Magento W3C validation for css link

Question

I am working to validate W3C errors in the magento shop.It is including the css in theme's page.xml by using the code:

<action method="addCss"><stylesheet>css/styles.css</stylesheet></action>

When check at W3C validator it give error:

Element link is missing required attribute property

I did search for this error and found a sloution here that i can use property='stylesheet' to fix the error.

Now the question is how to use property='stylesheet' here with magento css include code?

IMHO, W3C validation was cool 10 years ago when everybody had those shiny badges on their site, but any more it is just a waste of time and effort for little to no real gain. This is especially true with CMS and e-commerce platforms that dynamically generate HTML. It does help, however, in finding areas that could be improved upon. — Joseph Leedy
– Joseph Leedy, Commented Mar 26, 2016 at 14:00
@JosephLeedy I strongly disagree with you, W3C validation is an important point, especially in terms of performance. I reckon it's worth doing it if you can — Raphael at Digital Pianism
– Raphael at Digital Pianism, Commented Mar 26, 2016 at 18:16

Arunendra · Accepted Answer · 2016-03-28 05:57:50Z

You need to just put element between action method like this <property>property='stylesheet'</property>

For example :-

<action method="addCss"><stylesheet>css/styles.css</stylesheet><property>property='stylesheet'</property></action>

Or if you want to add it in all css links then just copy Head.php from here :

app\code\core\Mage\Page\Block\Html

And paste it here :

app\code\local\Mage\Page\Block\Html

And find the below mentioned line public function getCssJsHtml() in this method

$html .= $this->_prepareStaticAndSkinElements('<link rel="stylesheet" type="text/css" href="%s"%s />'."\n",

Now you can add your property here like :

 $html .= $this->_prepareStaticAndSkinElements('<link rel="stylesheet" type="text/css" property="stylesheet" href="%s"%s />'."\n",

Hope it will work for you.

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