What is Litmus?

**Litmus** is a comprehensive email testing and analytics platform. Features include: email previews across 90+ clients/devices, spam testing, link checking, accessibility analysis, and post-send engagement analytics.

Workflow integration: design and preview simultaneously, catch issues during development, and track performance after sending. **Litmus** integrates with major ESPs for streamlined testing workflows.

**Litmus** is considered industry standard for email testing, particularly among larger email teams and agencies. Pricing reflects comprehensive capabilities. Smaller senders may find more focused tools cost-effective for specific needs.

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