jsDelivr vs ImageKit.io
A detailed comparison to help you choose between jsDelivr and ImageKit.io.
Quick Verdict
4.7/5
jsDelivr
76 reviews
4.1/5
ImageKit.io
174 reviews
jsDelivr is rated higher (4.7 vs 4.1). jsDelivr is a free CDN for open source npm and GitHub packages. Serve any npm package from the CDN with automatic versioning. Used by millions of websites. No setup required. ImageKit.io delivers optimized images globally through its CDN with on-the-fly transformations. Built for developers who need fast image delivery without manual optimization workflows.
jsDelivr Free CDN for open source JavaScript packages |  ImageKit.io Real-time image optimization and CDN for faster web performance | |
|---|---|---|
| Overview | ||
| Rating | 4.7 (76 reviews)✓ | 4.1 (174 reviews) |
| Pricing model | free | freemium |
| Starting price | Free | Free tier available |
| Best for | Developers serving open source JavaScript, CSS, and assets from npm or GitHub packages via CDN | Development teams managing product imagery, user-generated content, or large media libraries who want automated optimization without dedicated image engineering. |
| Tags | ||
| Tags | free tieropen source | free tierapi access |
| Visit jsDelivr → | Visit ImageKit.io → | |
jsDelivr
Pros
- + Completely free for open source packages
- + No setup — URL-based CDN
- + npm, GitHub, and WordPress support
Cons
- - Only for open source packages — not for your own assets
- - No SLA
ImageKit.io
Pros
- + Generate responsive images and formats through URL parameters without rebuilding assets
- + Compress and optimize automatically across 150+ global edge locations
- + Integrate with external storage (S3, GCS, Azure) without migrating existing files
- + Access detailed performance analytics and image optimization metrics
Cons
- - Pricing scales quickly for high-volume image delivery compared to basic CDNs
- - URL-based transformation API has a learning curve for complex image manipulations
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