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W-JAX Performance Workshop - Web and AJAX

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Alois Reitbauer
Alois Reitbauer
Technology
1 of 28
Java Enterprise Performance Web/AJAX Performance
Overview Web Performance Browser Server JavaScript Performance HTML Rendering Many AJAX/HTTP calls High Latency High Datavolume Thread-/ Connectionpools Network Database Access WebService/ Backend Calls Browser Browser
HTTP – The Protocol of the Web ,[object Object],[object Object],[object Object],Browser Server GET /index.html HTTP/1.1 Host: www.example.net HTTP/1.1 200 OK Content-Type: text/html … .
The Anatomy of the Browser JavaScript Engine DOM Renderer Daten XHR Connection Pool .html . .png .js .css .css
Understanding Browser Connections ,[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object]
[object Object]
State Handling in Web Applications ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
State and Where to Put It ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Caching on the Web Clients Server Cache per Client Server providing Caching Information Proxy Cache for Many Clients Serverside Data Cache
Understanding HTTP Headers ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
AJAX ≠AJAX ,[object Object],[object Object],[object Object],[object Object]
[object Object]
Java Script Performance ,[object Object],[object Object],[object Object],[object Object]
[object Object]
Rendering ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Memory Leaks ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object]
Antipattern – Too Many Requests ,[object Object],[object Object],[object Object],[object Object]
Antipattern – Mixed Security ,[object Object],[object Object],[object Object],[object Object]
Antipattern – Wrong State Management ,[object Object],[object Object],[object Object],[object Object]
Antipattern – Too Much Synchronizity ,[object Object],[object Object],[object Object],[object Object]
Antipattern – Sending too much data ,[object Object],[object Object],[object Object],[object Object]
Antipattern – Business Logic Drives Architecture ,[object Object],[object Object],[object Object],[object Object]
Antipattern – Underestimating the Browser ,[object Object],[object Object],[object Object],[object Object]
[object Object]
[object Object]
alois.reitbauer@dynatrace.com Mail blog.dynatrace.com Blog AloisReitbauer Twitter

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W-JAX Performance Workshop - Web and AJAX

  • 1. Java Enterprise Performance Web/AJAX Performance
  • 2. Overview Web Performance Browser Server JavaScript Performance HTML Rendering Many AJAX/HTTP calls High Latency High Datavolume Thread-/ Connectionpools Network Database Access WebService/ Backend Calls Browser Browser
  • 3.
  • 4. The Anatomy of the Browser JavaScript Engine DOM Renderer Daten XHR Connection Pool .html . .png .js .css .css
  • 5.
  • 6.
  • 7.
  • 8.
  • 9.
  • 10. Caching on the Web Clients Server Cache per Client Server providing Caching Information Proxy Cache for Many Clients Serverside Data Cache
  • 11.
  • 12.
  • 13.
  • 14.
  • 15.
  • 16.
  • 17.
  • 18.
  • 19.
  • 20.
  • 21.
  • 22.
  • 23.
  • 24.
  • 25.
  • 26.
  • 27.
  • 28. alois.reitbauer@dynatrace.com Mail blog.dynatrace.com Blog AloisReitbauer Twitter

Editor's Notes

  1. Working with caches
  2. Working with caches
  3. Working with caches
  4. Working with caches
  5. Working with caches