This document discusses optimizing WordPress performance. It notes that WordPress.com handles 2 terabytes of uploads with 450 terabytes of bandwidth serving 1 billion dynamic pageviews. It recommends front-end optimizations like caching and database optimizations like adding multiple databases behind a load balancer to improve performance for high traffic WordPress sites.

1. High Performance WordPress

2. WordPress.org

3. Ping-O-Matic

4. bbPress

5. Automattic

6. Akismet

7. Gravatar

8. Intense Debate

9. PollDaddy

10. BuddyPress

11. WordPress.com

12. 2 terabytes of uploads (3 gb free space)‏

13. 450 terabytes of bandwidth

14. 1 billion dynamic pageviews

15. 14.2 billion requests (7,300 a second)‏

16. Performance vs Scalability

17. Performance: 90% front-end

18. Un-tuned stack: Linux, Apache, PHP 4, MySQL 4

19. 8 requests a second

20. 691,200 pageviews a day

21. APC!

22. 50% boost: 12 requests per second

23. WP-Cache

24. See also: Supercache Batcache

25. 300 requests per second 25.9 million pageviewss

26. fin!

27. Web Server Configuration

28. Static Requests

29. Good: nginx Okay: Amazon S3 Best: CDN - Panther

30. Going beyond?

31. Split Web & DB

32. Add Multiple Webs +nginx

33. Add Multiple DBs +HyperDB

34. Memcache

35. 90% of pageviews not logged in

36. Batcache: dynamic output cache

37. Your Blog

38. 1. Upgrade WP

39. 2. Supercache

40. 3. Optimize CSS, images, and JS

41. 3. Optimize CSS, images, and JS

42. 3. Optimize CSS, images, widgets, and JS

43. Thank you!

44. Q&A

45. [email_address] http://ma.tt Twitter: photomatt Orkut!