Email Marketing Segmentation: How Segmentation is Key to Effective for Personalisation - Klaviyo AU
2026-03-10 19:48 Diff
https://www.klaviyo.com/au/products/email-marketing/segmentation

Segments aren’t just about organising contacts—they’re about driving better results. Email campaigns sent to well-defined segments consistently outperform generic blasts. By delivering more relevant content to each audience, you’ll see higher open and click rates, improved deliverability, and, ultimately, more conversions.

Marketers using Klaviyo’s segmentation often report significant lifts in revenue and engagement. For example, cosmetics brand Jean&Len, combined data collected in Klaviyo on their customers’ interests, engagement rate and likelihood to purchase – to create segments which increased their email open rates by 185%, to 46.5%. When you send the right content to the right people, they respond—and your bottom line benefits.

– Personalised content delivery: Segmentation enables you to craft messages that resonate with each group. Rather than generic copy, you can personalise product recommendations, imagery, and offers for each segment. This relevance grabs subscribers’ attention and encourages them to act, leading to higher engagement with your emails.

– Improved deliverability: Targeted emails reduce the chances of subscribers hitting “unsubscribe” or marking messages as spam, because they’re receiving content they find valuable. By segmenting out unengaged contacts and tailoring frequency per segment, you protect your sender reputation and see better inbox placement. In short, more of your emails reach the inbox and get welcomed by recipients.

– Increased revenue: Ultimately, sending the right message translates to more sales. Segmented campaigns have higher conversion rates because they speak directly to the customer’s needs or stage in the buyer journey. You’ll drive more purchases and repeat business by nurturing each segment with the appropriate offers and content. Many Klaviyo brands cite double-digit lifts in revenue after refining their segmentation strategy.