My improved presentation on how to speed up Wordpress and optimize it's performance. Also covers why we still need to care about page load time.

1. Wordpress Horsepower
Ways to speed up Wordpress

2. I am Ross Johnson
@3pointRoss

11. SPEED

13. Should
We Care?

14. YES

15. moving on...

16. 5% Still on Dial Up
Source: http://www.websiteoptimization.com/bw/1008/

17. Mobile Browsing is
Gaining Popularity

18. We are less patient

19. “
53% of DVR subscribers use
their DVR to skip commercials
”

20. Instant Media is Growing Rapidly...

22. There is no excuse!

23. “You could lose up to 33% of
your visitors if your page took
more than 4 seconds to load on
”
a broadband connection.
- Akamai, 2006

24. “For every 100ms increase
in load time, sales would
”
decrease 1%.
- Amazon, 2007

25. “
Going from 10 to 30 results per
page increased load time by a
mere 0.5 seconds, but resulted
”
in a 20% drop in traffic.
- Google 2006

26. “
Google is incorporating site
speed as one of the over 200
signals that we use in
”
determining search rankings.
- Matt Cutts, Google 2010

27. “
...tolerable wait times have
decreased to just two seconds.
- Fui-Hoon, University of Nebraska
”

28. “
A 2-second delay resulted in a
3.8% decrease in user
”
satisfaction and 4.3% decrease
in revenue.
- Microsoft Study, 2010

29. http://www.pearanalytics.com/blog/2009/how-webpage-load-time-related-to-visitor-loss/

30. Adding Horsepower

31. AREA 1
YOUR THEME

33. Improve Theme Coding

34. ROSS’ CODING TIPS
no table based layout
all semantic HTML

35. ROSS’ CODING TIPS
use CSS shorthand
margin-top: 10px;
margin-bottom: 20px;
margin-left: 0;
margin-right: 40px;
margin: 10px 40px 20px 0;

36. ROSS’ CODING TIPS
Javascript at the bottom
</div> <!--/#pagewidth-->
<script type=”text/javascript”>
</script>
</body>
</html>

37. ROSS’ CODING TIPS
Compress Javascript
Javascript Compressor

38. Tools for Optimization
Compress your Javascript
http://javascriptcompressor.com
Clean up your HTML
http://tidy.sourceforge.net
Compress and Clean your CSS
http://www.cleancss.com
http://www.csscompressor.com
Compress your images
http://toki-woki.net/p/Shrink-O-Matic/

39. Reduce Server Requests

42. DNS Lookup
Hello Server!

43. Hello Computer!

44. Can I have this file?

45. Here you go!

46. Often takes longer than
download the file!

47. Two at a time

48. LESS = MORE

49. Combine Files

50. CSS Files

51. Javascript Files

52. Image Files
(use sprits)

54. Combine Your Files
http://wordpress.org/extend/plugins/scripts-gzip
http://halmatferello.com/lab/wp-css/
http://halmatferello.com/lab/wp-js/
http://code.google.com/p/minify/
Use Sprites
http://www.csssprites.com
Share the Wealth
http://code.google.com/apis/libraries

55. AREA 2
YOUR WORDPRESS
SETUP

56. Database & Scripting

57. in order to see this...

58. Template file(s) with code that
needs to be processed
Page is rendered
and displayed

59. This takes time...

60. Use Caching

61. Creates a
static page
Page is rendered
and displayed

62. Top Caching Plugins
•WP Super Cache
•Hyper Cache
•DB Cache
•WP Widget Cache
•W3 Total Cache

63. Content
Delivery
Network

65. Servers to send files to
the user are selected by
Proximity
Latency
Network

66. CDN Plugins
My CDN
http://wordpress.org/extend/plugins/my-cdn
W3 Total Cache
http://wordpress.org/extend/plugins/w3-total-cache
CDN Tools
http://wordpress.org/extend/plugins/cdn-tools
Free CDN
http://wordpress.org/extend/plugins/free-cdn

67. CDN Networks
Amazon CloudFront
• Akamai
• CacheFly
• EdgeCast Networks
• Internap
• Level 3 Communications
• Limelight Networks

68. Prevent
Spam

70. Tactics
Captcha
Recaptcha - http://wordpress.org/extend/plugins/wp-optimize
Plugins
Akismat - http://wordpress.org/extend/plugins/wp-optimize
WP-Spam Free - http://wordpress.org/extend/plugins/wp-optimize
Other
Bad Behavior - http://wordpress.org/extend/plugins/bad-behavior

71. AREA 3
YOUR HOSTING

72. Three
Common
Options

73. Shared
One server hosts
many websites

74. Virtual Private
You get dedicated
memory other sites
can’t use...

75. Dedicated
Server is all yours!

76. Server Tweaks

77. Compress all
files with GZIP

78. GZIP TOOLS
GZIP Enable
http://wordpress.org/extend/plugins/gzip-enable/
GZIP Output
http://wordpress.org/extend/plugins/gzip-pages/
Gzippy
http://wordpress.org/extend/plugins/gzippy/

79. Virtual Domains
css.domain.com
images.domain.com
videos.domain.com

80. Thank ya!
http://www.37designs.com
http://3.7crea.tv
http://stylizedweb.com
http://workshop.37designs.com
@3PointRoss