Errors:
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
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 with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.
Attribute “group-data” not allowed on element “body” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Attribute “data” not allowed on element “a” at this point.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
Stray end tag “a”.
Bad value “http://twitter.com/share?text=Home Page on Snowbombing&url=http://snowbombing.com/&hashtags=snowbombing” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “mailto:?subject=Snow-M-G... http://snowbombing.com/” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Duplicate attribute “class”.
Duplicate attribute “id”.
Duplicate ID “mc-embedded-subscribe-form”.
Duplicate ID “mc-embedded-subscribe”.
Bad value “https://www.facebook.com/tr?id=451900315142134&ev=PageView
&noscript=1” for attribute “src” on element “img”: Tab, new line or carriage return found.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “mc-embedded-subscribe-form” was here.
The first occurrence of ID “mc-embedded-subscribe” was here.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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