Grafana

Grafana can be used to visualize test results in a dashboard.
https://grafana.com/grafana/dashboards/11541-robot-framework-grafana-dashboard-part-1/

Images

Example with Robot Framework Testarchiver, PostgreSQL and Grafana
https://cognitiveqe.com/robot-framework-test-results-in-grafana-postgresql/

Example with Robot Framework DBbot, MySQL and Grafana
https://cognitiveqe.com/robot-framework-grafana-dashboard/

Blog post about Robot Framework, Jenkins Plugin, InfluxDB and Grafana https://www.eficode.com/blog/rf-jenkins-grafana