What are lagging indicators of recovery? (e.g., improved inbox placement, better Sender Score)

Lagging indicators confirm sustained recovery:

Postmaster tool improvements:

Gmail reputation moving from Bad/Low to Medium/High

SNDS status improving to green

Sustained improvement over weeks

Inbox placement:

Seed tests showing more inbox delivery

Less spam folder placement

Consistent across providers

Engagement metrics:

Open rates returning to healthy levels

Click rates improving

Reply rates normalizing

Third-party scores:

Sender Score improving

Reputation service ratings rising

Lagging indicators take 2-4+ weeks to reflect changes.

Full health takes time to restore after the crisis passes. Patience is required.