Purpose, with a paper trail.
Know what is sourced, what is inferred and what has actually been tested.
Three kinds of evidence
Source statements describe what a manufacturer or other identified source says. Editorial inferences explain a possible use and the conditions behind it. Documented tests require a record of the exact model, method, date and observations. A specification sheet is not a hands-on test.
Identity is a specific question
We distinguish the brand owner, the merchant and the country of manufacture. A seller offering a product does not automatically own the brand or have an authorized relationship. Self-reported and independently cross-checked information are labelled separately.
The right model matters
A product can have different sizes, bundles, electrical specifications or regional versions. A conclusion applies only to the model or variants supported by its sources. Confirm the current variant and seller on Amazon before buying.
Updates and corrections
Important specification changes trigger another review of the conclusions that depend on them. Incorrect links or disputed claims can be removed while the remaining information is checked. A failed link check alone is not proof that a product has been discontinued.
Our preview examples
When the site displays the local-preview banner, its sample brands and products are fictional. Their illustrations demonstrate the interface, not real products. They are not buying recommendations and have no affiliate purchase links.