Mcpsmd.org W3C HTML Markup Validation
HTML markup errors and warnings
(Rescan now...)
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”.
Attribute “name” not allowed on element “li” at this point.
Attribute “for” not allowed on element “a” at this point.
Duplicate ID “search”.
Bad value “” for attribute “src” on element “iframe”: Must be non-empty.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Element “div” not allowed as child of element “h5” in this context. (Suppressing further errors from this subtree.)
Attribute “content” not allowed on element “div” at this point.
Attribute “video” not allowed on element “div” at this point.
Bad value “http://apps.montgomeryschoolsmd.org/itvflash/posterFrames/Youtube-MCPS This Week English .jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “http://apps.montgomeryschoolsmd.org/itvflash/posterFrames/Corollary Posterframe with carrot.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “http://apps.montgomeryschoolsmd.org/itvflash/posterFrames/SI EP13 Homepage Posterframe Carrot.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Warnings:
The “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “search” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
Empty heading.
United States US
