Spiralyze

About Spiralyze

Spiralyze sells CRO on an unusually sharp promise: a 30% conversion lift within 90 days, with no fee until it is delivered. The mechanism behind the guarantee is a prediction engine that scrapes A/B test data from around 78,000 sites that actively test, then uses machine learning to forecast which patterns will win on yours — the claim is roughly triple the win rate of conventional testing.

Execution is fully in-house. A team of about 170 A/B testing specialists across 16 countries handles design, copy, development, QA, analytics and project management, with testing software included and the first test live in around two weeks. The published benchmark for a first 90 days is ten tests launched, three wins, a first win in about 25 days, and a 30%+ average lift.

The team works with whatever stack you already have — Optimizely, VWO, AB Tasty, Adobe, HubSpot, Salesforce, Contentful, WordPress, React — and pays for any tooling gaps itself. Clients named on the site include Netflix, Podium, the NBA, Lowe’s, Gusto, Harvard University and CrowdStrike.

Best for: B2B SaaS teams with solid traffic who want performance-priced CRO and no internal design or development lift.

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