async change
img thumbnails update

Conversion to WebP format.
Created local thumbnails.
media print update
trying minified css
inlining head css
Trying inlining font-face in css
webp update
Attempting preload of images
Installed Grunt and cssmin plugin

Used grunt to minify *.js and *.css files. Updated index.html to use the
minified versions.
Going back to unminified
Index.html using min.css
Documentation update
readme update
pizza images resized and webp conversion

Repeated code consolidated in main.js
fps function added

changed the awkward ms timing scheme to an FPS approximation.
testing timing of png
Moved size determination out of loop.

Unnecessary repeated calls to a function returning the same value
Pulled a repeated calculation out of for loop.
Reduce pizza redraw to onscreen

Only move onscreen pizzas plus a couple rows.
Break when last visible pizza updates