The problem I'm seeing is that when I move or resize the map, it makes requests to *.tile.openstreetmap.org, but not to roadway.report/accidents_by_location_geo

The problem I'm seeing is that when I move or resize the map, it makes requests to *.tile.openstreetmap.org, but not to roadway.report/accidents_by_location_geojson. I checked with desktop Firefox and Chrome.