Yireo Theme optimizations

General changes

• See https://github.com/yireo-training/magento2-example-jquery-upgrade
• Upgrade underscore to 1.10.2

RequireJS configuration requirejs-config.js

• Skip datepicker and color-picker in Knockout bindings
• Remove calendar.js
• Remove jQuery Migrate

File Magento_Theme/layout/default.xml

• Remove unneeded calendar.css and gallery.css
• Remove yotpo_widget_script block

Other tips

• Disable CAPTCHA via Stores > Configuration > Customer Configuration
  • magerun2 config:set customer/captcha/enable 0

Benchmark

http://m2.sirius.yr/men/tops-men/jackets-men.html

• Luma theme
  • 206 requests
    • 163 JavaScript
  • 929Kb transferred
    • 657Kb JavaScript
  • 3.0MB resources
    • 2.2Mb JavaScript
  • Finish 3.11s
  • DOMContentLoaded: 1.08s
  • Load: 1.96s
• Yireo theme
  • 200 requests
    • 156 JavaScript
  • 867Kb transferred
    • 631Kb JavaScript
  • 3.2MB resources
    • 2.1Mb JavaScript
  • Finish 3.10s
  • DOMContentLoaded: 1.07s
  • Load: 1.89s

TODO

• See https://medium.com/@jahvi/how-to-improve-magento-2-page-speed-insights-score-bb37e8946192