๐Ÿ’ช Heavy or light? (I ran the experiment)

Preview text: ๐Ÿ’ช Heavy or light? (I ran the experiment) 96 What 60 days of one-arm training taught me:

Built With ScienceWednesday, Jul 8, 2026 at 9:08 AM EasternHubSpot
Built With Science๐Ÿ’ช Heavy or light? (I ran the experiment)
Subject
๐Ÿ’ช Heavy or light? (I ran the experiment)
Preview text
๐Ÿ’ช Heavy or light? (I ran the experiment) 96 What 60 days of one-arm training taught me:
From
jeremy@builtwithscience.com
Sent
Wed Jul 8, 2026, 9:08 AM ET
Size
38 KB
Images
2
Links
3, 1 of them buttons
Subject length
40 characters

Against Built With Science's usual

Sent in its busiest hour, 9 AM, which holds 71% of its emails. The subject is 40 characters; its average is 29.

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
Jeremy Ethier - Built With Science <[email protected]>
Subject
๐Ÿ’ช Heavy or light? (I ran the experiment)
Date
Wed, 8 Jul 2026 06:08:26 -0700
Message-ID domain
bf54x.hubspotemail.net
Return-Path domain
bf54x.hubspotemail.net
DKIM signature
d=bf54x.hubspotemail.net s=hs2; d=builtwithscience.com s=hs1-21065354
Authentication
dkim=pass (bf54x.hubspotemail.net), dkim=pass (builtwithscience.com), spf=pass (bf54x.hubspotemail.net), dmarc=pass (builtwithscience.com)
List-Unsubscribe
Present, one-click
Feedback-ID sender
HubSpot

Servers it passed through, newest first

  1. from bd77gmb.bf54x.hubspotemail.net [143.244.91.81] by our receiving server with ESMTPS

Other sending headers (names only): X-HS-Cid, X-Report-Abuse-To

Report this email

Sent just before and after

Jul 18, 2026 9:05 AM๐Ÿ’ช Never skip leg day
Jul 15, 2026 9:08 AM๐Ÿ’ช Soreness = growth, right?
Jul 12, 2026 10:35 AM๐Ÿ’ช NEW VIDEO: I eat 8,312 calories in 1 day
Jul 8, 2026 9:08 AM๐Ÿ’ช Heavy or light? (I ran the experiment) (this email)
Jul 4, 2026 9:10 AM๐Ÿ’ช He thought it was just loose skin
Jul 1, 2026 9:07 AM๐Ÿ’ช Why your belly is always last to change
Jun 28, 2026 11:06 AM๐Ÿ’ช Why rest can make it WORSE

More from Built With Science

All Built With Science emails

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. You'll get a confirmation email first, and you can unsubscribe anytime.