Csaba Zajdo

CEO & Founder at OptiMonk

Csaba is a serial entrepreneur. He's the founder of OptiMonk, ShopRenter, and Innonic, the first Startup Studio in Debrecen. He's spent his entire career building and optimizing ecommerce sites. If it has to do with conversion optimization and ecommerce, he's interested.

Education

Economics @ University of Debrecen

Expertise

CROEcommerceStartups

Across the web

Articles by Csaba Zajdo

The Future of CRO: Conversion Rate Optimization Trends & Predictions for 2026

The Future of CRO: Conversion Rate Optimization Trends & Predictions for 2026

We’ll take a look at some of the CRO trends and see what the best conversion optimization tool is, so ecommerce owners can tackle these latest trends head-on.

Csaba Zajdo•November 15, 2025

The Ultimate Guide to Creating High-Converting Popups in 2026

The Ultimate Guide to Creating High-Converting Popups in 2026

Whether you’re new to website popups, or you’re already using them, this detailed guide is perfect for you! It’ll help you to run more effective popups.

Csaba Zajdo•June 4, 2025

The Best Customer Satisfaction Survey Questions to Ask in 2026

The Best Customer Satisfaction Survey Questions to Ask in 2026

In this article, we’ll discuss why customer satisfaction surveys are important and take a look at some must-ask questions that you need to consider.

Csaba Zajdo•May 30, 2025

3 Ways to Segment Your Email List: Ranked from Worst to Best

3 Ways to Segment Your Email List: Ranked from Worst to Best

In this article, we’ll examine three different ways to build a segmented list, and rank them from worst to best.

Csaba Zajdo•May 21, 2025

15 Best Shopify Plugins You Need to Optimize Your Ecommerce Store in 2026

15 Best Shopify Plugins You Need to Optimize Your Ecommerce Store in 2026

Installing the right Shopify plugin can increase your sales. In this article, we'll point out the 15 best Shopify plugins you need for your ecommerce store.

Csaba Zajdo•April 28, 2025

Understanding the 5 Stages of Customer Awareness to Increase Your Conversions

Understanding the 5 Stages of Customer Awareness to Increase Your Conversions

Learn about the five customer awareness stages and how you can use them to understand your customers better and increase your conversion and sales.

Csaba Zajdo•December 5, 2024

How to Double Your PPC ROAS: The Magic of Personalization in Practice

Personalization

How to Double Your PPC ROAS: The Magic of Personalization in Practice

Would you like to make a bigger impact with your ad strategy and increase PPC ROAS? Let’s dive into how personalization can work its magic.

Csaba Zajdo•December 4, 2024

How Do Popups Affect Your Website Speed? A Comprehensive Popup Speed Test Study

How Do Popups Affect Your Website Speed? A Comprehensive Popup Speed Test Study

We examined the speed performance of some of the most popular popup software to find out how much of an impact popups have on your website speed.

Csaba Zajdo•October 4, 2024

Should I Use Website Popups? A Guide to Making the Right Choice

Should I Use Website Popups? A Guide to Making the Right Choice

If you're wondering, "Should I use website popups?", this article is for you. We’ll break down when using website pop-ups makes sense and when it’s best to hold off.

Csaba Zajdo•October 2, 2024

15 Best Practices to Create High-Converting Popups

15 Best Practices to Create High-Converting Popups

Are your pop-up campaigns not converting as well as you'd like? In this article, we'll share 15 best practices that can help you create high-performing popups.

Csaba Zajdo•June 4, 2024

Ecommerce Website and Mobile App: Which One is The Best Option for Ecommerce Businesses?

Ecommerce Website and Mobile App: Which One is The Best Option for Ecommerce Businesses?

In this article, we'll explore the pros, cons, and everything in between as we dissect the dilemma of ecommerce website vs. mobile app.

Csaba Zajdo•May 7, 2024

Popup Design Playbook: 35+ Stunning Examples, Templates, and Tips

Popup Design Playbook: 35+ Stunning Examples, Templates, and Tips

There are good popups and bad popups. What tells them apart? Here's an ultimate guide to the best popup design with examples and best practices.

Csaba Zajdo•April 25, 2024

Product Lifecycle Management: Marketing is Everything?

Product Lifecycle Management: Marketing is Everything?

What is product lifecycle management and how can you use it to manage your marketing from the introduction phase? Read on and find out.

Csaba Zajdo•April 18, 2024

Popup Teasers: What They Are & How to Use Them Effectively

Popup Teasers: What They Are & How to Use Them Effectively

In this post, we'll talk about a less intrusive way to show your offer: popup teasers. We'll also share some tips to use them effectively.

Csaba Zajdo•April 11, 2024

Discount Strategy 101: To Discount or Not to Discount?

Discount Strategy 101: To Discount or Not to Discount?

Discounts are one of the most popular pricing strategies. We'll discuss why they work and share tips to create the best discount strategy for your store.

Csaba Zajdo•March 14, 2024

35 Best Responsive Ecommerce Website Examples

35 Best Responsive Ecommerce Website Examples

Have you ever wondered what is a responsive website like and what websites are worth checking out if you need some inspiration? Keep on reading to find out.

Csaba Zajdo•February 29, 2024

How to Manage Online Sales Returns and Allowances

How to Manage Online Sales Returns and Allowances

This article will provide you insights into the psychology of product returns, how to limit your returns, plus 10 actionable tips to create an effective return policy.

Csaba Zajdo•January 14, 2024

Why Your Conversion Rate is Low and How to Fix It?

Why Your Conversion Rate is Low and How to Fix It?

In this post, we’ll discuss why your visitors don’t convert and how you can improve the customer journey with Customer Value Optimization.

Csaba Zajdo•January 9, 2024

Why Do Popups Annoy Visitors And How to Prevent It?

Why Do Popups Annoy Visitors And How to Prevent It?

In this post, we'll discuss the main reasons why popups are usually annoying, and what you can do against them.

Csaba Zajdo•January 4, 2024

How to Run Facebook Ads That Convert: 3 Quick Personalization Tactics To Boost Your Facebook Ad ROI

Personalization

How to Run Facebook Ads That Convert: 3 Quick Personalization Tactics To Boost Your Facebook Ad ROI

In this article, we’ll show you 3 quick and easy tips on how to boost your Facebook Ad return on investment.

Csaba Zajdo•March 27, 2023

Ecommerce Personalization Playbook: Strategies for All Levels

Personalization

Ecommerce Personalization Playbook: Strategies for All Levels

In this article, we’ll show you how you can personalize your website on different levels to boost your conversion rates.

Csaba Zajdo•March 16, 2023

The Ultimate Guide to Website Personalization

Personalization

The Ultimate Guide to Website Personalization

In this ultimate guide, we’ll cover all the topics necessary to kick off your website personalization journey.

Csaba Zajdo•October 4, 2022

5 Strategic Mistakes DTC Brands Make

5 Strategic Mistakes DTC Brands Make

In this article, we'll discuss where D2C brands make their biggest strategic mistakes with their marketing efforts!

Csaba Zajdo•July 12, 2022

12 Little-Known Ways for Klaviyo Users to Grow Leads, Sales & LTV with OptiMonk

12 Little-Known Ways for Klaviyo Users to Grow Leads, Sales & LTV with OptiMonk

In this article, we’ll discuss 12 ways to personalize the user experience and grow your sales with Klaviyo and OptiMonk.

Csaba Zajdo•June 9, 2022

How to avoid conflicts among popup campaigns

How to avoid conflicts among popup campaigns

In this post, we'll look at some practical ways of displaying dozens of personalized popups without overwhelming visitors or annoying them.

Csaba Zajdo•June 7, 2022

Why no single popup can solve all your problems?

Why no single popup can solve all your problems?

In this post, we’ll discuss why no single popup can solve all your problems and how to personalize your website with popups.

Csaba Zajdo•May 31, 2022

New personalization features, email validation + more!

Product Updates

New personalization features, email validation + more!

The last couple of months at OptiMonk were all about improvements. Here's what we've been working on.

Csaba Zajdo•February 3, 2022

Top Reasons Why Popups Don’t Convert

Top Reasons Why Popups Don’t Convert

In this article, we’ll be discussing the reasons why your popups are not working and how can you make them better.

Csaba Zajdo•January 31, 2022

The Advantages of Using Popups

The Advantages of Using Popups

There are many misconceptions regarding popups, so brands are often unsure whether they should use them or not. In this article, we’ll discuss the advantages of using popups.

Csaba Zajdo•January 26, 2022

How to Create Popups Visitors Actually Love

How to Create Popups Visitors Actually Love

In this post, we’ll give you 5 tips you can start following from today if you want to create popups your customers actually love.

Csaba Zajdo•January 21, 2022

How Popups Can Actually Improve User Experience

How Popups Can Actually Improve User Experience

Popups don’t necessarily need to be annoying. What’s more, they can even improve the user experience. Let’s see how!

Csaba Zajdo•January 20, 2022

The 6 Biggest Popup Myths

The 6 Biggest Popup Myths

In this article, we'll bust the 6 biggest myths about popup — and give you some tips about how to use them.

Csaba Zajdo•January 18, 2022

Holiday templates, Refreshed editor, Dynamic free shipping bar ➕ more

Product Updates

Holiday templates, Refreshed editor, Dynamic free shipping bar ➕ more

The last couple of months at OptiMonk were all about improvements. Here's what we've been working on.

Csaba Zajdo•November 18, 2021

Why Your Remarketing Strategy Isn’t Working Anymore And How You Can Fix It

Why Your Remarketing Strategy Isn’t Working Anymore And How You Can Fix It

The old way of ecommerce remarketing is dead. But here's an alternative that all Shopify merchants should use.

Csaba Zajdo•October 14, 2021

Conversational popup & new Cyber Monday templates, emojis ➕ other improvements

Product Updates

Conversational popup & new Cyber Monday templates, emojis ➕ other improvements

The last couple of months at OptiMonk were all about improvements. Here's what we've been working on.

Csaba Zajdo•October 13, 2021

Recently used colors, Deactivate teaser in mobile view, New Lucky Wheels ➕ more

Product Updates

Recently used colors, Deactivate teaser in mobile view, New Lucky Wheels ➕ more

The last couple of months at OptiMonk were all about improvements. Here's what we've been working on.

Csaba Zajdo•August 9, 2021

What's New: May 2021 Product Updates

Product Updates

What's New: May 2021 Product Updates

Let's see what cool features we have in store fou you in May! Learn more about Subscribers / Non-Subscribers Targeting, Shopify Integration and more.

Csaba Zajdo•April 22, 2021

Teaser updates: Optimized operation and better design functionality

Product Updates

Teaser updates: Optimized operation and better design functionality

Do you want to increase engagement and entice your visitors? Get to know our ‘Teaser' tab.

Csaba Zajdo•October 27, 2020

Are Popups bad for SEO? 5 +1 Misconceptions About Popups

Are Popups bad for SEO? 5 +1 Misconceptions About Popups

Join us in this journey where we take a look about the 5+1 most common misconceptions about popups.

Csaba Zajdo•October 3, 2018