2. Optimizing &
Speeding Up a
WordPress Site

3. Vinay Paudel
tweet @paudelvinay
Email: paudelvinay@gmail.com
Blog : http://vinayp.com.np

4. Wordpress Structure

5. Facts/Results
• 80-90% of the end-user response time is spent
downloading all the components in the page:
images, stylesheets, scripts, Flash, etc
• Site having loading time more than 5 minutes
loose 50% visitors.
• Less Http Request, More fastest the site

6. Facts/Results

7. Facts/Results

8. Optimize theme
• well-coded theme.
• Find any unclose tag on theme
• Check malicious/unwanted code
– Theme Authenticity Checker (TAC)
(http://wordpress.org/extend/plugins/tac/)
– Exploit Scanner
(http://wordpress.org/extend/plugins/exploit-
scanner/)

9. Optimize theme
• Images
– Replace some of the images with text
– Use GIF, PNG and JPEG format
– Try WP-Smush

10. Optimize theme
• Use CSS Sprites

11. Optimize theme
• Combine minify and compress HTML, JS and
CSS
– Use compressor tools
– Use Plugins
• WP Minify (http://wordpress.org/extend/plugins/wp-
minify/ )
• Better WordPress Minify
(http://wordpress.org/extend/plugins/bwp-minify/)
• Put CSS on header and JavaScript on footer

12. Optimize theme
• Non Persistent caching

13. Optimize theme
• Persistent caching

14. Optimize/Speed up Plugins
• Be selective on plugins choice.

15. Optimize/Speed up Plugins

16. Optimize/Speed up Plugins
• Deactivate and delete unnecessary plugins

17. Optimize/Speed up Plugins

18. Optimize/Speed up Plugins
• Check plugins performance
– P3 (Plugin Performance Profiler)
(http://wordpress.org/extend/plugins/p3-
profiler/)

19. Optimize/Speed up Plugins

20. Cache Using Plugins
• Caching Plugins
– W3 Total Cache
(http://wordpress.org/extend/plugins/w3-total-
cache/)
– WP Super Cache
(http://wordpress.org/extend/plugins/wp-super-
cache/)

21. Apply CDN using Plugins
• CDN (content delivery Network).
– W3 Total Cache
– image files, js files, css files, uploaded files

22. Optimize using wp-config
• define('WP_CACHE', true);
• define('WP_POST_REVISIONS', false);
OR define('WP_POST_REVISIONS', 10);
• define('EMPTY_TRASH_DAYS', 30);
• define(‘WP_HOME’,‘http://vinayp.com.np’);
• define(‘WP_SITEURL’,‘http://vinayp.com.np
’);
• define('WP_ALLOW_REPAIR', true);

23. Optimize using htaccess
• Gzip File Compression
<ifModule mod_deflate.c>
AddOutputFilterByType DEFLATE text/html text/plain text/xml application/x
ml application/xhtml+xml text/css text/javascript application/javascript applic
ation/x-javascript
</ifModule>
• Disable Etags
Header unset Etag
FileETag None

24. Optimize using htaccess
• Use Browser Caching
# BEGIN Expire headers
<ifModule mod_expires.c>
ExpiresActive On
ExpiresDefault "access plus 5 seconds"
ExpiresByType image/x-icon "access plus 2592000 seconds"
ExpiresByType image/jpeg "access plus 2592000 seconds"
ExpiresByType image/png "access plus 2592000 seconds"
ExpiresByType image/gif "access plus 2592000 seconds"
ExpiresByType application/x-shockwave-flash "access plus 2592000 seconds"
ExpiresByType text/css "access plus 604800 seconds"
ExpiresByType text/javascript "access plus 216000 seconds"
ExpiresByType application/javascript "access plus 216000 seconds"
ExpiresByType application/x-javascript "access plus 216000 seconds"
ExpiresByType text/html "access plus 600 seconds"
ExpiresByType application/xhtml+xml "access plus 600 seconds"
</ifModule>
# END Expire headers

25. Optimize using Server
• Server Caching
– opcode cache like Alternative PHP Cache
(APC), XCache, Memcache, eAccelerator, etc

26. Optimize Database
• Try phpMyAdmin

27. Optimize Database
• Try plugin to optimize
– WP-Optimize
(http://wordpress.org/extend/plugins/wp-optimize)
– Optimize DB
(http://yoast.com/wordpress/optimize-db/)
• Automatic Database Repair
– {$your_site}/wp-admin/maint/repair.php
• Don’t backup your database during
high traffic time
• Use Following Queries on Footer

28. Optimize Database
• Cache Your Database
• Delete Spam Comments

29. References
• http://codex.wordpress.org/WordPress_Optimiza
tion
• http://codex.wordpress.org/WordPress_Optimiza
tion/Caching
• http://wp.tutsplus.com/tutorials/hosting/optimiz
ing-wordpress-loading-speed-with-header-php-
htaccess/
• http://wp.smashingmagazine.com/2012/06/26/d
iy-caching-methods-wordpress/
• http://sixrevisions.com/css/css-sprites-site-
speed/

30. Thank You
Questions?