Minedu.gob.bo W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
The “sizes” attribute may be specified only if the “srcset” attribute is also present.
Bad value “40%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
No space between attributes.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “presidente” not allowed on element “span” at this point.
Attribute “evo"” not allowed on element “span” at this point.
Attribute “nivel” not allowed on element “span” at this point.
Attribute “secundario"” not allowed on element “span” at this point.
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Attribute “evo"” is not serializable as XML 1.0.
Attribute “secundario"” is not serializable as XML 1.0.
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