Uptime

• https://matomo.org/faq/how-to/faq_20278/

Performance

Frontend

• https://matomo.org/blog/2017/04/important-performance-optimizations-load-piwik-javascript-tracker-faster/
• https://matomo.org/blog/2017/04/different-ways-embedding-piwik-tracking-code-faster-website-performance/

Preload DNS

<link rel="dns-prefetch" href="//whitespace.matomo.cloud" />

Matomo

• https://matomo.org/faq/how-to/faq_24574/
• https://github.com/CodeAtCode/Prometheus-Metrics-in-WordPress
• https://github.com/CodeAtCode/WPDB-Status

Database

• https://matomo.org/faq/how-to/faq_161/

Server

• https://prometheus.io/
• https://prometheus.io/docs/practices/histograms/
• https://medium.com/devops-dudes/prometheus-alerting-with-alertmanager-e1bbba8e6a8e