WP Super Cache - Topanga WordPress Meetup

Intro to Caching with WP Super Cache 1.3.2Suzette FranckTopanga WordPress Meetup Group Thursday, July 18, 2013

Suzette Franck with a “ck”

★(mt) Media Temple WordPress Evangelist

★18+ Years Hand Coding & Web Development

★Regular Speaker: WordCamps & Meetups

★Reg. Contributor on WPwatercooler.com

★Blogs frequently at: suzettefranck.com

★Twitter: @mt_Suzette

★Slides: speakerdeck.com/suzettefranck

What We Will Cover“Learning is like rowing upstream, not to advance is to drop back.”

★Caching : What it is, Why and How to Use it

★Testing & The Scientific Approach to Optimization

★WP Super Cache Prep and Configuration

Optimization with WP Super Cache

What is Caching?“A component that transparently stores data so that future requests for that data can be served faster.”

Types of Caching

★Browser Caching

★Page Caching

★DNS Caching

★Server Caching

★more...

Page Caching

★Processes all code and creates a static HTML file

★Serves static file to user instead of asking to reprocess

★Dynamic content varies with the method that you use

★Caveat: widgets may not update as often as you like

★Expiration time of files can be indicated

Why Cache?C.R.E.A.M.

Cache Rules Everything Around Me

5 Reasons to Take Advantage of Caching

★Reduce outages during traffic spikes/heavy load

★Improve speed and performance of server

★Create a better experience for the user

★Improve SEO with better page load times

★Increase conversion and retention

Before Installing Any Plugin

“An ounce of prevention is worth a pound of cure”

- Benjamin Franklin

Recommended Backup Plugins

★BackUpWordPress

★BackupBuddy

★WordPress Backup to DropBox

★WP Migrate DB Pro

(database only)

Tip: Don’t store backups on your server!

Adopt a Scientific Approach

“Science, my boy, is made up of mistakes, but they are mistakes which it is useful to make, because they

lead little by little to the truth.”

- Jules Verne, Journey to the Center of the Earth

Be Organized and Intentional

★Specific and measurable results

★Create a repeatable procedure for testing

★Make sure to log out of Admin!

★Record results with dates and times

★Note conditions (i.e. plugins/configs)

★Average/compare multiple test results

Web Page Tools

★Online Website Tools:

Specify Location, Browser, & Connection Type

★Browser Extensions for Firefox/Firebug:

Your Location, Your Browser, & Your Connection Type

★Set up your own standards for testing

WP Super Cache“Efficiency is doing things right;

effectiveness is doing the right things.”-Peter Drucker

★Verify WordPress compatibility

★Updated this year 04/2013

★Total Downloads: Over 4.5 million

★Good Star Rating 4/5

★Avg 3,000 downloads/day

★Excellent inline documentation

★WP-Cache 2 forked in 2007 by:

Donncha Ó Caoimh

WP Super Cache

★Developer at Automattic

★Has written 19 WordPress plugins

★Lives in Blarney, Ireland

★1 Dog and 2 Cats

★Avid Photographer: inphotos.org

Donncha Ó Caoimh (Dunaka O Quiv)

ConfigurationIteration, Patience, Precautions; not Perfection

★mod_rewrite module

★PHP

★Legacy

3 Ways to Serve Static Files

★Most recommended method

★Fastest, bypasses PHP processing

★Uses Apache’s mod_rewrite module (custom permalinks)

★Requires changes to .htaccess file

★Serves “supercached” static html files

mod_rewrite

★Server intensive process, slower

★Requires custom permalinks

★Static file will be served if it exists

★Allows portions of page to be dynamic (widgets)

★Easier to setup: no .htaccess modification

★Use when other methods fail

★Most flexible but slowest

★Can incorporate dynamic parts

★Avoid if possible

Legacy

ValidationHow do I know if my site is serving static pages?

★Turn on Debugging in Settings

★View Source in Chrome

★Scroll to bottom, look for similar to:

Confirming Cached Pages

WebPageTest.org (Cached)

★Caching FTW!

★Make change, test, repeat

★Be organized and systematic

★WP Super Cache rules!

Next Settings Demo...but let’s review so far

DISCLAIMER: Use YOUR best judgement & always take precautions! (i.e. Backups)

Magic WordPress Unicorn Demo

★Resources to Reach Your WordPress Potential

★Optimizing WordPress for Shared Hosting Environments

★Demystifying Hosting and Domains

★Jetpack 2.2.5 (Photon CDN for images)

Other Related Speaker Decks by @mt_Suzette

http://speakerdeck.com/suzettefranck

Questions?

Suzette Francksfranck@mediatemple.net

https://speakerdeck.com/suzettefranck

@mt_Suzette

WP Super Cache - Topanga WordPress Meetup

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