Web Performance Visualizations

New to ELK. I have started to index our company's web performance data. I'm currently using the metric visualization to show average page load time. This works but I'm looking for a better way to visualize it in comparison to the page's SLA. Is anyone familiar with any plugins that can accomplish this? Something like a thermometer or a speedometer would work well.

Any suggestions welcome.
Thanks in advance.

https://github.com/elastic/kibana/wiki/Known-Plugins has a list of community written plugins, there's one that adds colors to metrics that may be useful.

Thanks for the response. I did look through all the community plugins and nothing there does what I need. The metric color plugin would work to some degree if I could set ranges and attach colors to the ranges. That would allow me to set SLA color ranges and have the metric change to the appropriate color when it was within the respective range.