Don't Make Me Wait! A Primer on Site Speed
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The document discusses the importance of site speed for web performance, citing significant impacts on traffic and sales from slow loading times. It provides insights on enhancing speed using better server resources, caching techniques, and optimized software. Additionally, it lists various caching plugins popular within the WordPress community to improve site efficiency.
Don't Make Me Wait! A Primer on Site Speed
- 1. A Primer on Site Speed Don’t Make Me Wait! Joe Fleming @w33ble joe@wpcurrent.com
- 2. Who? ● Web Developer (Node.js, PHP) ● Community Activist ● Owner, Ansible Consulting ● Creator, WPCurrent.com
- 3. Before we begin... ● OpenHackPHX.com / @openhackphx ○ Code together, on anything, in Phoenix ○ OpenHack #003 - August 29th, Gangplank Chandler ● http://nextplex.com/phoenix-az ○ Calendar of tech-related events ● Phoenix Mobile Festival - August 24th ● Desert Code Camp - November 9th
- 4. Site Speed
- 5. Speed Matters Google ● Page load, 400ms to 900ms (+500ms) ● Decreased traffic and ad revenues by 20% Amazon ● Artificially increased page loads by 100ms ● Every 100ms caused 1% sales decrease Source: http://www.svennerberg.com/2008/12/page-load-times-vs-conversion-rates/
- 6. Glasses Direct ● Conversion rate drops by 6.7% for each additional second ● 47% of consumers expect page load of 2 seconds or less Speed Matters Sources: http://blog.tagman.com/2012/03/just-one-second-delay-in-page-load-can-cause-7-loss-in-customer-conversions/ http://blog.kissmetrics.com/wp-content/uploads/2011/04/loading-time-sml.jpg
- 7. How?
- 8. ● Faster Servers ○ CPU power ○ I/O latency and speed ● Dedicated Resources ○ VPS ○ Dedicated hardware ● Better Network Connection Increasing Speed
- 9. ● Separating Concerns ○ Dedicated hardware ● Faster Software Platforms ○ Faster languages ○ Specialized software ● CDN ● Lazy Loading Content Increasing Speed
- 10. ● Making software do less ○ Less plugins ● Caching Increasing Speed
- 11. Caching
- 14. Options
- 15. ● Server Caching ○ Varnish ○ APC ● DNS Caching ● Caching Plugins ○ WP Super Cache (Downloads: 4,823,139) ○ W3 Total Cache (Downloads: 2,461,049) ○ Quick Cache (Downloads: 450,960) Caching Options
- 16. ● Server Caching ○ Varnish ○ APC ● DNS Caching ● Caching Plugins ○ WP Super Cache (Downloads: 4,823,139) ○ W3 Total Cache (Downloads: 2,461,049) ○ Quick Cache (Downloads: 450,960) Caching Options
- 17. Demo Time