Readers need to know whose perspective a product comparison represents. Dseal.org is an owned-brand portal, so comparison content should make that relationship clear and support individual claims with relevant evidence. A disclosure helps readers interpret the context, but it does not make an unsupported performance claim reliable. Use the checklist below when preparing or reviewing a comparison.
State the relationship in plain language
Identify the authoring or publishing brand and any relevant commercial relationship. Place that information where a reader can find it alongside the comparison. Avoid describing an owned-brand article as an independent test or neutral certification. If a document comes from another organisation, identify its source without implying that the organisation endorses the article or its preferred product.
Compare identifiable products and circumstances
Give the exact product references and the purpose of the comparison. Distinguish information about a proposed assembly from information about a brand in general. For example, a document for one system configuration does not establish the performance of every product sold under the same name. Mark unavailable information as unavailable rather than assigning a low score to a competitor whose evidence has not been obtained.
Keep claims connected to their sources
Retain the document title, revision and relevant scope behind a factual statement. Separate a supplied specification, a test result and a project suitability decision. Do not extend a source beyond what it covers or suggest that an older document proves a current product claim. If the evidence cannot support a comparison, narrow the statement or leave the point open for clarification.
Make the reader decision practical
Explain which project inputs still need review and where further product-specific information should be requested. Avoid a universal winner based on selective criteria. Keep the comparison date and revision trail so later changes can be checked. Clear affiliation, consistent criteria and visible limitations help a reader prepare a better enquiry while preserving the difference between a brand explanation and an independent assessment.
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