Witam mam mały problem do końca nie wiem co oznaczają niektóre błędy które pokazuje mi Validator. Może ktoś mi wytłumacz o co biega w takich jak poniżej przypadkach i jak je naprawić?
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Line 22, Column 67: there is no attribute "oncopy"…ody onselectstart="return false" onselect="return false" oncopy="return false">
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Line 22, Column 45: there is no attribute "onselect"…ody onselectstart="return false" onselect="return false" oncopy="return false">
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Line 67, Column 73: required attribute "alt" not specified…<center><img src="images/gif.gif" title="Źródło: www.mebelki.zoni.pl"></center>Line 67, Column 82: end tag for "img" omitted, but OMITTAG NO was specified
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Line 22, Column 21: there is no attribute "onselectstart"<body onselectstart="return false" onselect="return false" oncopy="return false"
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Line 14, Column 117: end tag for "link" omitted, but OMITTAG NO was specified….com/css?family=Eater&subset=latin,latin-ext' rel='stylesheet' type='text/css'>
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Line 14, Column 66: reference to entity "subset" for which no system identifier could be generated…googleapis.com/css?family=Eater&subset=latin,latin-ext' rel='stylesheet' type=…
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line 14, Column 66: reference to external entity in attribute value…googleapis.com/css?family=Eater&subset=latin,latin-ext' rel='stylesheet' type=…
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Line 29, Column 47: element "marquee" undefined… scrollamount="3" behavior="alternate">Strona bierze udział……<center><img src="images/gif.gif" title="Źródło: www.mebelki.zoni.pl"></center>
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Line 14, Column 66: reference not terminated by REFC delimiter…googleapis.com/css?family=Eater&subset=latin,latin-ext' rel='stylesheet' type=…
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Line 13, Column 116: end tag for "link" omitted, but OMITTAG NO was specified….com/css?family=Allan&subset=latin,latin-ext' rel='stylesheet' type='text/css'>
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Line 13, Column 65: reference to entity "subset" for which no system identifier could be generated…googleapis.com/css?family=Allan&subset=latin,latin-ext' rel='stylesheet' type=…
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Line 29, Column 36: there is no attribute "behavior"<marquee scrollamount="3" behavior="alternate">Strona bierze udział…
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Line 13, Column 65: reference to external entity in attribute value…googleapis.com/css?family=Allan&subset=latin,latin-ext' rel='stylesheet' type=…
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Line 13, Column 65: reference not terminated by REFC delimiter…googleapis.com/css?family=Allan&subset=latin,latin-ext' rel='stylesheet' type=…
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Line 13, Column 59: general entity "subset" not defined and no default entity…fonts.googleapis.com/css?family=Allan&subset=latin,latin-ext' rel='stylesheet'…
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Line 2, Column 1: Missing xmlns attribute for element html. The value should be: http://www.w3.org/1999/xhtml<html>
Many Document Types based on XML need a mandatory xmlns attribute on the root element. For example, the root element for XHTML might look like: <html xmlns="http://www.w3.org/1999/xhtml">
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Line 29, Column 23: there is no attribute "scrollamount"<marquee scrollamount="3" behavior="alternate">Strona bierze udział…
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Line 13, Column 59: cannot generate system identifier for general entity "subset"…fonts.googleapis.com/css?family=Allan&subset=latin,latin-ext' rel='stylesheet'…