website optimalisatie - joomladagen 2012

Ray Bogman [[email protected]]www.jira.nl

Website Optimalisatie @jd12nl

WebsiteOptimalisatie

Website Performance Optimization (WPO)

Server Performance Optimization (SPO)

Jira ICT www.jira.nl - @jiraict

mailto:[email protected]



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




My site is getting slower and slower,

what's the problem?




Webmaster Tools - Stress!

Course: http://www.webpagetest.org/forums/showthread.php?tid=10936




What is the problem, how do I fix this?

• Can I fix this myself?• Where do I look?




Step 1: Check your LAMP stack




Step 2: Update your LAMP stack

• Centos 6.2

• Apache 2.4.1

• Mysql 5.5.23

• PHP 5.3.10




Step 3: Setup Caching layer• APC• Memcache• tmpfs• Xcache• Eaccelerator• Zend Optimizer+• etc...




Step 4 : Testing & Measuring

• ab• siege• curl-loader• httperf• new-relic• gtmetrix• etc...




Step 5 : Install sample Joomla website




Step 6 : Testing & Measuring – Once more





Step 7 : Copy LIVE website to test server




Step 9 : Optimizing JoomlaHow 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




Step 11 : Database tuning

• slow_queries_log• Mysqltuner

Known problem:Problem is, the migration (using jUpgrade) does not build the #_assets table correctly.




Slow SQL log




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




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)


http://gtmetrix.com/reports/www.joomla-speed.com/iFp0naj4



More Jira ICT

•WPO/SPO audits– jira.nl/speed

•Training & demo-days– www.joomla-competence-center.com/– cursus.jira.nl


http://www.jira.nl/speed

http://www.joomla-competence-center.com/

http://cursus.jira.nl/



Thank [email protected]

#jiraict

www.jira.nlhttp://www.slideshare.net/jiraicthttp://www.facebook.com/jiraict



http://www.twitter.com/jiraict

http://www.jira.nl/

http://www.slideshare.net/jiraict

http://www.facebook.com/pages/Jira-ICT/113862438674231

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