My Example Project - .htaccess setting to improve Webpagetest scores!

Nature of America - My Example Project Site

.htaccess file:

# default to index.html
DirectoryIndex index.html

# BEGIN Expire headers
<IfModule mod_expires.c>
  # Turn on the module.
  ExpiresActive on
  # Set the default expiry times.
  ExpiresDefault "now"
  ExpiresByType image/jpg "access plus 1 month"
  ExpiresByType image/svg+xml "access 1 month"
  ExpiresByType image/gif "access plus 1 month"
  ExpiresByType image/jpeg "access plus 1 month"
  ExpiresByType image/png "access plus 1 month"
  ExpiresByType text/css "access plus 1 month"
  ExpiresByType text/javascript "access plus 1 month"
  ExpiresByType application/javascript "access plus 1 month"
  ExpiresByType image/ico "access plus 1 month"
  ExpiresByType image/x-icon "access plus 1 month"
  ExpiresByType text/html "access plus 600 seconds"
</IfModule>
# END Expire headers

# Security Policy that determines domains that resources can load from
<IfModule mod_headers.c>
  Header set Strict-Transport-Security "max-age=2592000; includeSubDomains; preload"
  Header set Content-Security-Policy: "default-src 'self'; img-src 'self' cdn.jsdelivr.net; script-src 'self' 'unsafe-eval' code.jquery.com cdn.jsdelivr.net *.cloudflare.com; style-src 'self' *.jsdelivr.net *.cloudflare.com fonts.gstatic.com fonts.googleapis.com; font-src 'self' fonts.gstatic.com fonts.googleapis.com"
  Header set X-Frame-Options: DENY
</IfModule>

# compress (DEFLATE) files that are text
<IfModule mod_deflate.c>
  AddOutputFilterByType DEFLATE text/html text/css text/javascript application/javascript application/json
</IfModule>
Options -Indexes

# All errors will go to a common error file
ErrorDocument 404 /underconstruction.html
ErrorDocument 403 /underconstruction.html
ErrorDocument 500 /underconstruction.html

# Shouldn't publish from a git checkout anyway,
#   but just in case, sent requests trying to access .git to 404
RedirectMatch 404 /\.git