Errors:
Quirky doctype. Expected “<!DOCTYPE html>”.
The “text” attribute on the “body” element is obsolete. Use CSS instead.
The “vlink” attribute on the “body” element is obsolete. Use CSS instead.
The “alink” attribute on the “body” element is obsolete. Use CSS instead.
The “link” attribute on the “body” element is obsolete. Use CSS instead.
The “bgcolor” attribute on the “body” element is obsolete. Use CSS instead.
The “align” attribute on the “p” element is obsolete. Use CSS instead.
Bad value “images/interface guider/1.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Start tag “a” seen but an element of the same type was already open.
The “width” attribute on the “hr” element is obsolete. Use CSS instead.
The “font” element is obsolete. Use CSS instead.
Attribute “height” not allowed on element “table” at this point.
The “width” attribute on the “table” element is obsolete. Use CSS instead.
The “align” attribute on the “table” element is obsolete.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The “border” attribute on the “table” element is obsolete.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The “width” attribute on the “td” element is obsolete.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.
The “height” attribute on the “td” element is obsolete. Use CSS instead.
Bad value “post card/post card.htm” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “images/post card/ST8679-2.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “1” for attribute “border” on element “img”: Only “0” is a permitted zero literal.
The “align” attribute on the “img” element is obsolete. Use CSS instead.
Bad value “riser card/riser card.htm” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “images/PCI PCIe riser/8019C PCIE 1X TO 16X RISER CABLE.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “SATA adapter/HDD-SSD adapter guider.htm” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “images/interface guider/SATA 22pin/5014.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “rs232 rs485 converter/rs232 rs485 converter.htm” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “images/rs232 rs485-422/STM485.gif” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
End tag “a” violates nesting rules.
End tag “font” violates nesting rules.
Element “p” not allowed as child of element “strong” in this context. (Suppressing further errors from this subtree.)
End tag “td” seen, but there were open elements.
Unclosed element “strong”.
Bad value “images/sata case.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
Bad value “images/logo (2).gif” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Warnings:
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.