A/B test for emails | 50 ideas for testing emails | Deliver2inbox

Email marketing is a powerful tool, but to truly optimize its impact, one must delve into the world of A/B testing. In this comprehensive guide, we explore the nuances of A/B testing for emails and present you with 50 ready-made ideas for testing. Get ready to revolutionize your email campaigns and witness remarkable results.

What is A/B testing for emails?

A/B testing, also known as split testing, is a method where two versions of an email are compared to determine which performs better. It’s a crucial strategy for refining your email campaigns and enhancing user engagement.

Leveraging A/B Testing for Better Results

Discover how A/B testing enables marketers to analyze different elements of an email, such as subject lines, content, visuals, and calls-to-action, to identify what resonates best with the audience.

The Significance of A/B Testing

Explore why A/B testing is a game-changer, allowing marketers to make data-driven decisions and optimize their email marketing efforts for maximum impact.

what is A B Testing for email marketing

Ensure your sender name and address grab attention, as 64% open emails based on the ‘from’ title. Experiment with personal and company names to enhance engagement.

50 Ready-Made Ideas for Testing

1:Sender Name and Address:

2:Subject Line and Preheader Texts:

Craft short and innovative subject lines. Personalize by adding first names or the company name. Experiment with lowercase subject lines, emojis, questions, and observe which types yield the highest read rates.

3: Font of Heading and Subheading:

Test different fonts, sizes, and weights for headings and subheadings to capture recipient attention. Opt for clear, visually-perceived fonts.

4: Location and Number of Calls to Action:

Experiment with the placement, color, and shape of calls to action (CTAs). Observe engagement patterns and choose the most effective options.

5: Usage of the List:

Test the impact of presenting information in list format versus solid text. Understand recipient preferences for better engagement.

6: Link Order:

Test different ways of presenting links in emails to understand subscriber preferences. Avoid distractions like social links.

7: Tone of Appeal:

A/B test different tones, formal and informal, to identify what resonates best with your target audience.

8: Teaser in the Email:

Insert intriguing teasers to generate excitement about new products or services. Maintain interest and attention.

9: Dynamic Ideas for Content:

Test content variations based on gender, interests, and preferences. Surprise and satisfy recipients with dynamic content.

10: Limitation of Time:

A/B test urgency in campaigns, like “2 hours left” versus a more relaxed approach. Observe which strategy yields better results.

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11: Price Variations:

Experiment with different price formulations, such as percentage discounts versus monetary savings, to understand subscriber preferences.

12: Color of the Letter:

Test different colors for email content. Understand the psychological impact of colors and choose based on A/B test results.

13: Adding Additional Elements:

Test the inclusion of icons, arrows, etc., to highlight key parts of the email. Evaluate their impact on reader engagement.

14: Isolation of Products with Special Blocks:

A/B tests different graphic formats for product displays to enhance Click-Through Rate (CTR).

15: Full Redesign:

Experiment with entirely redesigning the visual format of your email. Test the impact of adding images, animations, etc.

16: Variations in Images of the Product:

Test different styles and angles of product images. Understand subscriber aesthetics and preferences.

17: Number of Photos in the Newsletter:

Experiment with the number of product photos in newsletters. Assess the impact on engagement and information retention.

18: Size of the Products in Images:

Test different sizes of product images to understand what stands out and appeals to viewers.

A B Testing for email marketing

19: Video in Email:

Experiment with adding videos to emails to gauge their impact on engagement.

20: Using GIF Images:

Test the effectiveness of GIF images in capturing viewer interest compared to static images.

21:Sending Time:

A/B test different email sending times to identify peak engagement periods.

22: Different Offers:

Test various types of offers (promotions, sales, bonuses) to understand subscriber preferences.

23: Using Humor:

Experiment with humor in emails to gauge subscriber response.

24: Old vs. New Tactics:

A/B test old and new email marketing tactics to assess their effectiveness.

25: Clear vs. Curiosity:

Test the impact of clear versus curiosity-driven subject lines to capture subscriber attention.

26: No Personalization at All:

Assess the engagement rates of emails with no personalization to identify subscriber preferences.

27: First and Last Name:

Test the impact of including both first and last names in emails on engagement rates.

28: No "Re" and With "Re" in Follow-ups:

A/B test emails with and without “re:” in the subject line to understand subscriber response.

29: Using Fwd: in Follow-ups:

Test the inclusion of “Fwd:” in follow-up emails to assess its impact on engagement.

30: Hey vs. Hi vs. Hello vs. Name:

Experiment with different email greetings to determine the tone that resonates best with your audience.

31: Using "Good Morning" or "Good Afternoon" or "Good Evening":

Test the impact of time-specific greetings on email engagement.

32: Introduction in First Line vs No Introduction in First Line:

Assess the impact of including an introduction in the first line of emails on open rates.

33: Negative Copy:

Experiment with negative copy to highlight pain points or common mistakes and assess its impact.

34: First Line Lead in Question Relevant to Pain Point:

Test the impact of using questions related to pain points in the first line to engage recipients.

35: Images vs No Images:

A/B test emails with and without images to understand their impact on engagement.

36: Long Form vs Short Form:

Test the engagement rates of long-form versus short-form emails.

37: Numbered Lists or Bullet Points or None:

Experiment with conveying information through numbered lists, bullet points, or none to enhance visual appeal.

38: More Extreme-ish Copy:

Test the impact of adding a hint of humor or extreme language in email copy while being mindful of potential offense.

39: First Name Twice vs Once:

Assess the engagement rates of emails with the first name mentioned once versus twice.

40: Company Name Twice vs Once:

Test the impact of mentioning the company name once versus twice in emails.

41: Heavily Customized vs "Personalized":

A/B test heavily customized emails versus personalized ones to understand subscriber preferences.

42: Facts vs Psychology:

Experiment with including emotional factors or beliefs alongside facts to enhance engagement.

43: Pop Culture/Trend:

Test the impact of incorporating pop culture or trending references in emails that complement your products.

44: No Pitch (in the Email):

Assess the impact of including or omitting a pitch in email content.

45: Sign Off Testing (Best, Cheers, Thanks, etc.):

Experiment with different sign-off styles to identify the one that resonates best with your audience.

46: Signature with Vs. without Images:

Test emails with and without images in the signature to assess their impact.

47: Full Signature in Every Email Vs. Only the First:

A/B test including a full signature and work post in every email versus only the first name.

48: "Real" Signature (Image):

Test the impact of using a real-life signature image versus a typed version in emails.

49: Short Signature Before the Full Signature:

Assess the engagement rates of emails with a short signature before the full signature.

50: Phone Number Vs. No Phone Number:

A/B test including a phone number versus not including one in emails to gauge its impact on trust and reliability.


In conclusion, mastering the art of A/B testing for emails can transform your email marketing game. Implement the 50 ready-made ideas for testing and witness firsthand the positive impact on engagement and conversion rates. Stay ahead in the competitive landscape by making data-driven decisions and delivering content that resonates with your audience. Boost your email marketing with the Deliver2inbox email marketing service.

Frequently Asked Questions

Q1: What is the purpose of A/B testing for emails?

A/B testing helps marketers identify the most effective elements in their email campaigns, leading to improved engagement and conversion rates.

Q2: How long should an A/B test run?

The duration of an A/B test depends on the size of your audience, but it’s generally recommended to run tests for at least a week to capture diverse user behaviors.

Q3: Is A/B testing a one-time process?

No, A/B testing is an ongoing strategy. Continuously refine and optimize your email campaigns based on new insights and changing audience preferences.

A/B test for emails – 50 ideas for testing
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A/B test for emails – 50 ideas for testing
In this comprehensive guide, we explore the nuances of A/B testing for emails and present you with 50 ready-made ideas for testing. Get ready to revolutionize your email campaigns and witness remarkable results.
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