If we have the following features in Zoho Campaigns,we can optimize the email campaigns.
Campaign benchmarking data - provide suggestions on how to improve future email campaign performance by extrapolating from previous campaigns performance.
Subject line helper -provides feedback on how to improve your email's subject line as you’re writing it, which tends to likely capture your audience’s attention and increase the click-through rate.
Inbuilt-Marketing calendar - Ability to track past and future campaigns, schedule the campaign in advance and visualize the status and performance of all the campaigns in one place.
If you have any other features to add,comment it.I'll keep my eyes peeled off for the response.
Regards,
Yaali Bizappln Solutions.