JAA: nice info on gsfn.us; I think a good tinytown project would be the https://getsatisfaction.com/t/{shortcode} URL template.
Does it use normal HTTP 30x codes?
Somebody2: Yep, it does. 302 on success, 404 on error. HEAD supported. I'll set up a project later.
Wow. I just came across makeashorterlink.com on an ArchiveBot job. They use links like http://makeashorterlink.com/?V22D12544 , i.e. 2-3 times as long as the average link shortener. It's down currently, but apparently it's related to TinyURL: https://tinyurl.com/preview.php?site=masl&num=W1F632474
getsatisfaction-com started.
kas-pr started.
Internal shortener of Kaspersky Lab. Their codes are case-insensitive as far as I can tell.
It's worth mentioning that their sites don't use lower-case codes consistently. For example, https://latam.kaspersky.com/blog/stop-doing-that-online/7851/ uses the short URL https://kas.pr/xSk4 , but https://kas.pr/xsk4 also works. Their Twitter accounts seem to *mostly* use lower-char codes, but not consistently. Still, scanning the lower-case codes should be sufficient.
hub.me (internal shortener of HubPages.com) only has codes starting with "a" or "r", as far as I can tell. "a" might stand for "articles", "r" for "replies", but not really sure as I'm not familiar with HubPages. The actual code is then simply a base62-encoded ID. Both the type and the (decimal) ID appear on the target page as well. Many target pages no longer exist, but the short codes still resolve.
Should that be split up into two projects hub-me-a and hub-me-r?
The most recent IDs are close to alvyn and r1cxN, respectively. (The encoding uses the order 0-9a-zA-Z.)
skfb.ly (internal shortener of SketchFab.com) uses incremental 0-9a-zA-Z as far as I can tell. After exhausting four-char codes in ca. February this year, they switched to five-char codes, which all seem to start with "6". The short domain simply maps to sketchfab.com/s/CODE, which then redirects to the relevant entry on the website.
There are also some longer codes, like http://skfb.ly/mki3fe1d0 and http://skfb.ly/mki3fe1c, but I didn't see many of those.
Those that I saw were from ca. 2013.
E.g. on this blog: https://aimtoillustrate.blogspot.com/
JAA: It's two steps, it looks messier than it is because of HTTPS redirection, 2 steps isn't that much
Yeah, I know.
TIL the tracker limits each IP address to one concurrent item/claim per project: https://github.com/ArchiveTeam/terroroftinytown/blob/master/terroroftinytown/tracker/model.py#L587 . Nice!
kas-pr is almost done. I'll let it run a bit into the five-digit codes, but I don't think any of those exist.
getsatisfaction-com is in the five-char codes now, so roughly one sixth done.
kas-pr stopped.