How to compare seed test results over time?

Tracking seed test trends:

Consistent methodology:

Same seed list composition

Same sending conditions

Same content type

Regular schedule (weekly/bi-weekly)

Metrics to track:

Inbox percentage by provider

Spam percentage by provider

Missing/other percentage

Trend analysis:

Chart over time

Compare week-over-week

Note any changes in methodology

Interpretation:

Improving inbox % = recovery working

Declining = problems continuing or new issues

Provider-specific patterns = targeted issues

Consistent measurement enables valid trend analysis.