Email marketing insights.
Strategy, automation, and Klaviyo guides written by Pete Devkota. Engineering writing for engineers building revenue.
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Klaviyo vs Iterable: Mid-Market Ecommerce vs Cross-Channel Engagement
Iterable is a cross-channel engagement platform aimed at growth-stage and enterprise brands. Klaviyo is the ecommerce-native ESP. Where each fits and what the cost gap looks like.
Klaviyo vs Drip: Two Ecommerce-First ESPs Compared
Drip and Klaviyo both target ecommerce. Their strategic positions and recent trajectories diverge meaningfully. An honest comparison for brands choosing between them.
Klaviyo vs MailerLite: When to Outgrow MailerLite for Ecommerce
MailerLite is a clean entry-level ESP. For ecommerce brands hitting $500K+ revenue, the ceiling shows up fast. An honest comparison.
Klaviyo vs SendGrid: Marketing Automation vs Transactional Email
SendGrid is built for transactional email and developer-driven sends. Klaviyo is built for ecommerce marketing automation. They solve different problems.
Klaviyo vs Braze: Mid-Market Ecommerce vs Enterprise Marketing Cloud
Braze is the enterprise marketing cloud. Klaviyo is the ecommerce-native ESP. Where each fits, what the cost gap looks like, and the honest recommendation.
Klaviyo vs Constant Contact: When to Outgrow Constant Contact
Constant Contact does broadcast email well. For ecommerce, the limits show up at automation, segmentation, and reporting. An honest comparison.
Klaviyo vs Postscript: SMS Specialist vs Unified Platform
Postscript is the Shopify-native SMS specialist. Klaviyo is the unified email + SMS platform. An honest comparison of where each wins for ecommerce brands.
Klaviyo vs Attentive: SMS for Ecommerce Compared
Attentive is the SMS-first specialist. Klaviyo is the unified email + SMS platform. Where each wins, what you give up either way, and the honest recommendation.
Klaviyo vs HubSpot: Which One Wins for Ecommerce?
HubSpot is genuinely strong for B2B and lead nurture. For ecommerce specifically, the gaps matter. An honest breakdown of where each platform wins.
Price Drop and Back-in-Stock Flows in Klaviyo: Setup and What Converts
Back-in-stock and price drop flows are among the highest-RPR automations available. Here's the exact setup, copy strategy, and benchmarks.
Email Revenue Attribution in Klaviyo: What the Numbers Actually Mean
Klaviyo's revenue attribution numbers are often overstated and frequently misunderstood. Here's what they actually measure, and how to report more accurately.
Email + SMS Marketing in Klaviyo: How to Run Both Without Annoying Your Customers
SMS and email are complementary channels, when you know what belongs in each. Here's how to run both in Klaviyo without burning your list.
Email Marketing Benchmarks for Ecommerce: What Good Actually Looks Like in 2026
Industry-average benchmarks are misleading post-iOS 15. Here are the metrics that actually matter in Klaviyo and what good looks like by flow type.
Klaviyo vs Shopify Email: When the Free Tool Isn't Free Enough
Shopify Email has real limits, limited automation, no predictive analytics, no A/B testing. Here's when to stay, when to switch, and what you unlock.
Klaviyo vs ActiveCampaign for Ecommerce: A Practical Comparison
ActiveCampaign is genuinely strong for B2B and lead nurture. For ecommerce, the gaps matter. Here's an honest breakdown of where each platform wins.
Klaviyo Win-Back Flow: How to Re-Engage Lapsed Customers Without Discounting
Most win-back flows lead with discounts and fail. Here's the 3-email structure that reactivates lapsed customers, and when to actually offer a discount.
Klaviyo vs Omnisend: Which Is Right for Your Ecommerce Store?
An honest comparison of Klaviyo and Omnisend, including where Omnisend wins, where Klaviyo pulls ahead, and how to choose based on your store's actual needs.
BFCM Email Marketing Strategy: How to Plan Your Black Friday Campaigns in Klaviyo
BFCM planning starts in August, not November. Here's the exact campaign calendar, segmentation strategy, and deliverability playbook to execute it.
The Browse Abandonment Flow: Klaviyo Setup and What Actually Converts
Browse abandonment is the most underused flow in Klaviyo. Here's the exact setup, timing, and copy approach that converts without being creepy.
Email Popup Best Practices: What Actually Gets Subscribers (Without Destroying UX)
Most popups fail because of wrong timing, wrong offer, or wrong design. Here's the framework that consistently converts at 6%+.
Klaviyo vs Mailchimp: Why Ecommerce Brands Switch (And What They Gain)
Not a features list, an honest look at why serious ecommerce brands outgrow Mailchimp and what they actually gain when they move to Klaviyo.
Abandoned Cart Email Timing: When to Send Each Email in Your Sequence
The 1h/24h/72h framework for abandoned cart emails, why each window exists, how cart value changes the calculus, and Klaviyo flow settings.
How to Clean Your Klaviyo List Without Killing Your Revenue
List cleaning done wrong tanks deliverability and costs you revenue. Here's the exact process to clean your Klaviyo list without the damage.
Klaviyo Segmentation: The 7 Segments Every Ecommerce Store Needs
The highest-ROI lever in email marketing isn't better copy, it's sending the right message to the right person. Here are the 7 segments that do it.
How to Grow Your Email List for Ecommerce: 8 Strategies That Actually Work
Most list growth advice chases subscriber volume, not buyer quality. Here are 8 strategies that build a list worth owning.
Post-Purchase Email Flow: The Sequence That Turns One-Time Buyers Into Repeat Customers
The post-purchase window is the highest-leverage moment in your customer lifecycle. Here's the 5-email sequence that builds LTV from day one.
Abandoned Cart Email Strategy: The 3-Email Sequence That Recovers 15% of Lost Carts
Most abandoned cart sequences fail because of one email, wrong timing, and discounts too early. Here's the 3-email structure that actually works.
Why Your Klaviyo Emails Are Going to Spam (And How to Fix It)
The real reasons Klaviyo emails land in spam aren't the ones you think. Here's how to diagnose and fix spam placement fast.
Email Deliverability for Ecommerce: What's Actually Hurting Your Inbox Placement
Deliverability isn't about open rates. Here's what actually determines inbox placement, and the Klaviyo settings that matter most.
How Email Analytics Can 2x Your eCommerce Revenue
A deep dive into the metrics that actually move revenue for ecommerce brands, and how to use them to compound results.
10 Email Marketing Flows Every Ecommerce Brand Needs
The essential automated flows that drive 30–50% of revenue for our top clients, and what each one should be doing.
The Ecommerce Brand's Guide to Klaviyo Segmentation
How to segment your list based on purchase cycles, product affinity, and engagement to maximise revenue per send.
Why 40% of Your Revenue Should Come From Email
The benchmark most ecommerce brands are missing, and a clear path to get there with Klaviyo.
Welcome Series That Convert: A Framework for eCommerce
Build a welcome series that turns new subscribers into first-time buyers, with the exact structure we use for our clients.
A/B Testing Your Email Subject Lines: A Complete Guide
A systematic approach to subject line testing that compounds results over time, without burning your list on bad experiments.
Email isn't a landing page.
A field manual on engineering email for revenue. The four forces of email, the lie marketers sold, and why pretty emails lose.