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Ninetailed is a composable personalization and experimentation solution that empowers digital teams to create, preview, and optimize experiences seamlessly inside the CMS

Back to Marketplace


Ninetailed is a composable personalization and experimentation solution that empowers digital teams to create, preview, and optimize experiences seamlessly inside the CMS

Marketplace app info

About Ninetailed Personalization and Experimentation

Ninetailed is a composable personalization, experimentation, and insights solution that empowers digital teams to create experiences seamlessly inside Contentstack. With Ninetailed, teams can:

  • define audiences

  • get insights about the audiences

  • create personalized experiences and A/B tests

  • preview these experiences

  • analyze experience insights to optimize the experiences continuously

This allows companies to iterate on and improve their customer experience — ultimately uplifting conversion rates, increasing revenue, and getting the most out of their content investments.

Ninetailed is a composable marketing technology built on MACH principles. Therefore, Ninetailed’s integration with a composable stack is effortless, freeing up developers to quickly move on to bigger, better, and more rewarding tasks.

Ninetailed simplifies the process of personalizing, testing, and gaining insights from digital experiences by offering market-leading APIs. And, with the progressive profiling for audience segmentation that evolves with each new data source — making these tasks are remarkably straightforward.

Marketing teams can define audiences, preview tailored experiences and experiments, and create personalized content and A/B tests directly inside Contentstack. Moreover, with Ninetailed, marketers can get insights into personalized experiences and experiments. Therefore, marketers can focus on what they do best: dreaming up and designing data-driven experiences that delight customers to increase their conversions and revenue without leaving Contentstack.

Key Features of Ninetailed Personalization and Experimentation

  • Define your audience segments with user behaviors, intent signals, first-party data, and other traits without leaving the Contentstack interface with Ninetailed Audience.

  • Get insights about the audiences with Ninetailed Audience Insights to know where and how to start with personalization and testing in the most effective way.

  • Create personalized experiences and experiments directly inside Contentstack with Ninetailed Experiences, all with minimal effort and no reliance on developers — simply a few clicks suffice.

  • Create personalized experiences and run A/A, A/B, and A/B/n tests on a component level.

  • Understand the impact of personalization and experiments on your conversion rates, business growth, and digital customer experience with Ninetailed Experience Insights.

  • Connect Ninetailed easily with modern analytics tools and data sources like Segment, HubSpot, Shopify, Albacross, Zapier, etc., via native connections.

  • Ninetailed delivers personalization, testing, and digital experience optimization at the edge (in milliseconds), enabling you to create truly instant experiences.


To use Ninetailed:

  • You must have a paid Ninetailed license and a Ninetailed account. If you don’t have an account yet, talk to a Ninetailed expert.

  • You must have the Ninetailed SDK implemented on your code.

  • You should have an existing Contentstack project.

You must connect your Contentstack project to your Ninetailed account — check out the guide here.

Who can install

This Ninetailed app can be installed by:

  • Organization administrators
  • Stack administrators



Use Cases

Personalize any content based on customer segments, such as location, UTM parameters, traits and events.

Experiment with content, use A/A, A/B or A/B/N tests to increase conversion rates.

Tailor your content based on who is visiting without performance loss.



Technology Partner

MACH Certified