Why this matters
Promotions-tab emails see roughly 60% of the open rate of Primary-tab emails for the same audience. For revenue-driving campaigns, that gap is significant.
Play 1: Reduce link density
Emails with more than 5 unique URLs are 3.4x more likely to be sorted to Promotions. Consolidate links. Use one prominent CTA.
Play 2: Drop the marketing-template look
Heavy multi-column tables, large hero images, and "design system" components signal "marketing" to Gmail. Plain-looking emails get sorted to Primary more often.
Play 3: Send from a personal-looking From
"Daniel from Loop" outperforms "Loop Marketing" by 18% in our test data. The personal-name pattern signals one-to-one rather than one-to-many.
Play 4: Avoid trigger words in subject
Sale, %off, free, exclusive, limited-time. These do not get you to Spam, but they do get you to Promotions. Subject-line A/B tests usually reveal a Primary-friendly alternative.
Play 5: Personalize past first name
Order numbers, specific feature usage, dates. Emails that reference unique-to-recipient details land in Primary more often.
Play 6: Reply requests
Subject lines that genuinely invite a reply, where a reply is plausible, signal one-to-one. "Quick question about your account" outperforms "Important account update" by 24%.