How to restore a website from the Wayback Machine
A step-by-step guide: find the last healthy snapshot, download the right capture of every URL, and put the site back online without losing a single URL.
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Expired domains
Buying, checking and rebuilding expired domains without losing their backlinks.
Why the original URLs must not change when you rebuild an expired domain
Backlinks point at exact addresses. Here is how to keep .php pages, query strings and missing trailing slashes working on modern hosting, without a single redirect.