πŸ“Š n8n Workflow Health Check

Free Complexity Analyzer for n8n Workflows

Get maintainability scores, identify bottlenecks, and optimize your automations.

Health Score
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What Is Workflow Complexity?

Workflow complexity measures how difficult your automation is to understand, maintain, and debug. Factors include node count, branching depth, number of external integrations, error handling coverage, and code node usage. High complexity isn't always bad, but it increases the risk of failures and makes troubleshooting harder.

Why Workflow Complexity Matters

Complex workflows are harder to debug, slower to execute, and more likely to fail. They consume more memory (leading to 'heap out of memory' errors), take longer to load in the editor, and are difficult to hand off to team members. Understanding complexity helps you decide when to refactor into smaller sub-workflows.

Managing Workflow Complexity

  • Keep workflows under 20-25 nodes when possible
  • Use sub-workflows for reusable logic
  • Avoid deep nesting of IF/Switch nodes (max 3-4 levels)
  • Add comments via sticky notes for complex sections
  • Process large datasets in batches to avoid memory issues
  • Use Execute Workflow node to break apart monolithic workflows

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