Install without Composer - magehost/performance-dashboard GitHub Wiki

mkdir -p  app/code/MageHost
git  -C app/code/MageHost  clone  https://github.com/magehost/performance-dashboard  PerformanceDashboard
php bin/magento module:enable MageHost_PerformanceDashboard
php bin/magento setup:upgrade
php bin/magento setup:di:compile
php bin/magento setup:static-content:deploy --area adminhtml