i still develop HTML and want to make it valid, i use http://validator.w3.org and using more option to check my pages.i wondering why W3 always said size : undefined ? and how to defined my file size to make it recognized by w3c? thanks
what page are you getting size:undefined on? Don't think i've seen that error before, i'd like to see exactly what the validator says (and the code it's saying it about) to be able to help.
You sure it's talking about file size and maybe not some coding error? I've never seen that error either.
Select "More Option" and check enable for Verbose Output ... after that it will bring the result pages at the top of the page we will see Result,address,Modified,Size (Undefined),Content-Type,encoding,doctype,Root Element Information