Four steps that still work on the thirteenth agent
This site read twelve homepages. The method below is written so that it costs you nothing when the service you care about is not one of them.
Keep a claim note you can check again
Use the four steps below, then record what the policy actually supports. A missing answer remains an open question.
Why a method beats a verdict
A verdict expires. A method does not. Any page that tells you which service to use is out of date the moment one of them changes a policy, and you have no way to tell when that happened.
There is also a harder problem with verdicts on this subject. To rank these services honestly you would need order-level outcomes across all of them, over time, at a scale no independent site has. What an independent site can actually do is read what a company publishes, write down when it read it, and show you how to repeat that. So that is what this one does.
The four steps below take about ten minutes on a service you have never used. They are worth doing in order, because each one makes the next cheaper.
One: copy the claim exactly, including the boring part
Open the homepage and copy the sentences that promise something, word for word, into a note. Not a summary. The exact string, with its punctuation and its capital letters, because those are what let you search for it again later and what let you notice when it changes.
Collect four kinds: the headline, any badge or guarantee, any number attached to storage or photographs or shipping routes, and the grey text inside the search field. That last one is the least glamorous and often the most useful, because it tells you which marketplaces the service expects to handle. If the platform your item lives on is not named anywhere, you have learned something real before creating an account.
Copy the boring parts too. A claim with a qualifier in it is a different claim, and the qualifier is usually where the answer is.
Source excerpt

Two: write the date down before you do anything else
An undated quotation is worthless and slightly dishonest, because it implies a permanence nobody promised. Companies change their homepages. A storage period stated in September may be different in March, and if you kept no date you cannot tell whether you were misled or simply out of date.
This step takes five seconds and it is the one people skip. It is also the one that makes the other three worth anything, because a claim you cannot place in time cannot be compared with the same claim later.
Three: find the page the company would point at
Now go looking for the same statement somewhere more binding than a homepage. In rough order of how much weight they carry: terms of service, a help centre article, a policy or fees page, a support reply you received in writing, and last of all the marketing copy you started from.
Most badges dissolve at this step, and that is the useful outcome, not a failure. A two-word guarantee has no scope printed on it, so the question you are really asking is what it covers and what it excludes. Search the help centre for the badge wording. If nothing comes back, ask support and keep the reply.
Do the same for any registered company name you find. A company number is checkable in a public register, and checking it is free. Very few of these homepages print one, which makes the ones that do unusually easy to verify.
Source excerpt

Four: write down what you could not confirm
This is the step that separates a check from a feeling. When you finish, you will have three piles: claims you confirmed against a binding page, claims you could not find anywhere else, and claims that turned out to have a qualifier the homepage did not mention.
Keep the second pile. An unconfirmed claim is not a lie and should not be recorded as one. It is an open question, and open questions are what you send to support before you pay rather than after a parcel goes missing.
Do this once and the habit transfers. It works on a service this site has never mentioned, on one that launches next year, and on this site itself, which is why the about page names a person and a working email address rather than describing itself with adjectives.
The short version
Copy the exact words. Date them. Find the binding page. Write down what is still open. Then work through the four decisions that come before you pay.