Wimax-broad.jp W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
No space between attributes.
Attribute “,” not allowed on element “img” at this point.
Bad value “/img-new/common/icon_footer_creditcard.png?cache_file=20180927055718, /img-new/common/icon_footer_creditcard@2x.png?cache_file=20180927055718” for attribute “srcset” on element “img”: Density for image “/img-new/common/icon_foot…cache_file=20180927055718” is identical to density for image “/img-new/common/icon_foot…cache_file=20180927055718”.
Bad value “/img-new/common/icon_footer_cashcard.png, /img-new/common/icon_footer_cashcard@2x.png?cache_file=20180927055718” for attribute “srcset” on element “img”: Density for image “/img-new/common/icon_foot…cache_file=20180927055718” is identical to density for image “/img-new/common/icon_footer_cashcard.png”.
Bad value “” for attribute “width” on element “iframe”: The empty string is not a valid non-negative integer.
Bad value “” for attribute “height” on element “iframe”: The empty string is not a valid non-negative integer.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginheight” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginwidth” attribute on the “iframe” element is obsolete. Use CSS instead.
Warnings:
Attribute “,” is not serializable as XML 1.0.
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