Google Website Optimizer

Website Optimizer, Google’s free website testing and optimization tool, allows you to increase the value of your existing websites and traffic without spending a cent. Using Website Optimizer to test and optimize site content and design, you can quickly and easily increase revenue and ROI whether you’re new to marketing or an expert.

Free web application
Begin driving more conversions and revenue from your website without purchasing and licensing costly software. Sign up now and begin your first experiment in minutes.
A/B Split & Multi variable Testing
Identify your most effective site elements. Test everything from individual copy blocks and images to complete page layouts.
Designed For Marketers, By Marketers
Your time is valuable, and small changes can drive big results. So we’ve designed Website Optimizer to require minimal IT support, giving marketers greater control, flexibility, and speed.
Intuitive Reporting
You shouldn't’t have to be a mathematician to conduct even the most complex of tests. Our intuitive graphical reporting interface tells you exactly how each aspect of your test is impacting the bottom line, helping you to remain focused on your business.

Website Optimizer helps online marketers, publishers, designers, and developers produce the optimal website experience for their visitors.
Free, Google-hosted Application

No need to license software or download anything. Set up and run tests from any web browser.
A/B and Multivariate Testing

Different types of tests require different types of testing models. Perhaps you’d like to test alternate page designs by running an A/B Split test, or perhaps you’d like to test different combinations of headlines, pictures, and call-to-action messages on your primary landing page via a Multivariable Test. Whatever your needs, Website Optimizer can handle them.
Designed by Marketers, for Marketers

Take control of your own testing. Straightforward setup minimizes your reliance on corporate IT support.
Intuitive Reporting

Review your results in intuitive, easy-to-understand reports. Website Optimizer does the math for you.
AdWords Integration

If you have an AdWords account, you can use Website Optimizer directly from the AdWords interface
Fast, Easy Implementation

Launch a test in under 5 minutes.
Test Flexibility

Test all or just some of your traffic. Simply specify the percentage of traffic you want included in testing.
Safe & Trusted

Google takes the trust people place in us very seriously, and is pledged to safeguard the privacy of your corporate data. We understand that testing data is sensitive information, so we accord it the ironclad protection it deserves. Read our industry leading privacy policy.

Tutorials and Videos

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