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A useful catalog comparison records the same visible fields for every listing. This checklist separates stable identity fields from changing commercial fields and from claims that require independent documentation.
The eight-field comparison checklist
- Full displayed name: record the complete product-family or blend name.
- SKU: capture the exact letters and numbers.
- Listed strength: include the number and unit.
- Package quantity: record vial or package count separately.
- Product URL: save the canonical product page.
- Current publication status: note whether the page is publicly available.
- Current price and currency: read them from the live page at the time of comparison.
- Supporting documents: record only genuine files that are linked to the exact item or batch.
Stable fields vs changing fields
| Usually stable | Can change | Requires evidence |
|---|---|---|
| SKU, canonical handle, full catalog name | Price, inventory, publication status, fulfilment timing | Purity, testing, composition details, certifications and experimental claims |
How to avoid a misleading comparison
Compare the same package format and unit. Do not fill missing fields with assumptions, copy a claim from an unrelated product, or use a category label as evidence for a product property. If a required fact is absent, mark it as not provided.
Frequently asked questions
What should I do when a field is missing?
Record it as not provided rather than guessing.
Should screenshots be used as the final reference?
No. Use the live canonical product page because prices and availability can change.
Can two different SKUs be treated as the same listing?
No. Record each SKU separately unless the live catalog explicitly shows them as variants of one product.