Subject lines that earn the open
29 topic pages. Each has 10 hand-written subject line examples plus a 200-word essay on what makes the pattern work. Built from scoring real outbound and lifecycle email at scale.
Black Friday
Subject lines that earn opens in the most saturated week of the year.
10 examples →
Welcome emails
First-impression subject lines for new signups.
10 examples →
Abandoned cart
Subject lines for the cart-recovery sequence.
10 examples →
Demo request follow-up
Subject lines for the email sequence after a B2B demo request.
10 examples →
Cold-email follow-ups
Subject lines for the no-response follow-up sequence.
10 examples →
Cold outreach (SaaS)
Subject lines for cold pitches into SaaS companies.
10 examples →
Newsletter sends
Subject lines for recurring newsletter editions.
10 examples →
Winback / lapsed customer
Subject lines for customer reactivation sequences.
10 examples →
Product launch announcements
Subject lines for new product or feature launches.
10 examples →
Re-engagement sends
Subject lines for dormant-but-not-churned subscribers.
10 examples →
Post-purchase confirmations
Subject lines for transactional and post-purchase flows.
10 examples →
Free-trial nurture
Subject lines for in-trial activation and conversion.
10 examples →
Upgrade / expansion prompts
Subject lines for in-product upgrade triggers.
10 examples →
Agency cold pitch
Subject lines for agency / service business outreach.
10 examples →
Event / webinar invites
Subject lines for live event and webinar promotion.
10 examples →
Survey / feedback requests
Subject lines for asking customers for input.
10 examples →
Founder updates
Subject lines for founder-signed customer updates.
10 examples →
Discount / promotional
Subject lines for discount-led promotional sends.
10 examples →
Thank-you / appreciation
Subject lines for genuine thank-yous and customer appreciation.
10 examples →
Back-in-stock notifications
Subject lines for restock alerts.
10 examples →
Browse abandonment
Subject lines for the visitor who viewed but didn't add to cart.
10 examples →
Internal company comms
Subject lines for internal team / employee communications.
10 examples →
Podcast guest pitches
Subject lines for cold pitching as a podcast guest.
10 examples →
Investor updates
Subject lines for monthly / quarterly investor letters.
10 examples →
Renewal reminders
Subject lines for subscription renewal notices.
10 examples →
Referral asks
Subject lines for referral / introduction asks.
10 examples →
Course / cohort marketing
Subject lines for cohort-based course promotion.
10 examples →
Fundraising / round updates
Subject lines for capital-raise-related emails.
10 examples →
Milestone / anniversary
Subject lines for company / customer milestone moments.
10 examples →