Authorize.net W3C HTML Markup Validation
HTML markup errors and warnings
(Rescan now...)
Errors:
Obsolete doctype. Expected “<!DOCTYPE html>”.
A slash was not immediately followed by “>”.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Duplicate ID “myvideo”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “client”.
Duplicate ID “proxystylesheet”.
Duplicate ID “site”.
Duplicate ID “output”.
Stray end tag “div”.
Warnings:
The first occurrence of ID “myvideo” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Empty heading.
The first occurrence of ID “client” was here.
The first occurrence of ID “proxystylesheet” was here.
The first occurrence of ID “site” was here.
The first occurrence of ID “output” was here.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
United States US