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New research shows brands that retain fewer customers—but increase those customers’ spend—are growing at more than 3x the rate of brands that retained more but failed to increase spend.

The first-ever K:SYD event included expert-led workshops, new research from thought leaders, and a look inside Klaviyo’s product roadmap. Find out about the key takeaways from the event, and how you can act on them today.

Learn how to meet 2025 bulk sender requirements and why MAGY's (Microsoft, Apple, Google, Yahoo) rules are now essential for email deliverability success.

Learn how to write email subject lines that increase open rates. Get best practices, real examples, and expert tips to optimize your email campaigns.

With potential tariffs creating uncertainty and threatening profit margins, here are 3 ways marketers can use Klaviyo to stay resilient and protect profits in any economy.

Unlock 10 powerful SMS integrations with Klaviyo to boost automation, improve performance, and drive more revenue with seamless, data-driven messages.

Bring shoppers back with these 12 abandoned cart email best practices and examples from Klaviyo users. Refine your abandoned cart flow with Klaviyo.

Discover how random sample branching can take your A/B testing to the next level. Learn 6 powerful use cases to improve your email and SMS performance.

Learn what transactional emails are, why they matter, and how to send them. Explore key types, how to create and automate them, and what sets them apart from marketing emails.