I am doing a test on the load of a geojson and I come some problems.
Loading time is aprox 5 second in cesium and my geojson is 13MB (It is not very big).If I compare it with other libraries such as openlayers, the loading time is 1 second, obiusly I think that Cesium need make other calculations related to terrain etc etc.
I have tried Cesium Ion but it is not a 3d model and it does not improve the load.
My question is whether there is a strategy for loading the data more faster. Using another format, creating your own class?using Ion?