Cost of Modules
Identify slow dependencies in your project.
Pricing
Free tier
Flat rate
Adoption
↘CoolingLicense
Open Source
Data freshness
Aging · Jun 8, 2026Overview
What is Cost of Modules?
Find out which modules or dependencies are slowing down your application performance. This tool helps developers optimize their projects by identifying and addressing inefficient dependencies.
Key differentiator
“Cost of Modules stands out by providing a straightforward and effective way for developers to pinpoint slow dependencies in their projects, focusing specifically on improving application performance through module optimization.”
Capability profile
Capability Radar
Honest assessment
Strengths & Weaknesses
↑ Strengths
↓ Weaknesses
The tool is primarily designed for JavaScript projects and lacks robust support for other languages, limiting its utility in polyglot environments.
Running the tool can introduce significant performance overhead, especially in large-scale applications with many dependencies, which may skew real-world performance metrics.
Configuring the tool to work effectively with complex project structures or monorepos can be challenging and requires significant manual configuration.
Performance metrics generated by the tool may vary significantly depending on the runtime environment, making it difficult to achieve consistent performance optimizations.
Fit analysis
Who is it for?
✓ Best for
JavaScript developers looking to optimize their application's performance by identifying slow dependencies.
Teams working on large-scale JavaScript applications where module optimization is critical for performance.
✕ Not a fit for
Projects that do not use JavaScript or Node.js modules as the primary technology stack.
Developers who are primarily focused on backend optimizations unrelated to dependency performance.
Cost structure
Pricing
Free Tier
Available
Open source — free to use
Starts at
$0
Model
Flat rate
Enterprise
None
Performance benchmarks
How Fast Is It?
Ecosystem
Relationships
Integrations
Next step
Get Started with Cost of Modules
Step-by-step setup guide with code examples and common gotchas.