The document outlines 12 steps to optimize a website's performance, beginning with checking the LAMP stack, updating components, setting up caching, testing with various tools, optimizing the Joomla CMS, tuning the database, and more testing. It provides examples of techniques and resources for website speed optimization including YSlow, Page Speed, Webpagetest, Gtmetrix, CSS sprites, CDNs, and Jira ICT's WPO/SPO auditing services.

1. Website Optimalisatie @jd12nl
Website
Optimalisatie
Website Performance Optimization (WPO)
Server Performance Optimization (SPO)
Ray Bogman [ray@jira.nl]
Jira ICT www.jira.nl - @jiraict www.jira.nl

2. Website Optimalisatie @jd12nl
About me
Ray Bogman
• Computer Geek since 1983
• Ethical hacker, security specialist
• Performance specialist
• Founder Jira ICT
• Joomla Lover since Day One
• Joomla/Magento trainer/consultant
Ray Bogman [ray@jira.nl]
www.jira.nl

3. Website Optimalisatie @jd12nl
My site is getting slower
and slower,
what's the problem?
Ray Bogman [ray@jira.nl]
www.jira.nl

4. Website Optimalisatie @jd12nl
Webmaster Tools - Stress!
Course: http://www.webpagetest.org/forums/showthread.php?tid=10936
Ray Bogman [ray@jira.nl]
www.jira.nl

5. Website Optimalisatie @jd12nl
What is the problem, how do I fix this?
• Can I fix this myself?
• Where do I look?
Ray Bogman [ray@jira.nl]
www.jira.nl

6. Website Optimalisatie @jd12nl
Step 1: Check your LAMP stack
Ray Bogman [ray@jira.nl]
www.jira.nl

7. Website Optimalisatie @jd12nl
Step 2: Update your LAMP stack
• Centos 6.2
• Apache 2.4.1
• Mysql 5.5.23
• PHP 5.3.10
Ray Bogman [ray@jira.nl]
www.jira.nl

8. Website Optimalisatie @jd12nl
Step 3: Setup Caching layer
• APC
• Memcache
• tmpfs
• Xcache
• Eaccelerator
• Zend Optimizer+
• etc...
Ray Bogman [ray@jira.nl]
www.jira.nl

9. Website Optimalisatie @jd12nl
Step 4 : Testing & Measuring
• ab
• siege
• curl-loader
• httperf
• new-relic
• gtmetrix
• etc...
Ray Bogman [ray@jira.nl]
www.jira.nl

10. Website Optimalisatie @jd12nl
Step 5 : Install sample Joomla website
Ray Bogman [ray@jira.nl]
www.jira.nl

11. Website Optimalisatie @jd12nl
Step 6 : Testing & Measuring – Once more
• ab
• siege
• curl-loader
• httperf
• new-relic
• gtmetrix
• etc...
Ray Bogman [ray@jira.nl]
www.jira.nl

12. Website Optimalisatie @jd12nl
Step 7 : Copy LIVE website to test server
Ray Bogman [ray@jira.nl]
www.jira.nl

13. Website Optimalisatie @jd12nl
Step 8 : Testing & Measuring – Once more
• ab
• siege
• curl-loader
• httperf
• new-relic
• gtmetrix
• etc...
Ray Bogman [ray@jira.nl]
www.jira.nl

14. Website Optimalisatie @jd12nl
Step 9 : Optimizing Joomla
How to optimize Joomla?
● Reduce the number of HTTP requests
● CSS Sprites
● Compress your content
● Deflate/Expires content
● Reduce the image size (WebP, etc...)
● Use a Content Delivery Network (CDN)
● Optimize .htacces
● Remove unnecessary Joomla extention
● Enable Joomla caching (Jotcache, etc...)
● Remove unnecessary javascript (mootools vs. jquery)
● ... and many many more tricks
Ray Bogman [ray@jira.nl]
www.jira.nl

15. Website Optimalisatie @jd12nl
Step 10 : Testing & Measuring – Once more
• ab
• siege
• curl-loader
• httperf
• new-relic
• gtmetrix
• etc...
Ray Bogman [ray@jira.nl]
www.jira.nl

16. Website Optimalisatie @jd12nl
Step 11 : Database tuning
• slow_queries_log
• Mysqltuner
Known problem:
Problem is, the migration
(using jUpgrade) does not
build the #_assets table
correctly.
Ray Bogman [ray@jira.nl]
www.jira.nl

17. Website Optimalisatie @jd12nl
Slow SQL log
Ray Bogman [ray@jira.nl]
www.jira.nl

18. Website Optimalisatie @jd12nl
Assets table issues
• http://forum.joomla.org/viewtopic.php?t=679355&p=2765088
• https://github.com/ikajaste/Joomla-2.5-Asset-Weaver
• http://forum.joomla.org/viewtopic.php?f=616&t=679355
• http://joomlacode.org/gf/project/joomla/tracker/?
action=TrackerItemEdit&tracker_item_id=25617
Ray Bogman [ray@jira.nl]
www.jira.nl

19. Website Optimalisatie @jd12nl
Step 12 : Testing & Measuring – Once more
• ab
• siege
• curl-loader
• httperf
• new-relic
• gtmetrix
• etc...
Ray Bogman [ray@jira.nl]
www.jira.nl

20. Website Optimalisatie @jd12nl
Techniques & Resources
•YSlow (Firebug/Firefox plugin)
•Google Page Speed (Firefox/Chrome plugin)
•Webpagetest.org
•Gtmetrix.com (http://gtmetrix.com/reports/www.joomla-speed.com/iFp0naj4)
•Whatsmyip.org/http_compression
•Smushit.com/ysmush.it
•Host-tracker.com
•CSS Sprites (CSS technique)
•CDN (Content Delivery Network)
•Byte Internet (Joomla hosting provider)
•CloudVPS (Joomla VPS images created by Jira) Ray Bogman [ray@jira.nl]
www.jira.nl

21. Website Optimalisatie @jd12nl
More Jira ICT
•WPO/SPO audits
– jira.nl/speed
•Training & demo-days
– www.joomla-competence-center.com/
– cursus.jira.nl
Ray Bogman [ray@jira.nl]
www.jira.nl

22. Website Optimalisatie @jd12nl
Thank you
ray@jira.nl
#jiraict
www.jira.nl
http://www.slideshare.net/jiraict
http://www.facebook.com/jiraict
Ray Bogman [ray@jira.nl]
www.jira.nl