The Googlecache is a better way to check, examples:
That might not work a few days from now (caches are temporary), easiest way to check is a Google site search
https://www.google.co.uk/search?q=site:https://community.letsencrypt.org
Check the Google cache of indexed webpages : there’s a little downward arrow next to indexed URLs with the “Cached” link. You can see Google does cache the semi-hidden link.
Can also see them specifically for this site via this search:
David Law