Prooflytics
Marketing Analytics Blog
Benchmarks, attribution frameworks, and platform guides for performance marketers. How to diagnose, decide, and act — without the dashboard fatigue.
- Analytics
Email Send Frequency and List Fatigue: How Often Is Too Often
Subscribers getting more than 5 emails a week unsubscribe at 0.58%, versus 0.07% for 1-2 emails a week - an 8x gap driven by frequency alone. The sweet spot for most B2B and B2C lists sits between 1-3 emails a week, with concrete thresholds for when to cut back.
8 min read - strategy
Salesforce Marketing Cloud Alternatives 2026: What B2B Teams Actually Switch To
SFMC starts at $3,000-5,000 per month for mid-market. Most B2B SaaS teams switching from it land on HubSpot Marketing Hub or Iterable. Here is how to choose -- and what the right infrastructure investment looks like at your stage.
9 min read
