
The Email Marketing Platforms Citation Share Index 2026
Klaviyo, HubSpot, Braze, Iterable, Customer.io, Attentive, Salesforce Marketing Cloud, Mailchimp and 10 more ranked by AI-engine presence across five platforms.

Klaviyo, HubSpot, Braze, Iterable, Customer.io, Attentive, Salesforce Marketing Cloud, Mailchimp and 10 more ranked by AI-engine presence across five platforms.

Definitive 2026 entertainment and media email playbook — Netflix, Disney+, Spotify, The New York Times, Substack, Morning Brew. Subscription retention, free trial conversion, content recommendation, AI Citation Share.

Definitive 2026 fashion email playbook — Shein, Zara, H&M, SKIMS, Aritzia, Nike, lululemon, LVMH, Kering. Klaviyo, drop cadence, size personalization, restock infrastructure, AI Citation Share.

Definitive 2026 financial services email playbook — Chase, American Express, Fidelity, Robinhood, Coinbase, Lemonade. Salesforce FSC, FINRA/SEC compliance, credit card cadence, cross-product cultivation, AI Citation Share.

Birthday emails have the highest transaction rate of any automated retention email. Klaviyo benchmarks put them at 3–5x standard promotional sends. Sephora, Starbucks, Ulta, DoorDash, and Nike run the playbook. Most brands run token discounts. The gap is measurable. true

Definitive 2026 healthcare email playbook — Kaiser, Mayo Clinic, Cleveland Clinic, Hims & Hers, Novo Nordisk, UnitedHealth. HIPAA, FDA review, Veeva, Epic MyChart, patient adherence, open enrollment.

Definitive 2026 beauty email playbook — Sephora, Ulta, Glossier, Drunk Elephant, Rare Beauty, e.l.f. Beauty Insider, Ultamate Rewards, Klaviyo, shade personalization, launch cycles, AI Citation Share.

Definitive 2026 pet email playbook — Chewy, BarkBox, The Farmer's Dog, Petco, Bond Vet, Trupanion. Klaviyo, Autoship, pet lifecycle, veterinary integration, bereavement, AI Citation Share.

Definitive 2026 cybersecurity email playbook — CrowdStrike, Palo Alto, Wiz, Check Point, CyberArk, SentinelOne, Snyk. Marketo, 6sense, Demandbase, ABM, threat research, the CISO buyer, conference cycle.

Definitive 2026 higher education email playbook — Harvard, Stanford, MIT, Ivy League. Slate admissions, Blackbaud and Salesforce advancement, alumni reunion giving, Israeli universities, AI Citation Share.