Learn how to perform a detailed page speed audit. Many of the apps we install in the Shopify app store are destroying our page speed. Demand more! Install my product reviews app, Rapid Reviews, because it will help your page speed, not hurt it.
00:00 Highlights
01:49 Main Content
03:50 Why does page speed matter?
10:09 Overview
10:49 Google PageSpeed Insights breakdown (score of 2/100)
11:36 5.7 seconds of blocking time
14:39 17 seconds of script evaluation
16:21 Chrome Inspector
18:29 jQuery — 3 versions loaded on same page!
21:27 Fonts — 11 fonts loaded!
23:50 Yotpo — 190K of data with 20 requests
24:25 Product Reviews — Rapid Reviews (13K) vs Yotpo (190K)
27:35 Console and Waterfall
28:14 Third-party scripts can be a nightmare
31:11 Blocking script tags can be a page speed disaster
35:25 Network latency is a huge concern
38:06 Images should be resized, not served raw
44:16 Too much javascript loaded (2MB)
46:37 Injected scripts from Shopify apps — asyncLoad()