Doing A/B testing badly can be completely invisible

Preview text: Doing A/B testing badly can be completely invisible Plus a QBR that scores learning, two…

Thursday, Nov 5, 2026 at 8:35 AM EasternMailchimp

SPEERODoing A/B testing badly can be completely invisible

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Subject: Doing A/B testing badly can be completely invisible
Preview text: Doing A/B testing badly can be completely invisible Plus a QBR that scores learning, two…
From: newsletter@speero.com
Brand: SPEERO
ESP: Mailchimp
Sent: Thu Nov 5, 2026, 8:35 AM ET
Sent to: landingpagemakeover.com, markitekt.com, speero.com
Size: 80 KB
Images: 10
Links: 26, 10 of them buttons
Subject length: 51 characters

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Sent in the 8 AM hour, which holds 11% of its emails; 16% arrive in the 3 PM hour. The subject is 51 characters; its average is 57.

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