High Performance WordPress

transcript

Saturday, September 13, 14

Jake Spurlockjake_spurlock@wired.com@whyisjake

jakespurlock.com

Business

Technology Design

WP_Query()*

*and the future...

Performance...

•Why server-side performance issues happen?•Diagnosing and Solving•Common Performance Issues•Deep Dive into Cache Stampedes

Data...URL where the issue happened? front-end? backend? both? specific actions? Any errors seen or reported? Screenshot or screencast available? Happening to everyone or just one person or a small group? Happening everywhere (desktop, mobile with 3G, mobile with wifi)? Reproducible consistently? or Sporadic? etc...

Three RRRules to Make Things Faster...

★ Reduce: Do fewer things★ Reuse: Cache the things you already did★ Recycle: Use existing code to do the things

Free Bonus Rule

•Remove: Get rid of it completely...

WP_Query()?

Let’s talk about caching...

Page Caching...

• W3 Total Cache

• WP Super Cache

• Batcache

• Varnish

• Akamai

memcached or APC

Node.js?

WP JSON API?

Cache Params

wp_cache_*

What if just returned IDs?fields => ids

wp_cache_*

$facebook_graph_url = 'https://graph.facebook.com/WordPress'$response = wp_remote_get( $facebook_graph_url );$data = json_decode( $response );echo $data->likes;

Remote Data....

$.getJSON('https://graph.facebook.com/WordPress', function( response ) { console.log( response.likes ); });

Remote Data....

Questions?

Wired is hiring...email me: jake_spurlock@wired.com

wired.com

20,000 - 40,000 concurrent vistors...

Jake Spurlockjake_spurlock@wired.com@whyisjake

jakespurlock.com

High Performance WordPress

Internet