to dump all site you can use classic software httrack.com
but if you need archive website you can user archive.is or
Wayback Machine from web.archive.org
bookmarklets to copy website:
archive is
javascript:void(open(‘http://archive.is/?run=1&url=’+encodeURIComponent(document.location)))
javascript:location.href=’http://web.archive.org/save/’+location.href
