Maximizing Open Rates with Send Time Optimization Klaviyo

August 16, 2023
Kenny Trusnik

Mastering the art of “send time optimization klaviyo” can be a game-changer for eCommerce businesses. It’s one of the top email marketing automation platforms that empowers you to maximize your email open rates by sending them at optimal times.

This blog post will delve deep into how Klaviyo’s Smart Send Time works, its benefits, and best practices while using it. We’ll also explore why it may sometimes be beneficial to turn off smart sending temporarily and ensure fair opening opportunities for all subscribers.

We won’t stop there; we’ll show you how to leverage the full potential of Smart Sending by running multiple tests for optimal results. You’ll learn about the impact of seasonality and product line variations on customer behavior, which are crucial factors in send time optimization klaviyo.

You’ll gain insights into testing optimal email sending times according to seasons and product lines. Finally, we’ll guide you through analyzing test results within Klaviyo’s analytics dashboard for future strategies and adapting these strategies as consumer habits change over time.

Table of Contents

Understanding Klaviyo's Smart Send Time

If you want more opens, Klaviyo’s Smart Send Time is the way to go. This genius feature uses machine learning to figure out the perfect time to send your emails.

How does Smart Send Time work?

It’s simple, really. Klaviyo analyzes your subscribers’ behavior and uses that data to predict when they’re most likely to engage with your emails. Then, it schedules the sends accordingly.

So, if your audience is a bunch of night owls or lunchtime email checkers, Klaviyo’s got you covered. It takes into account time zones, weekdays versus weekends, and even specific days when certain users are more active.

The benefits of using Smart Send Time

Why should you use Smart Send Time? Let me count the ways:

  • Better Engagement Rates: By sending emails when your subscribers are actually online, you’ll see higher open rates and click-throughs.
  • Audience Segmentation: Even if your audience is all over the place, Klaviyo can handle it. Each group gets emails at their preferred times, boosting engagement across the board.
  • Data-Driven Decisions: No more guessing or following generic advice. Smart Send Time lets you make decisions based on your own user behavior data.

Best Practices for Using Smart Send Time

The Smart Send Time feature in Klaviyo is a game-changer for boosting email open rates. But to get the most out of it, here are some tips:

Why You Should Take a Break from Smart Sending

Believe it or not, sometimes switching off smart sending can be a wise decision. By doing this, you level the playing field and give all subscribers an equal chance to open your emails, free from any past behavior bias.

If you’re seeing a drop in engagement or planning to target a new audience, pausing smart send can reset the algorithm and gather more accurate data for future sends.

Give Everyone a Fair Shot

Smart sending relies on past user behavior, but what about those who are new or have recently changed their habits?

  • New Subscribers: Give them a fair chance by temporarily disabling smart sending until enough data is collected to predict their optimal send time.
  • Habit Changes: If someone’s routine has drastically changed, their previously determined optimal send time may no longer be accurate. Take breaks from smart sending to adapt to these shifts over time.

While Smart Send Time is great for personalization, don’t forget to level the playing field and give everyone a fair opportunity to engage with your brand. So go ahead, experiment with temporary pauses and keep things fair.

Leveraging the Full Potential of Smart Sending

While Klaviyo’s Smart Send Time feature is a powerful tool, let’s dive into how you can make the most of it. Tailor this feature to suit your business needs and target audience preferences.

Running Multiple Tests for Optimal Results

To unlock the true power of Smart Send Time, run multiple tests with different parameters. For example, if you sell seasonal products like swimwear or winter coats, test different send times during those seasons. You might discover that customers are more likely to open emails about swimwear early in the morning when they’re planning their beach day.

Seasonality and Product Line Variations Influence Customer Behavior

Don’t forget to test around specific product lines. Different items or categories may have peak interest hours. If you sell electronics and home decor, run separate tests for each category. Customers might prefer reading about new tech gadgets during lunch breaks and browsing home decor inspiration late in the evening.

This granular approach optimizes send times and fine-tunes them based on various factors that influence customer behavior throughout the year.

Remember, this isn’t a one-time process. Consumer habits change over time due to market trends or personal circumstances. Adapt your strategies accordingly without losing the valuable insights gained from previous tests.

To ensure continuity, document all findings in your team’s knowledge base or CRM system like Salesforce Platform. This keeps everyone updated on the evolving best practices for smart sending optimization using Klaviyo.

Abandoned cart Klayvio flow Email Marketing.

Testing Optimal Email Sending Times According To Seasons And Product Lines

The concept of optimizing email send times isn’t limited to just the time of day or week. It extends much further, incorporating elements such as seasonal changes and product line variations. By testing optimal send times according to these factors, you can gain valuable insights into your customers’ online interactions with your brand.

Impact of Weather Changes on Customer Interaction Patterns

Seasonal changes often bring about shifts in consumer behavior. For instance, during colder months, people may spend more time indoors and consequently have more time to check their emails. Conversely, warmer weather might see an increase in outdoor activities leading to fewer email checks.

To understand how weather impacts customer interaction patterns with your emails, consider running tests throughout different seasons. This will allow you to identify any potential correlations between open rates and specific weather conditions or seasons.

Peak Interest Hours Based On Specific Product Lines

Different products attract different audiences who likely have varying schedules and preferences when it comes to checking their inbox. A business owner selling fitness equipment might find that their audience is most active early morning or late evening – before or after typical workout hours.

If you offer a diverse range of products catering for distinct groups within your audience base like Forest City Digital does,, it would be beneficial for you to run separate tests around each product line’s peak interest hours.
This approach will help tailor your email marketing strategy even further by ensuring that messages about certain categories are sent out at the most opportune moments based on observed trends from previous sends related specifically towards those items.

  • Action Step 1: Identify key periods across the year where significant seasonal changes occur which could potentially impact consumer behaviors (e.g., start/end of school holidays).
  • Action Step 2: Run tests during these identified periods while keeping track of hourly open rates for comparison later using Klaviyoa€™s analytics dashboard functionality.
  • Action Step 3: Similarly conduct separate sets of tests focusing solely around individual product linesa€™ peak interest hours – again recording data meticulously for future analysis & comparisons against other scenarios tested previously under similar circumstances but differing variables involved (like seasonality vs product-line specificity).

Key Takeaway: 

Testing optimal email send times according to seasons and product lines can provide valuable insights into customer behavior. By considering factors such as weather changes and peak interest hours for specific product categories, businesses can tailor their email marketing strategies to maximize engagement with their audience. Klaviyo’s Smart Send Time tool and analytics capabilities make it easier for marketers to test and analyze open rates, overcoming one of the biggest challenges in email marketing.

Analyzing Test Results For Future Strategies

Once you’ve conducted assessments and obtained data, it’s time to delve into the figures. Analyzing test results in Klaviyo’s analytics dashboard provides concrete evidence to back up assumptions made during testing. This info is invaluable for inspiring new hypotheses worth testing in the future.

Comparing Test Scenarios Side-by-Side

Klaviyo’s analytics dashboard lets you compare different test scenarios side by side. You can view open rates, click-through rates, and other engagement metrics for each send time tested. These insights help you understand which times resulted in higher engagement levels.

  • Hourly Open Rates: See when most subscribers open emails. Schedule more emails around those times if there are clear peaks.
  • Click-Through Rates (CTR): High CTRs mean recipients not only opened the email but also interacted with its content.
  • Bounce Rate: A high bounce rate could suggest some subscribers aren’t receiving emails due to inconvenient send times or spam folders.

In addition to comparing send times directly in the dashboard, look out for trends over longer periods. Maybe one week had unusually high open rates due to a holiday sale or major news story affecting customer behavior?

This analysis requires ongoing monitoring and retesting as consumer habits change. Repeat this process every few months to ensure your email marketing strategy remains effective despite changing circumstances.

Making Data-Informed Decisions

The goal isn’t just understanding what happened, but using this knowledge strategically. By leveraging Klaviyo’s powerful analytics tools alongside regular retesting cycles, eCommerce business owners can make informed decisions about optimal sending schedules tailored to their unique audiences’ preferences.

Retesting Periodically Without Losing Original Learning

In this fast-paced digital landscape, staying the same isn’t an alternative. Consumer habits change over time and so should your email marketing strategies. One key aspect that requires regular reevaluation is your email send times. It’s essential to recognize that uncovering the ideal send time is not a static process.

Finding an optimal send time once isn’t enough; retesting periodically becomes necessary as consumer preferences shift with changing trends and lifestyles. This doesn’t mean disregarding original learnings from previous tests – far from it. The idea is to adapt those insights into newer contexts for continued success.

Adapting Strategies According To Changing Consumer Habits

The importance of adapting strategies according to evolving consumer habits cannot be overstated in today’s dynamic market scenario. For instance, if you’ve noticed a dip in open rates during previously successful send times, it might indicate changes in customer behavior patterns or lifestyle shifts among your target audience segments.

This could be due to various factors like seasonal variations, changes in work-from-home norms, or even major events impacting daily routines (like school holidays). Hence, keeping track of these external influences can help fine-tune your sending schedules for better engagement levels.

  • Klaviyo’s blog post on Email Send Time Optimization provides excellent insights into understanding these dynamics and adjusting accordingly.
  • You can also leverage Klaviyo’s robust analytics dashboard for comparing test scenarios side-by-side within Klaviyo’s analytics dashboard and making data-driven decisions based on concrete numbers backing up any assumptions made earlier. This guide

To sum up: Don’t rest on past laurels when it comes to optimizing email send times. Embrace the fluidity of consumer behaviors by continuously testing different parameters while incorporating valuable lessons learned from previous rounds – all without losing sight of what worked before.


Key Takeaway: 

Regularly retesting email send times is crucial in the ever-changing world of eCommerce, as consumer preferences and habits shift over time. Adapting strategies to these changes can help improve engagement levels and ensure continued success, while still incorporating valuable lessons learned from previous tests.

FAQs in Relation to Send Time Optimization Klaviyo

How do I find the best send time on Klaviyo?

Use Klaviyo’s Smart Send Time feature to analyze your subscribers’ behavior and determine optimal email sending times.

How long does Klaviyo take to send emails?

Klaviyo sends emails almost instantly, but delivery speed can depend on factors like recipient server settings and internet service providers.

What does smart send time enable you to do in Klaviyo?

Smart Send Time allows you to optimize email delivery based on when each subscriber is most likely to engage with it.

How does send time optimization work?

Send time optimization works by analyzing historical data about when subscribers open their emails, allowing for personalized scheduling of future campaigns.


Send time optimization in Klaviyo: the key to email marketing success. With Smart Send Time, your emails hit the inbox at the perfect moment for each subscriber.

Open rates soar, engagement skyrockets, and your campaigns become unstoppable. But don’t get complacent – consumer habits change, seasons shift, and you need to adapt. Run tests, analyze results, and fine-tune your sending times for maximum impact. Consider weather changes, product line variations, and anything else that could affect your audience.

Stay on top of the game, and watch your email marketing thrive.

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