How we find, verify, and rank discounts

Tripplo's discount code guides bring together discount codes and offers from booking sites, tour operators and hotel chains. We would rather publish no code at all than one we cannot stand behind. This page explains how we find the codes, how we check them and the order in which they appear.

Where we find codes and offers

• The companies' own channels. Promotion pages, terms and conditions and newsletters from the companies themselves. They form the basis of the offers we show.
• Reports from travellers. Posts on Reddit and in open travel forums where travellers say whether a code worked or not.
• Other public sources. Codes circulating online. Until we know more, they are never shown as anything more than a discovered code.

Discount code or offer

A discount code is something you type in at checkout. An offer is a promotion, a member price or a discount that applies through a link. We always keep the two apart and never present an offer as if it were a discount code. A code is only included if it is valid in the market the site serves and we can say where it came from. Codes that only work with cards issued outside the UK are not listed as general UK discount codes.

The labels next to each code

• Verified by Tripplo. We have tried the code ourselves at checkout on the company's UK site and got a lower total price, and the test is documented. The label lasts for no more than seven days after the test and applies only to the booking we tested.
• Reported as working. A traveller describes a successful attempt. We link to the source where we can and say how old the report is when that is known. A report is not the same as our own test.
• Mixed reports. There are both successful and failed attempts, or the results vary.
• Discovered code. The code has turned up in a source but has not been confirmed. It may be published before we have had time to check it, in which case it is labelled as such.

We check the companies' own offers on an ongoing basis, and each offer shows when it was last checked. An offer that has not been checked for seven days is hidden until we have reviewed it again.

When a code stops working

We only say that a code did not work if we have tried it ourselves at checkout and it was rejected or did not bring the price down. When that happens, we report what the checkout said. A code that has simply stopped appearing is never marked as failed on a guess. Codes past their end date are moved to the list of expired codes.

The order in which codes appear

The order reflects how well supported a code is, not how big the discount sounds. Verified codes come first. They are followed by codes with traveller reports and discovered codes, clearly labelled, and then by the companies' own offers. Expired codes, and codes we tested that did not work, are grouped in a separate section at the bottom. Any commission we may earn has no bearing on the label a code is given.

How often we update

We go through our sources regularly, normally every day. If we cannot find a code we can stand behind, the guide says so. Zero codes is an honest answer, not a mistake.

Some links in the discount code guides are affiliate links. You can read more about this on our How we make money page.