A/B testing your fax campaigns is a smart way to optimize messaging, offers, and timing—so you get better responses without guessing. Here’s a simple step-by-step fax lists guide to running an effective A/B test on your fax lists.
Step 1: Define Your Goal
Decide what you want to improve—e.g.,
Response rate
Lead quality
Appointment bookings
Website visits
Step 2: Choose One Variable to Test
Test only one change at a time for clear results. Examples:
Message headline (Version A vs. Version B)
Call-to-action (CTA) wording
Offer type (discount vs. free consultation)
Fax send time or day
Step 3: Split Your List Randomly and Evenly
Divide your fax list into two groups of equal size and similar characteristics (industry, geography, etc.).
Group 1 gets Version A; Group 2 gets Version B.
Step 4: Create Your Fax Versions
Design two fax templates differing only by the variable you’re testing.
Keep all other elements (branding, layout, length) consistent.
Step 5: Send Your Test Faxes Simultaneously
Send both versions at the same time or during the same window to avoid timing bias.
Step 6: Track and Measure Results
Monitor response rates, call backs, inquiries, or conversions for each group.
Use unique phone numbers, landing pages, or codes for accurate tracking.
Step 7: Analyze and Decide
Determine which version performed better statistically.
Implement the winning version in your next full-scale campaign.
Bonus Tips
Test only one variable per A/B test for clear insights.
Sample size matters—the bigger the test groups, the more reliable your results.
Document everything to build a knowledge base for future campaigns.
Repeat tests regularly to keep improving.