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CampaignCache archives marketing emails from hundreds of brands the moment they land. That gives us a dataset most people never see — thousands of real campaigns, side by side, with discount codes pulled out automatically. These are the things we learn from it.
Only about 1 in 6 marketing emails actually contains a coupon code — and when one does, 20% off is the default. What our archive of 2,600+ emails reveals about how brands really discount.
Read the study →Brands don't email at random — they pile into the same narrow window. We mapped 2,605 sends to find the busiest day and hour, and what it means for catching a code.
Read the study →