https://revenuefoundations.com weekly 1 https://revenuefoundations.com/papers/datahub-integration 2026-07-21T00:00:00.000Z monthly 0.8 https://revenuefoundations.com/papers/attribution-channel-economics 2026-07-22T00:00:00.000Z monthly 0.8 https://revenuefoundations.com/papers/hubspot-credit-reference 2026-07-22T00:00:00.000Z monthly 0.8