WordCamp Harare 2017

Cover slide: line-drawn iMac, Macbook, and smartphone with italic uppercase typo, black and orange
Cover slide from my talk at WordCamp Harare: Fast websites, and how to make them


This talk is licenced under a Creative Commons Attribution-ShareAlike 4.0 International License.


Download PDF (42,1 MB)

Your friendly WordPress performance checklist

Slide displaying the list below
A.k.a. what PageSpeed Insights should be telling you if you’re not a developer.


  1. Know your own website address
  2. Prepare for slow networks
  3. Pay for quality hosting
  4. Avoid external requests
  5. Commit to relevant images
  6. Automate image optimisation
  7. Rely on a lean theme
  8. Make a content strategy
  9. Minimise the use of JavaScript
  10. Reuse requests with caching


Mobile connections and internet prices in Zimbabwe:
How much is the internet in Zimbabwe? – Here’s a comparison of local broadband prices in 2017
Google promoting fast websites:
“Faster is better and less is more”
Average page size in 2017:
2961 kb (~3 MB)
Increasing page size:
The growth of web pages
Paul Bakaus on perceived performance and possible metrics:
The Illusion Of Speed
Benchmarking the Facebook widget:
Page load time increased from 620 ms to 1.51 s
Lucy Beer explaining caching in plain English:
WordPress page caching explained in plain English

Browser caching explained in plain English
Addy Osmani on minimising the use of JavaScript:
The Cost Of JavaScript