Thanks for the suggestion to use JCH Optimize, which solved some but not all of the problems identified by Google Pagespeed. But we still get the report
Reduce server response time
Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.
Minify CSS for the following resources to reduce their size by 446B (11% reduction).
Minifying http://minchconstruction.com/…media/jub/assets/lib/animate/animate.css could save 446B (11% reduction) after compression.
Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 116B (17% reduction).
Half a megabyte really is too much to send as the world goes mobile. Is there a fix