Method

How we source and label

Readers should always know whether a claim is government guidance, our research, a physical test, or advertising.

  • Official guidance Paraphrase of official advice with a citation.
  • Desk research Specs and standards without a physical test.
  • Firsthand test Author-used item with method notes.
  • Reader tip Moderated, not independently verified.
  • Ad Affiliate or other commercial content—shown before engagement.

Full policy: Editorial policy. Cited links:Sources.