The photographs, journal and banknotes site itself — finding your way around, signing in as a friend, sending photographs from a phone, how it is found, and the stack it runs on.
Getting around the siteWhat is on traveller.org and how it is arranged — photographs by country and year, the journal, the banknotes.
Signing in as a friendWhat a friend link does, what it lets you see, and how to tell whether you are signed in on this device.
Sending photographs from your phoneThe phone uploader at traveller.org/api/m — unlocking, choosing an album, picking photographs, and what happens after you press Upload.
How the site is found — SEO & AEOWhat traveller.org publishes for search engines and for AI answer engines, what happens on its own, and the one thing not to do in Search Console.
The stack, and how it worksWhat traveller.org is built from — every service, what it does for the site, how a change and a photograph reach the live pages, how the doors are guarded, and where each console is.