Shortened and redirected links have to be followed first — paste the address they end at, not the one you clicked. Nothing you paste is sent anywhere; the check runs in this tab and is gone when you close it.
What the two digits mean
Amazon Associates is not one programme. Each country runs its own, with its own account and its own tag, and appends its own two digits. A tag issued in one programme earns nothing in another — the link still works, which is exactly why the mistake survives.
| Suffix | Stores that issue it |
|---|---|
-20 |
amazon.com, amazon.ca, amazon.com.mx, amazon.com.br |
-21 |
amazon.co.uk, amazon.de, amazon.fr, amazon.it, amazon.es, amazon.nl, amazon.com.be, amazon.se, amazon.pl, amazon.com.tr, amazon.ae, amazon.sa, amazon.eg, amazon.in, amazon.sg |
— |
amazon.ie |
-22 |
amazon.co.jp, amazon.com.au |
Which is the catch worth knowing: fifteen of the twenty-two programmes share -21, so a matching suffix proves the tag is not from the wrong region — not that it is from the right store. Ireland publishes no suffix at all. Where these IDs come from