Skip to main content

Experimentation Communities to Join

Connect with fellow experimentation practitioners, share learnings, and grow your practice together.

9 results

Test & Learn Community (TLC)

Featured

A Slack-based experimentation community focused on sharing testing knowledge, creative intelligence, and AI-driven CRO practices.

Free plan availableBest for: Experimentation practitioners wanting an active Slack community with in-person event opportunities4.4 / 5

Experiment Nation

Featured

Award-winning community of 2,500+ CRO and product experimenters with a dedicated Slack channel, CRO Tool Hub, and experimentation job board.

Free plan availableBest for: Experimentation professionals seeking the largest dedicated CRO and testing community with career resources4.5 / 5

Measure Slack

One of the largest analytics and experimentation Slack communities, connecting analytics professionals, data analysts, and CRO practitioners.

Free plan availableBest for: CRO practitioners who want to deepen their analytics skills alongside experimentation expertise4.3 / 5

CRO Growth Hacks

A Slack community for CRO professionals to openly exchange ideas, share job opportunities, and discuss conversion strategies.

Free plan availableBest for: CRO practitioners wanting a focused Slack community dedicated entirely to conversion optimization4.0 / 5

CXL Community

The CXL alumni and practitioner network — one of the most concentrated pools of CRO talent in the world, connected through groups and events.

Free plan availableBest for: CRO professionals wanting to network with the industry's most credentialed practitioners4.2 / 5

Online Geniuses

One of the largest digital marketing Slack communities with 53,000+ members, featuring active CRO and experimentation channels.

Free plan availableBest for: CRO practitioners wanting a large, cross-discipline marketing community with active optimization channels3.9 / 5

CRO Geeks

An exclusive community for conversion-obsessed professionals to share best practices, request experiment feedback, and network.

Free plan availableBest for: Mid-to-senior CRO practitioners wanting exclusive, high-quality peer discussions and experiment feedback4.1 / 5

GrowthHackers Community

One of the original growth and experimentation communities, offering discussions, AMAs, and resources on growth marketing and CRO.

Free plan availableBest for: Growth marketers who view CRO as part of a broader experimentation-driven growth strategy3.8 / 5

LinkedIn A/B Testing & CRO Group

Active LinkedIn group for A/B testing and CRO professionals sharing insights, job opportunities, and industry trends.

Free plan availableBest for: CRO professionals wanting professional networking and career opportunities within the optimization community3.7 / 5

Frequently Asked Questions

What are the best online communities for CRO professionals?

The Experimentation Culture Community, CRO.CAFE Slack, and the Measure Slack group are active communities. LinkedIn groups like 'AB Testing & CRO' also have engaged audiences sharing insights and job opportunities.

How do I get the most out of a CRO community?

Share your own experiments (wins and losses), ask specific questions with context, and engage with others' posts. The practitioners who contribute the most tend to learn the fastest.

Related Resources