magento2.3 – Magento 2 Fonts Preload head

I am adding the fonts as specified in magento 2.3 documentation however i am getting the error

Exception #0 (MagentoFrameworkConfigDomValidationException): Element 'font': This element is not expected. Expected is one of ( title, css, link, meta, script, remove, attribute ).

I am adding font as

<font src="https://magento.stackexchange.com/fonts/opensans/light/opensans-300.woff2"/>