Salve a tutti sto effettuando il validator ad una pagina...
Da 400 errori sono sceso a 12 che non capisco quale sia il problema..
eccoli :

codice:
Below are the results of attempting to parse this document with an SGML parser. 

Line 130, column 20: there is no attribute "SRC"

<IFRAME SRC="http://www.sonnerie.net/external/DrtTop/get.bestcat.php?t=1

You have used the attribute named above in your document, but the document type you are using does not support that attribute for this element. This error is often caused by incorrect use of the "Strict" document type with a document that uses frames (e.g. you must use the "Transitional" document type to get the "target" attribute), or by using vendor proprietary extensions such as "marginheight" (this is usually fixed by using CSS to achieve the desired effect instead). 

This error may also result if the element itself is not supported in the document type you are using, as an undefined element will have no supported attributes; in this case, see the element-undefined error message for further information. 

How to fix: check the spelling and case of the element and attribute, (Remember XHTML is all lower-case) and/or check that they are both allowed in the chosen document type, and/or use CSS instead of this attribute. 

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Line 130, column 197: there is no attribute "WIDTH"

...=0&amp;t_wi=100%&amp;t_he=20%" WIDTH="320" HEIGHT="250" BORDER="0" MARGINWIDT

✉ 

Line 130, column 210: there is no attribute "HEIGHT"

...00%&amp;t_he=20%" WIDTH="320" HEIGHT="250" BORDER="0" MARGINWIDTH="0" MARGINH

✉ 

Line 130, column 223: there is no attribute "BORDER"

...20%" WIDTH="320" HEIGHT="250" BORDER="0" MARGINWIDTH="0" MARGINHEIGHT="0" HSP

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Line 130, column 239: there is no attribute "MARGINWIDTH"

... HEIGHT="250" BORDER="0" MARGINWIDTH="0" MARGINHEIGHT="0" HSPACE="0" VSPACE="

✉ 

Line 130, column 256: there is no attribute "MARGINHEIGHT"

...DER="0" MARGINWIDTH="0" MARGINHEIGHT="0" HSPACE="0" VSPACE="0" FRAMEBORDER="0

✉ 

Line 130, column 267: there is no attribute "HSPACE"

...GINWIDTH="0" MARGINHEIGHT="0" HSPACE="0" VSPACE="0" FRAMEBORDER="0" SCROLLING

✉ 

Line 130, column 278: there is no attribute "VSPACE"

..." MARGINHEIGHT="0" HSPACE="0" VSPACE="0" FRAMEBORDER="0" SCROLLING="no"></IFR

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Line 130, column 294: there is no attribute "FRAMEBORDER"

...0" HSPACE="0" VSPACE="0" FRAMEBORDER="0" SCROLLING="no"></IFRAME>

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Line 130, column 308: there is no attribute "SCROLLING"

...VSPACE="0" FRAMEBORDER="0" SCROLLING="no"></IFRAME>

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Line 130, column 312: element "IFRAME" undefined

...CE="0" FRAMEBORDER="0" SCROLLING="no"></IFRAME>

You have used the element named above in your document, but the document type you are using does not define an element of that name. This error is often caused by incorrect use of the "Strict" document type with a document that uses frames (e.g. you must use the "Frameset" document type to get the "<frameset>" element), or by using vendor proprietary extensions such as "<spacer>" or "<marquee>" (this is usually fixed by using CSS to achieve the desired effect instead). 

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Line 142, column 438: element "IFRAME" undefined

...CE="0" FRAMEBORDER="0" SCROLLING="no"></IFRAME></div> <!-- fine random l
Il doctype della pagina è la seguente:
<!DOCTYPE html
PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="it" lang="it">

Vi prego di aiutarmi... sto impazzendo :P
Grazie mille