This is different. The sticky footer as defined by the article means that the footer appears at the bottom of the document, not viewport. It has nothing to do with position: fixed.
Re:Sticky Footer
by f06111b2bd9b55 on Monday September 30, 2019 @01:44AM
(#21112073)
oh, okay. Nvm then.
https://alisdair.mcdiarmid.org/kill-sticky-headers/
Please just stop using stickys. They are annoying. Thanks.