Jimmy Dahlqvist presents a serverless website analytics solution using AWS Lambda@Edge, highlighting challenges with traditional analytics tools like Google Analytics. He discusses the integration of CloudFront and Lambda@Edge for tracking visitor statistics while addressing issues like deployment errors and data latency. The session concludes with a live demo and resources from the Serverless Handbook for further reference.

1. JIMMY DAHLQVIST | 2024-04-17
Serverless website analytics with
Lambda@Edge

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

4. @jimmydahlqvist
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: The Live Demo Strikes Back

5. Episode I:
The Problem Awakens

6. @jimmydahlqvist
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. @jimmydahlqvist
• 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. @jimmydahlqvist
Thoughts
• No client side tracking
• Page, Time, and Country
• Can I use CloudFront?

10. CloudFront Integration points

11. @jimmydahlqvist
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
You can’t combine CloudFront Functions and Lambda@Edge

12. @jimmydahlqvist
Decoupled and event-driven
• Event-driven solution
• Decouple
• Ingestion
• Storage
• Analytics

13. Ingestion

14. Data-store

15. Analytics

16. Episode III:
Revenge of the Gotchas

17. @jimmydahlqvist
Three problems
• Solution failed to deploy, cryptic error message
• There was missing data in Athena
• Page felt sluggish

18. @jimmydahlqvist
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. @jimmydahlqvist
Needed to solve
• High Latency
• Time & Date
• Viewer type

21. A new hope

24. Episode V:
The Live Demo Strikes Back

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

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