “hspace” not allowed on element “a” at this point.
Attribute “alt” not allowed on element “a” at this point.
Attribute “align” not allowed on element “a” at this point.
Attribute “<” not allowed on element “img” at this point.
Attribute “a” not allowed on element “img” at this point.
End tag “center” seen, but there were open elements.
Attribute “reef” not allowed on element “a” at this point.
Attribute “aquarium” not allowed on element “a” at this point.
Attribute “corals” not allowed on element “a” at this point.
The “hspace” attribute on the “img” element is obsolete. Use CSS instead.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
No space between attributes.
Attribute “0"” not allowed on element “img” at this point.
Attribute “cellspacing” not allowed on element “img” at this point.
Attribute “cellpadding” not allowed on element “img” at this point.
Bad value “100%” for attribute “width” on element “img”: Expected a digit but saw “%” instead.
A table cell was implicitly closed, but there were open elements.
Unclosed element “b”.
Unclosed element “div”.
Unclosed element “center”.
The “valign” attribute on the “tr” element is obsolete. Use CSS instead.
Start tag for “table” seen but the previous “table” is still open.
Unclosed elements on stack.
Stray end tag “tr”.
Stray end tag “tbody”.
Stray end tag “table”.
End tag for “body” seen, but there were unclosed elements.
Warnings:
Attribute “fish,” is not serializable as XML 1.0.
Attribute “coral,” is not serializable as XML 1.0.
Attribute “invertebrates,” is not serializable as XML 1.0.
Attribute “rock."” is not serializable as XML 1.0.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
Attribute “<tr” is not serializable as XML 1.0.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
A table row was 1 columns wide, which is less than the column count established by the first row (2).
Attribute “<” is not serializable as XML 1.0.
Attribute “0"” is not serializable as XML 1.0.