learning to

Troubleshoot WordPress


by Carrie Dils

carriedils.com • @cdils

WordCamp Orange County #WCOC • 6/7/14







Teaching you to fish





what we're talking about


Troubleshooting Basics


it doesn't work


start with the right steps


Uh, is it plugged in?

Does the problem still exist?


bonus tip for multi-user sites


Track and monitor every change on your WordPress site.

wp-stream.com

stream plugin


Fixing Common Problems

Who knows what's in your cache. Flush it.


Troubleshooting basics:

Fixing Common Problems


  • permalinks don't work
  • broken pagination
  • restoring site from a backup
  • diagnosing errors


http://codex.wordpress.org/Troubleshooting


(don't forget to #googlethat)

Avoid common pitfalls



Troubleshooting basics:

avoiding common pitfalls


  • using the editor in the WP dashboard
  • not having FTP client and login at the ready
  • editing core WordPress files
  • editing framework or parent theme files

bring out the big guns






Troubleshooting has been my greatest teacher as a developer.

@Blithe


troubleshooting for developers

CODE helpers


Use a  code editor:

Sublime Text (mac, pc)

Notepad++ (pc)

Coda (mac)

Dreamweaver (mac, pc)


Or an IDE:

PHPstorm (mac, pc)
NetBeans (mac, pc)
VIM

be nice to yourself

syntax validators


HTML

CSS

PHP

JavaScript

debugging


// add this to wp-config.php
define( 'WP_DEBUG', true );

Use plugins like...


To help you...

  • see what queries ran on a page
  • which page template is used
  • run php or sql against current query
  • show all actions fired on a page
  • break down HTTP requests (and show time)




query monitor

troubleshooting style

Use built-in browser tools like Firebug or Chrome Developer Tools.

troubleshooting speed & Performance


Plugins

P3 (plugin performance profiler)

Browser Tools

Pingdom Speed Test
Google Pagespeed Insights
WebPageTest

In-Depth Analysis

Sitespeed.io
(plus a great review from Mika Epstein)


Questions?



carrie dils

www.carriedils.com

@cdils

photo credits

crying baby - http://www.morguefile.com/archive/display/776532

toilet - http://www.morguefile.com/archive/display/131456

big guns - http://i986.photobucket.com/albums/ae342/Nonsensitive/bigguns.jpg

validation - http://film-english.com

plug - http://www.morguefile.com/archive/display/906155

Learning to Troubleshoot WordPress

By carrie dils

Learning to Troubleshoot WordPress

Presentation for WordCamp Orange County - June 7, 2014

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