My! This is slow.  More will follow!

Benchmarks

Using Google Page Insights,

Page Speed at Time 1

I have two speed benchmarks.

Mobile: 67

Desktop: 85

Page Speed benchmarks from a small WP site

My main page (that is not responsive) using a WP theme written by myself has comparative figures of 91 and 96.

Page Speed  benchmarks from a large Drupal Site (university)

Mobile: 52 & Desktop: 65

Page Speed benchmarks from another university site (CMS unknown)

Mobile: & Desktop: 72 & 74

Tests

Remove unneeded plugins and themes; changed themes

Marginal improvement

Mobile: 68

Desktop: 85

Found a theme with following speeds

Mobile: 79

Desktop: 86