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SEO Why bother if your site is dead slowJ and Beyond 2011, Kerkrade
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SEO? Why bother if your site is dead slow? @jab11
SEO? Why bother if your site is dead slow?
Website Performance Optimization (WPO)
Server Performance Optimization (SPO)
Jira ICT www.jira.nl - @jiraictYireo www.yireo.com - @yireo
SEO? Why bother if your site is dead slow? @jab11
About myself
Ray Bogman• Computer Geek since 1983• Ethical hacker, security specialist• Performance specialist• Founder Jira ICT | Yireo• Owner of wildhibiscus.nl• Joomla Lover since Day One• Joomla/Magento trainer/consultant
SEO? Why bother if your site is dead slow? @jab11
Why do we need fast website?
SEO? Why bother if your site is dead slow? @jab11
What's new
SEO? Why bother if your site is dead slow? @jab11
Response time
What's a good response time to aim for?
Studies by Akamai claim 2 seconds is the threshold for websites being acceptle.
At Google they aim for under 1.5 second.
SEO? Why bother if your site is dead slow? @jab11
Google Analytics – Site Speed
SEO? Why bother if your site is dead slow? @jab11
Is Joomla slow?
SEO? Why bother if your site is dead slow? @jab11
Case: joomla-speed.com
Before:
SEO? Why bother if your site is dead slow? @jab11
Response time
No more “next-next-next-finish” clicking
•A faster website requires work•First analyzing, then tuning
SEO? Why bother if your site is dead slow? @jab11
Case: joomla-speed.com
After:
SEO? Why bother if your site is dead slow? @jab11
Optimizing Joomla
How to optimize Joomla?● Professional Webhosting ● Reduce the number of HTTP requests● CSS Sprites● Compress your content● Deflate/Expires content● Reduce the image size● Use a Content Delivery Network (CDN)● ... and many many more tricks
SEO? Why bother if your site is dead slow? @jab11
•Professional Webhosting
• Not every webhoster is optimazed• Shared, Dedicated or VPS/VDS• Apache, Nginx, Lighttpd• File cache, Xcache, APC, Memcache etc...
www.byte.nl (shared/dedicated)
www.xlshosting.nl (VPS, optimazed images by Jira)
SEO? Why bother if your site is dead slow? @jab11
Minimize HTTP requests
• Minimize the number of images needed• Combine images with CSS Sprites• Combine CSS and JavaScript
SEO? Why bother if your site is dead slow? @jab11
CSS Sprites
SEO? Why bother if your site is dead slow? @jab11
Compress your content
Compress text-output (HTML, CSS, JavaScript):• mod_deflate• Gzip
SEO? Why bother if your site is dead slow? @jab11
Enable mod_deflate & mod_expires
SEO? Why bother if your site is dead slow? @jab11
Enable gzip
SEO? Why bother if your site is dead slow? @jab11
Reduce size of images
• Indexing• Compression
SEO? Why bother if your site is dead slow? @jab11
Content Delivery Network (CDN)
Content is delivered through network of servers, instead of just a single webserver
SEO? Why bother if your site is dead slow? @jab11
Measure from different entry points
0.19 sec0.40 sec
SEO? Why bother if your site is dead slow? @jab11
Measure from different entry points
0.8 sec0.9 sec
SEO? Why bother if your site is dead slow? @jab11
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)
•XLS Hosting (Joomla dedicated VPS images by Jira)
SEO? Why bother if your site is dead slow? @jab11
More Jira ICT
•WPO/SPO audits– jira.nl/speed
•Training & demo-days– www.joomla-competence-center.com/– cursus.jira.nl
SEO? Why bother if your site is dead slow? @jab11
Thank youray@jira.nl
#jiraict
www.jira.nlhttp://www.slideshare.net/jiraicthttp://www.facebook.com/jiraict
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