The stacked graph shows exit fractions by operators correctly implementing the non-spoofable relay ContactInfo url field.
The graph does not say anything about the trustworthiness of shown operators.
The graph allows a few interactions in addition to hovering over the area to show the fractions. You can
- select/deselect an operator by clicking on the domain name in the legend
- limit the graph to a specific operator by double-clicking on the domain name in the legend
- choose a specific time range by drawing a horizontal line
- zoom to a specific area by drawing a rectangle around the area of interest