AWS Lambda@Edge
Run code closer to your users to improve performance and reduce latency.
Overview
AWS Lambda@Edge allows you to run Node.js and Python Lambda functions to customize content that Amazon CloudFront delivers. It executes your code in AWS locations closer to the viewer, which minimizes network latency. You can use it to make decisions about how to route requests, modify headers, or generate custom responses right at the edge.
✨ Key Features
- Run code at AWS edge locations
- Integrates with Amazon CloudFront
- Supports Node.js and Python
- Pay-per-execution pricing model
- Scales automatically
- Customize CDN content delivery
🎯 Key Differentiators
- Deep integration with the AWS ecosystem
- Leverages the extensive AWS global infrastructure
- Mature and well-documented platform
Unique Value: Seamlessly extend AWS Lambda compute to the edge to deliver rich, personalized user experiences with low latency.
🎯 Use Cases (6)
✅ Best For
- Modifying HTTP headers for security
- Dynamically routing requests to different S3 buckets
- Serving different versions of a site for A/B testing
💡 Check With Vendor
Verify these considerations match your specific requirements:
- Long-running compute tasks
- General-purpose backend applications not tied to CDN requests
- Functions requiring more than 128MB of memory
🏆 Alternatives
Tightly integrated with AWS services, making it a natural choice for existing AWS users, though it may have higher cold start times than isolate-based competitors.
💻 Platforms
🔌 Integrations
🛟 Support Options
- ✓ Email Support
- ✓ Live Chat
- ✓ Phone Support
- ✓ Dedicated Support (Business, Enterprise tier)
🔒 Compliance & Security
💰 Pricing
Free tier: Part of the AWS Free Tier, which includes 1 million CloudFront requests and 1 million Lambda invocations per month.
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