Tag
email marketing
4 posts

150+ Cart Abandonment Subject Lines That Convert (2026)
150+ abandoned cart email subject lines tested across 183,000 brands. Real open-rate data, by-email-position breakdown, Klaviyo + Shopify merge tags, mailbox-app truncation limits, deliverability spam triggers, and the 5 patterns that lift opens 22%+.

SMS vs. email marketing in 2026: what the metrics actually say about each channel
SMS wins every engagement metric — 90-98% open rates, 6-35% CTR — but email's unsubscribe rates are 10-15x lower and its ROI is more predictable. This post compares the two channels head-to-head on every retention metric, covers what subscribers actually tolerate from each, and lays out when to use SMS, when to use email, and why brands running both see 30% higher customer lifetime value.

Email deliverability in 2026: the numbers behind whether your emails actually arrive
Email deliverability benchmarks for 2026 — global inbox placement 87.2% (Validity 2026), Gmail 89.8%, Yahoo 87.3%, Microsoft 77.4%, Apple Mail 82%. Apple MPP impact, industry gaps, B2B filtering challenges, BIMI adoption, and Jennings' ratio metrics.

Revenue Per Recipient (RPR) 2026 Benchmarks: $1.94 vs $0.11
Revenue per recipient (RPR) benchmarks for 2026 across 183,000 Klaviyo brands. Campaigns earn $0.11. Automated flows earn $1.94 — an 18x gap. Full data tables, RPME framework, B2B SaaS benchmarks, and HubSpot's $2.05 number reconciled.