Birthdayalarm.com W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The first occurrence of ID “svg_menu” was here.
The first occurrence of ID “svg_x_close” was here.
Empty heading.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.
Errors:
Attribute “ontouchstart” not allowed on element “body” at this point.
Attribute “width” not allowed on element “symbol” at this point.
Attribute “height” not allowed on element “symbol” at this point.
Attribute “x” not allowed on element “symbol” at this point.
Attribute “y” not allowed on element “symbol” at this point.
Duplicate ID “svg_menu”.
Duplicate ID “svg_x_close”.
Stray end tag “source”.
Heading cannot be a child of another heading.
Stray end tag “h3”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Named character reference was not terminated by a semicolon. (Or “&” should have been escaped as “&”.)
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