September 5, 20251 min readEngineering
Under the Hood: How DealPanda Compares Prices
A transparent look at sources, normalization, and how we keep data fresh.
We aggregate from multiple sources and normalize titles, variants, and units to ensure apples-to-apples comparisons. Caching and revalidation keep results fast and fresh.
Quality safeguards
- Duplicate suppression and variant mapping
- Outlier rejection on suspicious price spikes
- Human-in-the-loop spot checks for high-traffic items