Salesforce.org W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Bad value “https://www.facebook.com/tr?id=915821355183526&ev=PageView
&noscript=1” for attribute “src” on element “img”: Tab, new line or carriage return found.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “homepage/HowItWorks_doubewide” for attribute “id” on element “g”: Not a valid XML 1.0 name.
Duplicate ID “Line”.
Duplicate ID “Symbols”.
Duplicate ID “Path-9”.
The text content of element “script” was not in the required format: Expected space, tab, newline, or slash but found “l” instead.
Element “script” must not have attribute “charset” unless attribute “src” is also specified.
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “Line” was here.
The first occurrence of ID “Symbols” was here.
The first occurrence of ID “Path-9” was here.
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