💡Can I buy historical backfill data?

Partially. Backfill depth depends on whether target pages remain publicly reachable; Thordata can re-collect surviving content within a specified time window and keyword scope and deliver it with collection timestamps. It cannot cover pages that were removed, login-gated, or paywalled, nor guarantee completeness for a given year. For these requests, validate coverage with a sample before committing to volume — see the official site.