8051projects.net W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
The “navigation” role is unnecessary for element “nav”.
Errors:
Attribute “hrf” not allowed on element “a” at this point.
Bad value “//schema.org/SiteNavigationElement” for attribute “itemtype” on element “li”: The string “//schema.org/SiteNavigationElement” is not an absolute URL.
Bad value “//data-vocabulary.org/Breadcrumb” for attribute “itemtype” on element “li”: The string “//data-vocabulary.org/Breadcrumb” is not an absolute URL.
Attribute “displaytext” not allowed on element “span” at this point.
Attribute “st_url” not allowed on element “span” at this point.
Attribute “st_title” not allowed on element “span” at this point.
Attribute “st_summary” not allowed on element “span” at this point.
Bad value “http:////www.8051projects.net/download-d254-simple-3-digit-temperature-meter.html” for attribute “href” on element “a”: Unexpected slash or backslash.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
Bad value “http:////www.8051projects.net/user46873.html” for attribute “href” on element “a”: Unexpected slash or backslash.
Bad value “http:////www.8051projects.net/download-d253-led-scrolling-message-display-using-8051.html” for attribute “href” on element “a”: Unexpected slash or backslash.
Bad value “http:////www.8051projects.net/download-d252-smart-home-using-gsm-bluetooth-android-project-report-ppt.html” for attribute “href” on element “a”: Unexpected slash or backslash.
Element “img” is missing required attribute “src”.
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