Varify Blog
Personalization and landing page optimization with Varify.io® — experience from everyday testing work, distilled into practical recommendations.
All articles
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The 13 success factors for perfect forms
Forms decide whether an enquiry ever arrives. Thirteen factors that raise completion rates, from field count and labels to error handling.
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Dynamic keyword insertion for Google Ads landing pages
More conversions through keyword insertion on your Google Ads landing page. Read more in our blogpost.
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Dunning-Kruger Effect: Overconfidence & Incompetence
Learn how to recognize the Dunning-Kruger effect, overcome hubris, and arrive at informed decisions.
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The Diderot effect: identity, consumer behavior & application
Learn more about the Diderot effect and its impact on consumer behavior. Strategies for overcoming the Diderot effect and conscious consumption are presented.
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The decoy effect: psychological pricing with decoy logic
Learn how to subtly use the Decoy effect and which strategies work best.
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Top CRO agencies 2026: Conversion optimization in Germany
Discover top CRO agencies in Germany for 2024. Increase your conversion rates with experts.
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Top CRO agencies in the USA 2026
This overview shows selected CRO agencies from the USA and their approaches to testing, UX and conversion optimization.
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Top CRO agencies in the Netherlands 2026
Find suitable CRO agencies in the Netherlands that help companies with testing and data-based decisions.
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CRO agencies in Brazil: top providers 2026
Overview of CRO agencies in Brazil with a focus on experimentation, user research and scalable optimization approaches.
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CRO agencies in France: top providers 2026
Overview of CRO agencies in France with a focus on experimentation, user research and scalable optimization approaches.
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Accessibility on websites: Requirements and implementation
An in-depth look at digital accessibility, legal frameworks and tried-and-tested approaches.
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Unique selling proposition (USP) simply explained
A USP, i.e. unique selling proposition or unique selling point, shows what makes your offer unique.
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Understanding affect heuristics: Psychology, affect & examples
Discover the power of emotional decision making and learn how to create positive emotions, increase user engagement and boost conversions.
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10 red flags in A/B testing that you should avoid
A/B testing is the most powerful tool for optimizing the conversion rate and making data-based decisions.
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Shopify Themes A/B Testing
Boost the success of your Shopify store with targeted A/B tests for themes and find out which designs really work.
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Conversion funnel: Your ultimate guide
In the guide to conversion funnels, you'll learn how to successfully shape your customer's journey from initial interaction to purchase.
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Master Guide to Conversion Optimization 2026
Discover how to take your website or app to the next level with conversion optimization. Learn effective strategies, best practices and much more.
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The power of the value proposition: best practices
Understand the importance of the value proposition to business success and learn how to develop a compelling value proposition here.
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User Testing: Methods, Processes & Metrics
User testing is more than just feedback. Learn how to collect, analyze and use user experiences in our guide.
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BigQuery & A/B Testing: 100% exact results
In Google Analytics 4 (GA4), data can fluctuate by 2-3 %. The reason for this is sampling, which is used for complex or extensive data queries.
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Limbic Map: An Effective Tool in Neuromarketing
Dive into the world of the Limbic Map - your secret weapon for successful marketing. Understand how decisions are really made!
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A/A tests explained: Validation for reliable data
What are A/A tests? Learn how to validate A/B testing tools, make data reliable and uncover sources of error.
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Server-side tracking with GTM & GA4
Optimize your tracking with Server-Side GTM & GA4 - more precise data, more data protection, better performance.
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What is a split test? Definition, process & best practices
A split test shows which variant performs better. What one is, how a clean setup looks and the mistakes that make a result worthless.
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