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I am trying to validate my page as HTML 5 (W3c). And I have the following error: The "img" element is not allowed here (as a child of the "noscript" element). The "noscript" element, when a child of "head", must contain only the following child elements: "link", "style", and "meta".
On site https://developers.facebook.com/docs/ads-for-websites/conversion-pixel-code-migration recommendation for my code:
"Copy and paste the upgraded code snippet between <head>; and </head>; in the HTML code of your website where you want to track conversions. For example, to track registrations, place the code on your 'registration completed' web page."
please see the source code:
<head>
<script type="text/javascript">
var fb_param = {};
fb_param.pixel_id = '1234567890';
fb_param.value = '10.00';
fb_param.currency = 'USD';
(function(){
var fpw = document.createElement('script');
fpw.async = true;
fpw.src = '//connect.facebook.net/en_US/fp.js';
var ref = document.getElementsByTagName('script')[0];
ref.parentNode.insertBefore(fpw, ref);
})();
</script>
<noscript><img height="1" width="1" alt="" style="display:none" src="https://www.facebook.com/offsite_event.php?id=1234567890&value=10.00¤cy=USD" /></noscript>
</head>
Is it possible to modify this code and pass validation (in head section)?
791
W3C’s HTML5 specification defines the content model of a noscript element in the head element like this:
[…] in any order, zero or more
linkelements, zero or morestyleelements, and zero or moremetaelements.
As you can see, it cannot contain anything else than link/style/meta elements. So no, it’s not possible to modify anything to allow an img inside of a noscript element inside of the head element.
But you can have an img inside of noscript if you place the noscript element in the body, as the content model is in that case:
transparent, but there must be no
noscriptelement descendants.
Transparent means that it has the same content model as its parent element. So for example, if the noscript is inside a div, it may contain anything that a div may contain (except of another noscript).
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