<noscript> block in page X like this:
<meta http-equiv="REFRESH" content="0;url=page-y">
For various browsers the percentage of unique IP addresses which are sent to page Y by the
<noscript> section look like this:
(This is based on very low numbers of hits but it's the only data I have.)
★ In case anyone cares, this is from a series of SQLite queries on my log database like the following:
select count (ip_address_id) from
(select distinct ip_address_id from hit, user_agent, page, referrer
where hit.user_agent_id = user_agent.user_agent_id
and hit.page_id = page.page_id
and referrer.referrer_id = hit.referrer_id
and referrer like '%page-x%'
and page like '%page-y%'
and user_agent like '%android%');