Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Bad value “Expires” for attribute “http-equiv” on element “meta”.
Bad value “Cache-Control” for attribute “http-equiv” on element “meta”.
Bad value “Pragma” for attribute “http-equiv” on element “meta”.
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.
A “link” element must not appear as a descendant of a “body” element unless the “link” element has an “itemprop” attribute or has a “rel” attribute whose value contains “dns-prefetch”, “pingback”, “preconnect”, “prefetch”, “preload”, “prerender”, or “stylesheet”.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Attribute “height” not allowed on element “table” at this point.
The “width” attribute on the “table” element is obsolete. Use CSS instead.
The “bgcolor” attribute on the “table” element is obsolete. Use CSS instead.
The “border” attribute on the “table” element is obsolete. Use CSS instead.
The “height” attribute on the “td” element is obsolete. Use CSS instead.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
The “width” attribute on the “td” element is obsolete. Use CSS instead.
Bad value “http://www.itlalaguna.edu.mx/nuestro tec/calendarioago-dic17.pdf” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Duplicate ID “Ingenieriasaluex”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “area” is missing required attribute “alt”.
Bad value “http://www.itlalaguna.edu.mx/2014/Nuestro Tec/codigoetica.pdf” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Stray end tag “a”.
Attribute “width” not allowed on element “a” at this point.
Attribute “height” not allowed on element “a” at this point.
Attribute “alt” not allowed on element “a” at this point.
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
The “align” attribute on the “img” element is obsolete. Use CSS instead.
The element “img” with the attribute “usemap” must not appear as a descendant of the “a” element.
Element “map” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
The “align” attribute on the “table” element is obsolete. Use CSS instead.
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
The “font” element is obsolete. Use CSS instead.
The “align” attribute on the “td” element is obsolete. Use CSS instead.
Element “p” not allowed as child of element “font” in this context. (Suppressing further errors from this subtree.)
The “align” attribute on the “p” element is obsolete. Use CSS instead.
End tag “font” violates nesting rules.
Cannot recover after last error. Any further errors will be ignored.
Warnings:
The first occurrence of ID “Ingenieriasaluex” was here.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Mexico MX