WordPress Performance 101

Bora Yalçın

twitter @borantula

wpbudapest.com

My name isBora Yalçın

Tweeting from@borantula

Developer & PartnerDion Works

DoingWordPress sites, Laravel applications

and web consultancy

Who?

Who the Performance?!?

WordPress Performance for:

- Starters

- Site Owners

- Power Users

- Developers (even experienced ones miss a spot sometimes)

Why the Performance?Bad performance causes:

- Losing Users40% of abandon an ecommerce website if it

take more than 3 seconds

- Losing Money

Conversion rate drops around 7% every

second.

- Hurts SEOHigh bounce rates,

High abandonment,

Google measures page load times

People are Impatient on Web

“Instead of this slow website I’ll watch my watch”

Server Configuration for Performance

Server Setup

Nginx or Apache Configuration

Php Settings

Mysql fine tuning

Memcache setup

…..and some other stuff we won’t cover today

Hosting

Ask before you buy!Php version: Ask for 5.4+

Php memory limit: > 256M

Tech Support

Panel access (like cPanel etc.)

Ask for WordPress supported

Ask for limited Php functionality

You only

support php

5.2! OMG that’s

so 2006!

Just After the Setup: The Heaven

No plugin

No users

No content

Just a theme,

you

and endless possibilities...

After a while from the setup

- A plugin for this, two plugins for that…- Some 5000x4000 images right from your

camera.- heavy frontend stuff (lots of social buttons

etc.)- Users started visiting to your site

First Step: Diagnosis

Measure current situation:

Measure with:

- Pingdom tool for speed test

- Chrome developer tools for sources and

timeline

- Pagespeed for insights about page

- Blitz.io for load and stress test

Before Cache Test configuration

Load: 1-100 users

Duration: 60 seconds

Average response: 2.59 sec.

61 users served

The average hit rate of 1.02/second

translates to about 87,840 hits/day.

Install a Cache Plugin

Popular Cache

Plugins

- W3 Total Cache

- WP Super Cache

- WP Rocket

- Zen Cache

Before caching, normal workflow

W3 Total Cache

Enable Page Cache:

Disk enhanced

Enable Browser Cache

Enable gzip

compression

Page Cache!

Page CachedNo Mysql

No PHP

No Theme&Plugin

Browser Cache!

Especially for assets like images, javascript and css files.

Measure Again!

Measure current situation:

Measure with:

- Pingdom tool for speed test

- Chrome developer tools for sources and

timeline

- Pagespeed for insights about page

- Blitz.io for load and stress test

After Cache - 1Test configuration

Load: 1-100 users

Duration: 60 seconds

The average response time:

543 ms.

1921 users served

The average hit rate of

32.02/second translates to

about 2,766,240 hits/day.

After Cache - 2Test configuration

Load: 1-500 users

Duration: 60 seconds

The average response time:

575 ms.

The average hit rate of

151.73/second translates to

about 13,109,760 hits/day.

Cloudflare

CDN, Optimizer, SSL, Security, DNS, SPDY etc.

CloudflareMakes the site even faster and

reachable.

Takes burden of assets like

images, css, javascript files

from your server.

Protect against attacks

SSL

Great free plan

Other Methods

ProfilingQuery MonitoringTransientsObject Caching (Memcache etc.)...so we have a lot more to talk about for the next meetups :)

Thank you everyone for listening