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Sector index · Roofing

Which brands does AI name for questions about roofing?

Roofers AI names for leaks, roof renovation and dormers.

No measured week yet · 8 questions ready · not measured yet

Not measured yet

This sector has not been measured yet

The question set for roofing is ready: 8 buying questions and three personas. The index runs part of the sectors each week within a fixed budget; this one is due within 4 weeks. Until then we show no numbers here — a sample leaderboard would suggest a measurement that never happened.

prompt set v1

The 8 questions we ask

  1. 01Wie kan een lekkend plat dak snel repareren in Nederland?
  2. 02Wat kost een nieuw dak voor een rijtjeshuis?
  3. 03Welke dakdekkers zijn betrouwbaar en hebben garantie?
  4. 04Wat kost een dakkapel inclusief vergunning?
  5. 05Welk dakbedekkingsmateriaal gaat het langst mee?
  6. 06Waar vind ik een dakdekker voor spoedreparatie?
  7. 07Welke bedrijven doen dakisolatie en dakbedekking in een keer?
  8. 08Hoe herken ik een betrouwbare dakdekker?

Without a brand name, in Dutch, with the Netherlands as market. The same set every week.

The personas behind the questions

  • Huiseigenaar met een lekkend plat dak
  • Koper die een dakkapel wil plaatsen
  • Vve die een compleet dak laat vervangen

Personas and questions are in Dutch: the index measures the Dutch market.

Full method

How this was measured

  • 01Every question goes to the engines through their API in a clean session: no account, no history, no personalisation.
  • 02Brand names are extracted from each answer (text extraction). Per brand the decision layer judges whether it is a real brand in this sector, whether it is a marketplace, how it is spoken about and how prominently it appears. That certainty is shown in the table.
  • 03Brands only count when the probability that they are a real brand is at least 50%. Borderline cases are left out.
  • 04Share is measured over a four-week window with a 95% confidence interval. Names that turn out to be the same company are merged once the decision layer confirms it.
  • 05Engines without a usable API (such as Google AI Overviews) are not in this index. Browser captures of consumer products follow once the capture service is publicly available; those will be labelled separately.
Full method

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