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A Specialty Retailer · Retail

A specialty retailer replaced Tableau and saved $180k per year

A 300-location specialty retailer migrated from Tableau Server to D23 managed Superset and cut its BI licensing bill in half while improving dashboard performance.

$180k

saved per year vs. Tableau

10x

faster dashboard load times

120

dashboards migrated in 6 weeks

The challenge

The retailer was spending over $360k per year on Tableau Server licenses for 500 users. Dashboard load times exceeded 30 seconds for the highest-traffic reports, and the two-person BI team spent more time administering the Tableau infrastructure than building new analytics. Leadership wanted to cut costs without reducing analytical capability.

How D23 helped

  • Migrated 120 Tableau dashboards to Apache Superset on D23 over six weeks, with D23's data team handling the translation.
  • Connected BigQuery (the retailer's primary warehouse) and a Postgres transactional database as data sources.
  • Rebuilt margin, sell-through, and inventory dashboards with Superset's caching layer — load times dropped from 30s to under 3s.
  • Used D23's AI text-to-SQL to let merchants explore margin data by product, location, and season without filing BI requests.
  • Eliminated Tableau Server administration entirely — D23 manages all upgrades, scaling, and backups.
We expected to trade some capability for cost savings. Instead we got faster dashboards, better self-serve, and a team that actually helps us build things instead of just keeping the lights on.
Rachel Donovan · Director of Analytics, Specialty Retailer

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