Web marketing firm DigitalGrit and hosted testing and optimization services provider Offermatica announced a partnership this week to help online marketers to maximize revenue from their search engine marketing campaigns, online advertisements and email campaigns via targeted A/B and multivariate testing.

Offermatica's flagship service tests consumer response to real-time changes in site content. Under the terms of the agreement, Offermatica's services will be integrated into DigitalGrit's conversion enhancement services and technologies.