Errors:
Saw “<?”. Probable cause: Attempt to use an XML processing instruction in HTML. (XML processing instructions are not supported in HTML.)
Duplicate ID “dvlop-letters”.
Duplicate ID “Fill-1”.
Duplicate ID “Fill-2”.
Duplicate ID “Fill-3”.
Duplicate ID “Fill-4”.
Duplicate ID “Fill-5”.
Duplicate ID “Fill-6”.
Duplicate ID “Fill-7”.
Duplicate ID “Fill-8”.
Duplicate ID “Fill-9”.
Start tag “a” seen but an element of the same type was already open.
No “p” element in scope but a “p” end tag seen.
Duplicate ID “email”.
Duplicate ID “password”.
Bad value “submit register-button” for attribute “type” on element “button”.
Duplicate ID “Symbols”.
Duplicate ID “hero-stripe-button”.
Duplicate ID “chevron-bullet”.
Duplicate ID “Fill-7-Copy-5”.
Duplicate ID “chevron”.
Element “img” is missing required attribute “src”.
Attribute “webkitallowfullscreen” not allowed on element “iframe” at this point.
Attribute “mozallowfullscreen” not allowed on element “iframe” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Duplicate ID “Fill-43”.
Warnings:
The first occurrence of ID “dvlop-letters” was here.
The first occurrence of ID “Fill-1” was here.
The first occurrence of ID “Fill-2” was here.
The first occurrence of ID “Fill-3” was here.
The first occurrence of ID “Fill-4” was here.
The first occurrence of ID “Fill-5” was here.
The first occurrence of ID “Fill-6” was here.
The first occurrence of ID “Fill-7” was here.
The first occurrence of ID “Fill-8” was here.
The first occurrence of ID “Fill-9” was here.
The “form” role is unnecessary for element “form”.
The first occurrence of ID “email” was here.
The first occurrence of ID “password” was here.
The first occurrence of ID “Symbols” was here.
The first occurrence of ID “hero-stripe-button” was here.
The first occurrence of ID “chevron-bullet” was here.
The first occurrence of ID “Fill-7-Copy-5” was here.
The first occurrence of ID “chevron” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “Fill-43” was here.
United States US