Each of the compressed files listed below contain all the files on this website. The files below are regenerated when the Archive is updated, with a filename appropriate to the date. If you want to take such a copy, download the file appropriate to the archiving software you have -
-rw-r--r-- 1 johnny users 3538758 2012-07-14 21:58 jc14Jul12.tar.bz2 -rw-r--r-- 1 johnny users 3954711 2012-07-14 21:58 jc14Jul12.tar.gz -rw-r--r-- 1 johnny users 4343471 2012-07-14 21:59 jc14Jul12.zip
As you can see, of the compression formats in popular use, bzip2 works best on the Archive.