W3C home > Mailing lists > Public > www-validator@w3.org > March 2005

Re: Symantecs ad remover removes valid-xhtml image

From: Philippe Wittenbergh <phiw13@gmail.com>
Date: Wed, 30 Mar 2005 12:16:52 +0900
Message-ID: <8f9ae5b9050329191665c99ec@mail.gmail.com>
To: "Jukka K. Korpela" <jkorpela@cs.tut.fi>
Cc: www-validator@w3.org, Peter Albertsson <Peter.Albertsson@spray.se>

On Sat, 26 Mar 2005 09:21:41 +0200 (EET), Jukka K. Korpela
<jkorpela@cs.tut.fi> wrote:
> On Sat, 26 Mar 2005, olivier Thereaux wrote:
> > The "valid" icons aren't ads, so if this tool removes them as such,
> > it's broken, and unfortunately there's little we can do about it.
>[ ...]
> The heuristics can be fairly simplistic, so that they perhaps inspect only
> the width and height attributes in HTML to determine the image's size,
> not anything set in CSS, still less the actual image's properties.
> I haven't studied whether the dimensions are in fact typical in that
> sense. But if they are, then changing the dimensions might affect the
> situation. Maybe even omitting the width and height attributes might
> matter. I'm not saying you should do so, but technically, there are
> things you _could_ do if you wish to increase the visibility of the icons.

Although I've no idea how Symantecs filters work, I do now that this
size of images are blocked by my user stylesheet. Those 88 by 31
images fall in the category of small ads unfortunately. I had the same
problem with some logos a client wanted to include.

A simple workaround for those problems would be to change the image
size slightly (89 by 31 px would escape out of most filters).



Received on Wednesday, 30 March 2005 03:32:58 UTC

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