cdnjs vs esm.sh: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for cdnjs and esm.sh side by side. This page compares data; it is not a hands-on review.
On the data: On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
cdnjs
Free CDN for popular JavaScript libraries
Best for you if:
- • You want free CDN for libraries
esm.sh
Serve NPM packages as modern ES modules directly in browsers and Deno, no build tools needed.
Best for you if:
- • You want simplifies modern web development by removing build steps
| At a Glance | cdnjs | esm.sh |
|---|---|---|
Starts at | Free 100% free | Free 100% free |
Category | CDN Hosting & Deployment | CDN Hosting & Deployment |
Rating | 4.3/5 SourceForge 4.3 67 reviews | n/a |
Free plan | Yes | Yes |
Choose cdnjs or esm.sh?
Choose cdnjs if
- You want free CDN for libraries
- You want huge library collection
Choose esm.sh if
- You want simplifies modern web development by removing build steps
- You want provides direct access to a vast ecosystem of NPM packages
In-Depth Analysis
cdnjs
Free CDN for popular JavaScript libraries
The cdnjs pricing is exceptionally fair and generous, as it offers a completely free service.
Strengths
- Pro: Free CDN for libraries
- Pro: Huge library collection
- Pro: Good performance
- Pro: Easy to use
- Pro: Community driven
Weaknesses
- Con: Dependency on third party
- Con: Version availability varies
- Con: No SLA
- Con: Security considerations
- Con: Self-hosting often better
Key features
esm.sh
Serve NPM packages as modern ES modules directly in browsers and Deno, no build tools needed.
Strengths
- Pro: Simplifies modern web development by removing build steps
- Pro: Provides direct access to a vast ecosystem of NPM packages
- Pro: Optimizes performance through bundling and tree shaking options
- Pro: Supports various module registries for flexibility
Weaknesses
- Con: Reliance on an external CDN for module delivery
- Con: URL-based configuration can become lengthy for complex setups
- Con: Potential for issues if CDN experiences downtime or performance degradation
Key features
Plans and prices: cdnjs vs esm.sh
| Tool | Plans and prices | Source |
|---|---|---|
| cdnjs |
| cdnjs.com read Oct 8, 2026 |
| esm.sh | No plan prices on file | esm.sh/pricing |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on cdnjs pricing and esm.sh pricing.
Key Takeaways
cdnjs
- Choose if you want free CDN for popular JavaScript libraries
esm.sh
- Choose if you want serve NPM packages as modern ES modules directly in browsers and Deno, no build tools needed
What the data shows
On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
- Only cdnjs has a published user rating (4.3/5 from 67 reviews); esm.sh has none we can show.
- Both have a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do cdnjs and esm.sh compare in 2026?
On the data below the two are close or not directly comparable, so we do not name a winner for this pair. Only cdnjs has a published user rating (4.3/5 from 67 reviews); esm.sh has none we can show. Both have a free plan.
What are cdnjs and esm.sh used for?
cdnjs: Free CDN for popular JavaScript libraries. esm.sh: Serve NPM packages as modern ES modules directly in browsers and Deno, no build tools needed.
What does cdnjs cost vs esm.sh?
cdnjs is free. esm.sh is free. Prices read on the vendors' pricing pages, latest check Oct 8, 2026.
What's the main difference between cdnjs and esm.sh?
cdnjs's main strength: free CDN for libraries. esm.sh's main strength: simplifies modern web development by removing build steps.