Serverless website analytics with Lambda@Edge

Presentation from JAWS PANKRATION 2024.

1. JIMMY DAHLQVIST | 2024-08-24 Serverless website analytics with Lambda@Edge

2. Serverless website analytics with Lambda@Edge Jimmy Dahlqvist AWS Ambassador Community Builder AWS-UG Scania, Sweden. 2024-08-24

3. JIMMY DAHLQVIST Head of AWS @ Sigma Technology Cloud Founder of serverless- handbook.com AWS Ambassador | AWS Community Builder | User Group Leader § Hello, I'm

4. Todays agenda Episode I: The Problem Awakens Episode II: Birth of a Solution Episode III: Revenge of the Gotchas Episode IV: A New Refined Solution Episode V: Summary

5. Episode I: The Problem Awakens

6. Website statistics Google Analytics Been my tracker for years Universal Analytics deprecated Way to advanced Open Source alternatives Plausible and Matomo Fathom Analytics Not free

7. I just want Easy way to understand my readers! How hard can it be? Could I track in the backend?

8. Episode II: Birth of a Solution

9. Thoughts No client side tracking Page (post), Time, and Country Can I integrate into my CloudFront distribution?

10. Decoupled and event-driven Event-driven solution Decouple Ingestion Storage Analytics

11. CloudFront Integration points

12. Lambda@Edge vs CloudFront Functions Lambda@Edge All integration points Network access Up to 5 or 30 second duration CloudFront Functions Viewer Request / Response No network access Sub millisecon duration

13. Ingestion

14. Data-store

15. Analytics

16. Episode III: Revenge of the Gotchas

17. Three problems Solution failed to deploy, cryptic error message There was missing data Page felt sluggish

18. Gotcha Lambda@Edge and Functions won’t combine Lambda@Edge -> EventBridge high latency Glue and new lines CloudFront headers in cache policy

19. Episode IV: A New Refined Solution

20. Needed to solve High Latency Time & Date Viewer type

21. A new hope

22. Cost Managed Grafana - $9 S3 - $5 Glue - $2 Total - $16

23. Episode V: Summary

24. I know what blog post is accessed at what time I can visualize where in the world my users are locates I can create dashboards that show the information I need

25. Last 30 days

26. Serverless Handbook https://serverless- handbook.com /serverless-web-statistics

27. @ jimmydahlqvist dahlqvistjimmy https://serverless- handbook.com https:// jimmydqv.com THANK YOU