how to speed up your joomla! site
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TRANSCRIPT
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HOW TO SPEED UP YOUR JOOMLA SITE?
Daniel KanchevPerformance Guru
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Before We Begin – Who’s That Guy Daniel?
✓ 7+ years of Joomla! experience
✓ 5 years with SiteGround
✓ Love travelling the world
✓ Addicted to extreme sports
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✓ Site speed affects your Google Rankings!
✓ Keep readers/customers happy & paying
✓ Be able to handle more visitors
✓ Go green and save $$$ from servers
WHY BOTHER DOING IT?
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Faster Joomla = Optimizations
!!
KEEP
CALM IT’S NOT
ROCKET
SCIENCE
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✓ Keep your Joomla! updated
✓ Choose extensions wisely
✓ Deactivate unused extensions, upgrade used
✓ Simplify your templates as much as possible
GENERAL GUIDELINES
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Simple Front Page Is Better
✓ Fancy stuff – only if you really need it
✓ Remove unnecessary large images
✓ Use fewer internal/external links – add sitemap
✓ Avoid loading content from remote servers
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APPLICATION LEVEL OPTIMIZATIONS
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Enable Compression
✓ Natively supported by Joomla! – no extensions needed
✓ Requires mod_gzip/deflate to be enabled on the server ***
Site
Global Configuration
Server
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Enable Joomla! Cache
✓ Enable the “System – Cache” plugin
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Recommended Cache Settings
Site
Global Configuration
System
Cache Settings
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Some .htaccess Magic
✓ Get the code: http://goo.gl/ze09B
✓ How it works: - Etag – Tells browsers that an image/unit does not need to be reloaded- Expires Headers – Set different expiration dates for various file types- AddOutputFilterByType DEFLATE – minifies the compiled HTML source code
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Some .htaccess Magic
✓ The code:
FileETag MTime Size AddOutputFilterByType DEFLATE text/html text/css application/javascript ExpiresActive On ExpiresDefault "now plus 1 hour" ExpiresByType text/css "now plus 1 week“ExpiresByType application/javascript "now plus 1 week" ExpiresByType application/x-javascript "now plus 1 week”
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More Optimizations: Images, CSS & JS
✓ Resize images – never upload 2560x1600 pictures
✓ Smush your images
✓ Minify and combine CSS and JS files
✓ Use image sprites
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Sounds Nice, How Do I Begin?
✓ Use smush.it
✓ Photoshop/Fireworks
✓ Joomla! Extensions
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Some Highly Rated Extensions
✓ JCH Optimize – Combines JS and CSS, Combines images in sprites, Minify and Compress
✓ Jbetolo – same as above but + CDN support ✓ JotCache – improves the Joomla! built in Core
Cache ✓ Cache Cleaner – easily clean the cache from the
Joomla! admin panel
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JCH Optimize
✓ Enable the “System – JCH Optimize” plugin
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JCH Optimize Settings
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Google mod_pagespeed
✓ An open-source Apache module - compress, combine and cache
✓ Needs to be installed/configured by a System Administrator ✓ Available on SiteGround servers *
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Check How’s Your Website Doing
✓ Google Page Speed Insights - http://goo.gl/zPkxx
✓ YSlow - http://goo.gl/qIios
✓ GTmetrix - http://gtmetrix.com/
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Some Results – Default Joomla!
No Optimizations
Cache/ Compression
.htaccess rules
JCH
Page Load Time 1.61s 1.49s 1.32s 1.02s
Total Page Size 563KB 162KB 162KB 151KB
Number of Requests 35 35 35 19
Page Speed Grade F (41%) B (65%) B (87%) A (91%)
YSlow Grade C (70%) B (66%) B (86%) A (92%)
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SERVER LEVEL OPTIMIZATIONS
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Use CDN
!
YOUR VISITORS LOCATION MATTERS!
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CDN Features
✓ CDN will make your website faster
✓ CDN will help avoid unneeded I/O on your hard drives
✓ CDN will appeal to both Google and your visitors
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Software Tweaks
✓ Use fast and secure PHP like FastCGI ✓ Move PHP binaries to RAM ✓ Move TMP to RAM ✓ Move MySQL to a separate hard drive: RAID & SSD ✓ Enable MySQL query cache ✓ Use TMPFS for MySQL’s tmpdir
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Opcode/Object Caching
✓ FastCGI + APC PHP extension
✓ Memcached and PHP/MySQL
✓ eAccelerator
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Joomla Interaction with Your Database
✓ First request goes to the database server
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Object Caching
✓ First request goes to the database server
✓ Objects are also stored in Memcached
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Object Caching
✓ All consecutive requests are forwarded to the Memcached server
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How PHP works
! Scanning
! Lexing
! Parsing
! Compilation
! Opcode
! Execution
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! Opcode ! Execution
PHP Opcode Caching
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Reverse Proxy Servers
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Reverse Proxy Servers
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Reverse Proxy Servers
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Reverse Proxy Servers
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✓ Custom PHP/MySQL configuration
✓ Memcached/PHP APC
✓ Joomla! friendly reverse proxy setup
Our Own Solution: The SUPERCACHER
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Final Results: Joomla + VirtueMart
No Optimizations
Application Level Optimizations
Server Level Optimizations
Page Load Time 5.22s 3.49s 1.09s
Total Page Size 1.89MB 0.67MB 0.67MB
Number of Requests 76 28 28
Page Speed Grade F (41%) B (85%) A (92%)
YSlow Grade C (70%) B (84%) A (94%)
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Some Key Takes
✓ Speed optimization is a process – do it regularly
✓ Always test!
✓ Choose a well optimized host
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QUESTIONS TIME ?