wp-calypso/client/my-sites/jetpack-search/footer.tsx

import WhatIsJetpack from 'calypso/components/jetpack/what-is-jetpack';
import isJetpackCloud from 'calypso/lib/jetpack/is-jetpack-cloud';
import { useSelector } from 'calypso/state';
import getIsSiteWPCOM from 'calypso/state/selectors/is-site-wpcom';
import getSelectedSiteId from 'calypso/state/ui/selectors/get-selected-site-id';

export default function JetpackSearchFooter() {
	const siteId = useSelector( getSelectedSiteId );
	const isWPCOM = useSelector( ( state ) => getIsSiteWPCOM( state, siteId ) );
	const isCloud = isJetpackCloud();

	// Don't display this footer in Jetpack Cloud or for non-WordPress.com sites
	if ( isCloud || ! isWPCOM ) {
		return null;
	}

	return <WhatIsJetpack />;
}