The most successful thing I've built in a long time

Preview text: The most successful thing I've built in a long time Plus how to pitch AI test ideas to…

SPEEROThursday, Oct 1, 2026 at 12:05 AM EasternMailchimp
SPEEROThe most successful thing I've built in a long time
Subject
The most successful thing I've built in a long time
Preview text
The most successful thing I've built in a long time Plus how to pitch AI test ideas to…
From
ben@speero.com
Brand
SPEERO
Sent
Thu Oct 1, 2026, 12:05 AM ET
Sent to
landingpagemakeover.com, markitekt.com, speero.com
Size
77 KB
Images
10
Links
18, 2 of them buttons
Subject length
51 characters

Against SPEERO's usual

Sent in the 12 AM hour, which holds 2% of its emails; 16% arrive in the 3 PM hour. The subject is 51 characters; its average is 57.

Email headers

What the brand's servers put on this email. Our receiving servers, the address we subscribed with and unsubscribe links are left out.

From
S P E E R O <[email protected]>
Reply-To
…@inbound.mailchimpapp.net
Subject
The most successful thing I've built in a long time
Date
Thu, 1 Oct 2026 04:05:08 +0000
Message-ID domain
mail75.atl91.mcsv.net
Return-Path domain
mail75.atl91.mcsv.net
DKIM signature
d=speero.com s=k3
List-Unsubscribe
Present, one-click
Mailer
Mailchimp Mailer
Feedback-ID sender
mc

Servers it passed through, newest first

  1. from localhost [127.0.0.1] by mail75.atl91.mcsv.net with ESMTP

Other sending headers (names only): X-Campaign, X-campaignid, X-Report-Abuse, X-MC-User, X-Auto-Response-Suppress, X-Accounttype

Report this email

Sent just before and after

Oct 15, 2026 8:55 AMYour conversion rate dropped. Nothing on the site changed. · Resent
Oct 9, 2026 8:02 AMWelcome to Experimentation Revolution
Oct 9, 2026 6:32 AMYour conversion rate dropped. Nothing on the site changed.
Oct 1, 2026 12:05 AMThe most successful thing I've built in a long time (this email)
Sep 17, 2026 4:18 AMYour A/B Test Result Is Not a 12-Month Forecast
Sep 10, 2026 3:25 PMThe AI system built to pass a data governance audit
Sep 3, 2026 5:48 AMThe AI system built to pass a data governance audit

More from SPEERO

All SPEERO emails

Sent the same day by similar brands

Same ESP and the closest weekly volume, sent on Oct 1, 2026.

Get the Black Friday insights

We're collecting every Black Friday email from more than 50,000 brands as it lands. Get what we find: who starts first, the biggest discounts, and the subject lines that stand out.

Free. Unsubscribe anytime.