There is only one well compressible file in each archive (html), the rest are png and jpg images which are already compressed and the archiver keeps them untouched. So the choice of the archiver would not affect the resulting size of archives significantly.
Also, many new unpackers (7z, rar, …) are able to unpack zip-files, but not the other way around.
It is possible but I am afraid it would not add the value you expect from WARC.
Archive.is’ snapshots are not result of the crawl but snapshots of the internal browser state.
So there is almost no metadata and even the original URLs of images are not stored (moreover, some of the images were not downloaded at all but produced by rendering complex WebKit-specific CSS sentences in order the snapshot could be simpler and less dependent on the browser of the user).
Only those which either have “happy hours” of free access or registration-free access to all articles but limits the per-day or per-month number of articles to see.
Those which always shows “enter you credit card” instead of articles - definitely no.
this is a bug, thank you for reporting!
Forever. Actually, I think, in 3-5-10 years all the content of the archive (it is only ~20Tb) could fit in a mobile phone memory, so anyone will be able to have a synchronized copy of the full archive. So my “forever” is not a joke.
Two persons, currently.
Not yet.
You are the first person asking for this :)
No.
You can create a collection of your archived paged on http://delicious.com/ or http://pinterest.com/
necesitas navegar al websitio original para usar la multimedia de la pagina
You should contact the issuer bank to ensure they have the cards blocked. Banks can be found by the prefix of the card number (http://en.wikipedia.org/wiki/List_of_Issuer_Identification_Numbers).
You can download a .zip file (there is a link in the header).