There isn’t a magic formula to automatically increase conversion rates and grow revenue, even though we all wish there were. Until there is, marketers have to go with tried-and-true methods for conversion rate optimization, such as A/B testing. A/B testing is not magic, but it really can help online and digital marketers discover what is working and what isn’t working when it comes to landing pages, email, mobile, and everything else that’s important to driving traffic and converting customers.
The trick is knowing the best practices and proven methods for A/B testing. To make that a little easier for marketers, we have compiled our list of the top 50 A/B testing blogs. We have included blogs from leading marketing agencies and consultancies, experts and thought leaders, and marketing software companies to deliver A/B testing advice, tips, strategies, insight, and more straight to you. It may not be magic, but we hope you find it helpful as you strive to achieve more effective A/B testing.
Please note, we have listed our top 50 A/B testing blogs in no particular order.
HubSpot is a top inbound marketing and sales platform, and the company’s blogs are the place to go for authoritative content, especially for marketing and sales. A/B Testing is a main focus of many of the posts.
Three posts we like from HubSpot Blogs:
- 4 Basic A/B Testing Tips for Beginners
- Running an Email A/B Test? How to Determine Your Sample Size & Testing Time Frame
- How an A/B Test of Landing Page Form Copy Improved Lead Quality
2. VWO (Visual Web Optimizer)
@Wingify
Wingify is known for providing website optimization tools that work, and VWO is the new avatar of Visual Website Optimizer that helps you “think like a marketer and execute like a scientist.” For information on how to use A/B testing successfully, too, the VWO Blog is a top choice for its A/B split testing ideas and conversion optimization tips.
Three posts we like from VWO:
- Three Award Winning A/B Test Cases You Should Know About
- Stock Image or Real Image: A/B Testing Provides an Incredible 161% Increase in Conversions
- 32% Increase in Conversions by A/B Testing for The Right Reasons
KISSmetrics tracks the people who visit your site, so you have better insight into where they come from, what they do, and who purchases. The KISSmetrics marketing blog offers insights on A/B testing so that you can get more people to your site in the first place.
Three posts we like from KISSmetrics:
- When NOT to A/B Test Your Mobile App
- How to Increase Traffic with Social A/B Testing
- Most of Your A/B Test Results Are Illusory and That’s Okay
With Unbounce, marketers are able to build, publish, and A/B test landing pages without needing IT. Since Unbounce makes that job so easy, it shouldn’t be too surprising that their blog offers A/B testing best practice advice that is so simple to implement.
Three posts we like from Unbounce:
- Check Youself Before You Wreck Yourself With A/B Testing
- The 3 Most Common A/B Testing Problems (And How to Solve Them)
- Grow Your Conversion Rates Consistently with an A/B Testing Calendar
ConversionXL aims to help businesses grow by optimizing conversions. The ConversionXL blog includes tips and advice for landing pages, email marketing, copywriting, and other topics that are important when considering A/B testing strategies.
Three posts we like from ConversionXL:
- 12 A/B Split Testing Mistakes I See Businesses Make All the Time
- Website Usability Testing: A Must for Boosting Conversions
- How to Build a Strong A/B Testing Plan That Gets Results
Bryan Eisenberg is founder and CMO of IdealSpot.com. He also is a keynote speaker and bestselling author in online marketing, online conversion rates, and marketing tools, including Persuasion Architecture. Bryan is an authority on marketing, and his blog is the place to go for expert A/B testing advice.
Three posts we like from Bryan Eisenberg:
- Comparing the Anatomy of B2B Landing Pages
- Developing a High Converting Landing Page {Slideshare}
- How to Design High-Convering Mobile Landing Pages {includes video}
Convert is A/B testing software for retail and agencies. The Convert blog focuses on conversion optimization and A/B testing for agencies and eCommerce and is a treasure trove of A/B testing information.
Three posts we like from Convert:
- Use Click Tracking Heatmaps to Improve Conversion Rates
- Help Visitors Convert With Each Step Of Your Conversion Path
- Design Websites With Marketing Psychology
8. Nelio A/B Testing Blog
@NelioSoft
Nelio works to help organizations migrate to WordPress. They provide A/B tests, heatmaps, and more to then help those clients optimize their sites. Their A/B Testing Blog delivers the “latest news and updates in the A/B testing world” and is a valuable source of information.
Three posts we like from Nelio A/B Testing Blog:
- How to Increase the Revenues on Your Website
- How to Maximize Conversions of Your WordPress Landing Page
- Optimizing Your Website For Customer Acquisition
Marketo’s goal is to help marketers master the art and science of digital marketing through technology innovation and expertise. Their blog features a Testing category that is full of A/B testing tips and advice.
Three posts we like from Marketo:
- Always Be Improving: The 5 Rules of A/B Testing
- A/B Experimenting: Perform Tests That Can’t Be Ignored
- Optimizing Landing Pages – Why Testing Is Critical
Apptimize offers a powerful A/B testing solution for both iOS and Android. Their goal is to help product managers “iterate faster and optimize between app release cycles,” and their blog shares advice and tips to help readers use the best A/B testing practices.
Three posts we like from Apptimize:
- 8 Humbling Lessons from Seasoned A/B Testers
- Apptimize Brings Codeless, Real-time A/B Testing to Android Apps
- Infographic: 7 Things to A/B Test in a Retail App
11. MarketingExperiments
@MktgExperiments
MarketingExperiments is dedicated to discovering what really works in sales and marketing. Through testing and research, MarketingExperiments works to determine the best practices for conversion optimization, and they share their insights on the MarketingExperiments Blog. Their analytics and testing category is full of A/B testing tips and advice.
Three posts we like from MarketingExperiments:
- Landing Page Optimization: Conversion increased 37% by reducing copy
- Here’s Why Most A/B Testing is Boring and Not Really Worth the Trouble
- Measuring Success: The distance between a test and the conversion point
SplitButton, from Formstack, delivers “simple call to action A/B testing.” The blog is a one-stop shop for A/B testing information, tips, and tools, and is one that should not be missed.
Three posts we like from SplitButton:
UserTesting is a fast, advanced user experience testing platform. Their blog covers best practices, usability studies, webinars, marketing information, and other topics of interest relating to A/B testing.
Three posts we like from UserTesting:
- Why I Stunk at A/B Testing
- The Best A/B Test Idea You Haven’t Thought Of
- Why Your Ad Campaigns Need More Than Just an A/B Test
14. ContentVerve
@ContentVerve
Michael Aagaard is a senior conversion optimization consultant and international speaker who spends countless hours testing optimizing websites to learn what truly works in marketing and conversion rate optimization. His ContentVerve blog is dedicated to content, copy, and conversion and offers valuable A/B testing insights and advice.
Three posts we like from ContentVerve:
- 10 CRO Experts Reveal Their Biggest A/B Testing Mistakes
- How Your Privacy Policy Affects Sign-Ups – Surprising Data From 4 Different A/B Tests
- Online Copywriting that Converts – 5 Lessons from 250 A/B Tests
The Conversion Rate Experts have one goal: “turning clicks into customers.” Their blog features articles with advice and best practices regarding landing pages, conversion rate optimization, case studies, and other topics pertaining to A/B testing.
Three posts we like from Conversion Rate Experts:
- Split-testing 101: A quick-start guide to conversion rate optimization
- 5 reasons to get obsessed with conversion rate optimization
- Is your graphic design helping or hurting your business?
Splitforce provides A/B testing for mobile apps. Their blog contains information and advice on mobile A/B testing, experimentation, and analytics and is a valuable A/B testing resource.
Three posts we like from Splitforce:
- Case Study: Growing Mobile eBook Revenue +25% with A/B Testing
- A/B Testing Web Services for Profit in a Mobile App
- A/B Testing Best Practices
17. Lean A/Bstracts: The Leanplum Blog
@leanplum
Leanplum, a leader in mobile marketing automation, helps organizations optimize the user experience and marketing interactions of apps to boost engagement and retention. LeanA/Bstracts: The Leanplum Blog is full of strategies and advice along those same lines, including A/B testing.
Three posts we like from Lean A/Bstracts: The Leanplum Blog:
- The 3 Biggest Mistakes Marketers Make When A/B Testing on Mobile
- 3 Push Notifications That Will Woo Your Non-Committal Users
- 3 In-App Messages That Will Re-Ignite the Spark with Your Active Users
Omniconvert is a 3-in-1 conversion suite, and their blog features conversation rate optimization articles and fresh content regarding online marketing. Their most popular topics include conversation optimization, A/B testing tips and tricks, landing page optimization, and website optimization, among others.
Three posts we like from Omniconvert:
- E-commerce landing pages that convert
- How to Create a Powerful and Effective A/B Testing Plan
- How will credibility indicators increase your conversion rate
19. Neuromarketing
@rogerdooley
Roger Dooley is the consultant, speaker, author, and blogger behind the Brainfluence book, Brainy Marketing at Forbes and the Neuromarketing blog. He promotes better marketing through brain and behavior research and covers breaking news about relevant brain research for marketing and sales at Neuromarketing.
Three posts we like from Neuromarketing:
- Here’s Why Smart Marketers Use A/B Testing
- Beyond Clicks: Headlines That Persuade
- The Simple Sales Booster That Almost Nobody Uses
20. MoreVisibility
@MoreVisibility
MoreVisibility provides SEO, SEM, web design, analytics, social media, and mobile marketing. Their Web Analytics Blog is their vehicle for educating clients and other readers about using analytics to gain insight into user behavior and provides a good source of A/B testing information with the A/B & Multivariate Testing category.
Three posts we like from MoreVisibility:
- A/B Testing vs Multivariate Testing: When To Use Which Testing Method
- How to Conduct A/B Testing Using Google Analytics
- Finding Value in Your Conversion Data to Improve Your Campaign Success
Wider Funnel is a full service conversion rate optimization strategy and controlled multivariate A/B/n testing agency. Their blog is rife with A/B testing tips and advice and includes articles on conversation optimization, conversion rate, and more.
Three posts we like from Wider Funnel:
- Design your A/B Tests to get consistently better results
- The Top 7 Conversion Optimization Trends for 2015
- Using Heatmaps for Conversion Optimization Q&A
22. The Conversion Scientist
@bmassey
The Conversion Scientist blog is a service of Conversion Sciences and is under the direction of author, speaker, and Conversion Scientist Brian Massey. Other expert contributors to the blog are John Ekman, Kathryn Aragon, and Simon Campbell. The Conversion Scientist blog features articles about conversion rates, landing page optimization, user engagement, and others that are of importance to A/B testing.
Three posts we like from The Conversion Scientist:
- This Website Redesign Got 250% More Leads Before It Was Finished
- Landing Page Templates That Maximize Conversions
- Map Out a 300% Conversion Rate Increase
23. Invesp Blog
@invesp
Invesp deals in conversion optimization and A/B and multivariate testing. Their blog is a valuable A/B testing resource that includes categories such as conversion optimization, multivariate, testing, sales and marketing, and more.
Three posts we like from Invesp Blog:
- A Dozen Thoughts on A/B Testing for Beginners
- It’s a Lead Generation Form Conversion Optimization Ambush
- How to Improve Conversion Rates on Product Pages By Not Thinking About Conversion Optimization
GetElastic is a highly subscribed eCommerce blog provided by Elastic Path. Their conversion optimization articles, tips, and advice are among some of the best on the web and are definitely worth a read for more insight into A/B testing.
Three posts we like from GetElastic:
- A/B Testing the Untestable in Checkout
- Icons or Labels: Which Responsive Navigation Test Won?
- Are You Ever Done Testing Call-to-Action Buttons?
25. WhichTestWon
@WhichTestWon
WhichTestWon features more than 500 case studies on conversion optimization through A/B and multivariate testing. Highlights of the blog are the Conversion Conversations, Articles, Real-Life Tests, and Webcasts.
Three posts we like from WhichTestWon:
- A/B Testing Tools
- A/B Testing for Mobile Marketing
- Top 3 Button Tests – If You Absolutely Have to Run a Button Test
26. The Online Behavior Blog
@onbehavior
Online Behavior is a site dedicated to marketing techniques and strategies that help managers and analysts become successful. The focus of Online Behavior is web analytics, usability, testing, and targeting. The Online Behavior Blog features analytics and optimization information for improving websites based on analyzing visitors’ behavior.
Three posts we like from The Online Behavior Blog:
- A/B Testing for Mobile Apps
- A Guide to Running Successful A/B Tests
- How to Collect Research Data for A/B Testing
27. Conversion Voodoo
@ConversionTips
Conversion Voodoo is a landing page optimization blog that helps visitors in “using landing page optimization to explode profits and grow your marketing campaigns.” Posts address bounce rates, content analysis, A/B testing, and more.
Three posts we like from Conversion Voodoo:
- 6 A/B Testing Mistakes You’re Making
- Should You Split Test Your Pricing Strategy?
- 4 Places to Drive Traffic Other Than Your Home Page
Clever Zebo is a team of hands-on marketers who deliver revenue. Clever Zebo’s team shares their expertise about conversion-centric design, A/B testing, and paid advertising on their blog, which is all “about smart marketing and conversion optimization.”
Three posts we like from Clever Zebo:
- 3 winning A/B tests B2B software sites must try
- 4 Growth and Mentality Hacking Lessons from Rand Fishkin
- 5 reasons marketers should be addicted to users’ social data
Moz provides inbound marketing and marketing analytics software subscriptions. The Conversion Rate Optimization (CRO) section of their blog is a valuable resource for A/B testing and expert advice and insight into CRO.
Three posts we like from Moz:
- 9 Simple Tips For Making An About Us Page That Works For Your Brand
- How Some Companies Succeed at Converting Visitors yet Fail to Earn Great Customers – Whiteboard Friday
- CRO Statistics: How to Avoid Reporting Bad Data
SiteTuners is a leader in conversion rate improvement and landing page optimization. Their goal is to influence website visitors to take the action your company desires. The SiteTuners conversion rate optimization blog is headed by Tim Ash, bestselling author of Landing Page Optimization.
Three posts we like from SiteTuners:
- Which Web Optimization Tools Should You Be Using?
- When NOT to Test: 5 Conditions That Make Website Testing a Bad Idea
- What Every Marketer Ought to be Doing to Get 5 Times More Conversions
31. ConversionAid
@ConversionAid
ConversionAid focuses on helping software entrepreneurs and companies create software that sells. The ConversionAid blog offers marketing strategies, advice, and tips, including those related to conversion rates and A/B testing, that can be adopted by any company.
Three posts we like from ConversionAid:
- 5 Critical Steps to Better Website Conversion Optimization
- Choosing Between A/B and Multivariate Testing
- What is Conversion Rate Optimization?
32. Conversioner
@Conversioner_
Conversioner stands behind the idea that emotions sell better than words. That’s why they focus on growing businesses and increasing revenue with emotional conversion optimization. They share their CRO tips and best practices on their conversion optimization blog.
Three posts we like from Conversioner:
- AB Test Checklist: Everything You Need to Check Before Launching
- A Conversion Optimization Guide for Beginners
- How to Convert More Customers Using 4 Basic Personality Types
33. ConversionIQ
@conversioniq
ConversionIQ determines where websites lose customers and converts traffic into sales through continuous improvement programs. The ConversionIQ blog includes articles on conversion rates and conversion rate optimization, marketing advice and strategies, and more in relation to A/B testing.
Three posts we like from ConversionIQ:
- Prime Your Website For Conversion Testing
- User Testing to Increase Conversion Rates
- How to Calculate Your Site’s Real eCommerce Conversion Rate
34. Infinite Conversions
@ICdotCom
Infinite Conversions is a group of conversion rate optimization professionals who offer real-world, practical results. Their blog focuses on high-converting landing pages and CRO and shares advice and tips.
Three posts we like from Infinite Conversions:
- 46 Ways to increase conversion rates and sales (with pictures)
- 12 A/B Testing Mistakes That Cost You Money
- 8 Conversion Metrics You Need to Track
EyeQuant dedicates itself to marketers who love the science of marketing and helps its clients instantly understand what users see on their website. EyeQuant has a special focus on A/B testing with its free eBook and blog that share advice and tips on winning tests and improving landing pages.
Three posts we like from EyeQuant:
- Prime Advice: How Amazon Could Improve its Prime Landing Page and Boost Subscriptions
- Does Cleaner Design Improve eCommerce Sales?
- When You Want to Convert, Less is More
The Daily Egg is the blog of CrazyEgg, a SaaS analytics tool that provides heat maps and confetti reports. The Daily Egg blog features conversion optimization and A/B testing tips that are sure to be helpful for your organization.
Three posts we like from the Daily Egg:
- 7 Ways To A/B Test Low Traffic Sites
- 4 Easy Steps to Measure Your Social Media ROI
- 3 Steps to Kick-Start Conversions on Your Landing Pages
37. ConversionReview
@theovdzee
Theo van der Zee, the founder of ConversionReview, speaks and blogs about optimizing websites. ConversionReview features a free A/B Testing Guide and includes advice and tips on A/B testing in several articles.
Three posts we like from ConversionReview:
- A/B Test Results Reporting Checklist
- How Long to Run an A/B Test?
- A/B Testing Goals: Relevancy, Tapes and URLs
38. Brendan Regan
Brendan Regan’s Digital Marketing, Conversion Optimization, and Marketing Optimization Blog shares his perspective on “the rapidly evolving world of digital marketing and how to optimize our efforts as marketers.” His blog is teeming with A/B testing advice, tips, and strategies.
Three posts we like from Brendan Regan:
- Where Should I Run My Next A/B Test?
- Cross-Post: Steal This 5-Point Checklist for A/B Testing
- 9 Reasons Your Conversion Rate Fluctuates
39. Venture Harbour
@VentureHarbour
Venture Harbour helps grow online businesses through digital marketing and online growth consulting. Their blog features a conversion optimization category and is full of advice and tips on CRO and A/B testing.
Three posts we like from Venture Harbour:
- 19 Simple Tips to Reduce Your Website’s Bounce Rate Today
- 15 Ways to Increase Your Ecommerce Product Page Conversions
- 101 Conversion Optimization Tips, Tactics, and Techniques
40. Chief Marketing Technologist Blog
@chiefmartec
Scott Brinker, chair of the MarTech conference and agile marketing advocate, is the author of the Chief Marketing Technologist blog. The blog features articles on agile marketing, marketing tactics and data, and other information related to A/B testing with an eye toward marketing technology.
Three posts we like from Chief Marketing Technologist Blog:
- Brand impact or conversion rate? Both, please!
- A 2-sided silver bullet for marketing and sales alignment?
- Marketing as UX incarnate, with agile and lean principles
Blast Analytics and Marketing features certified analytics and search marketing experts. Their web analytics blog offers tips and insight on analytics, online marketing, SEO, and website optimization, including A/B testing.
Three posts we like from Blast:
- How to Track & Analyze Scroll Depth in Google Analytics
- Google Analytics Remarketing Boosts Conversion!
- Meaningful Differentiation – A Key to Improving Conversion
PPC Hero is an industry-leading PPC blog and resource for digital marketers. Written by the experts at Hanapin Marketing, PPC Hero focuses on PPC insights and marketing.
Three posts we like from PPC Hero:
- 5 Ideas for A/B Testing Your PPC Ad Text
- Average Conversion Rate: What’s Average, Anyway?
- How I Raised My Conversion rate By 400% In 6 Days (And Why These Numbers Count)
WordStream provides powerful PPC management software and services, including free tools for PPC and SEO. The WordStream Blog contains hundreds of articles covering SEO, online marketing, social media, and other topics relating to A/B testing.
Three posts we like from WordStream:
- 17 Best Practices for Crafting Crazy-Effective Call-To-Action Buttons
- What Do Top E-Commerce Companies Have in Common? (Hint: It’s NOT a High Conversion Rate)
- 3 A/B Tests That Surprised the Heck Out of Us (See You at the Opties!)
44. Funnel Science
@MarcusBradley
Funnel Science is a Google Certified Partner whose team members include Google Certified Adwords Consultants, graphic artists, PPC analysts, developers, and conversion optimization experts. Funnel Science focuses on Google Adwords optimization, A/B and multivariate testing, conversion optimization, and more.
Three posts we like from Funnel Science:
- Building the Foundation of Digital Marketing
- Improve Conversion Rate
- It’s all about the P’s of Retail – Process, Planning, Presentation, Pricing, Productivity, People and the right Product make you Profitable
Fit Marketing, a full service inbound marketing agency, helps clients build sales machines with inbound marketing. With a special focus on conversion, Fit Marketing’s Inbound Marketing Blog offers insights and tips relating to A/B testing.
Three posts we like from Fit Marketing:
- Visual Sitemaps Can Impact Your Bottom Line
- Must-Know Social Media Hacks? A Cheat Sheet for Boosting Conversion Rates
- How to Become a Conversion Rate Expert Overnight
46. Marc Abraham
@MAA1
Marc Abraham is a digital product manager who has an interest in digital technology, social media, design, case studies, and other topics relating to digital marketing. His measurement articles are of interest to those looking for A/B testing resources.
Three posts we like from Marc Abraham:
- Learning more about running A/B tests
- Some considerations regarding data-driven design
- Developing my own product – Where to start measuring?
47. eMarketing + Commerce
@eMarCom
eMarketing + Commerce, eM+C, offers online marketing strategies and tactics. The blog contains several articles written with a testing focus, and the content is thorough and insightful.
Three posts we like from eM+C:
- Tips for Effective A/B Split and Multivariate Email Testing
- 5 Tips for Better Conversion Rates
- 5 Steps to Better Online Customer Reviews Using Email
48. Certified Knowledge
@bgtheory
Brad Geddes, a self-proclaimed “PPC geek” and an official AdWords seminar leader, is the author of Advanced Google AdWords and the founder of Certified Knowledge. The inbound marketing blog contains a great deal of information about PPC marketing as well as about testing.
Three posts we like from Certified Knowledge:
- How to Work with Legal & Brand Management For Better Ad Testing
- Forget A/B testing – Is Multi-Ad Copy Testing the Future?
- A/B Split Testing with AdWords
49. Conversion Conference
@ConversionConf
The Conversion Conference is a premier conference dedicated solely to helping online marketers improve their conversion rates. The Conversion Conference Blog also focuses on conversion optimization and covers topics such as content, conversion, testing, and A/B testing.
Three posts we like from Conversion Conference:
- What to Test When You’re New to Testing
- How to Build a Strong A/B Testing Plan That Gets Results
- 3 Little Known Problems That Invalidate Your Testing Data
50. Dynamic Yield
@DynamicYield
Dynamic Yield delivers personalization and automated conversion optimization that alters the way retailers, publishers, and marketers design the customer experience. The Dynamic Yield blog is a collection of A/B testing and website optimization articles and features thought leaders, advice, and tips to get you on the right A/B testing path.
Three posts we like from Dynamic Yield:
- Choosing the Right Conversion Optimization Objective
- A Contextual-Bandit Approach to Website Optimization
- Under the Hood of Revenue-Based A/B Tests Part II: A Dynamic Solution