Sketchup is slow and laggy to the point of being unusable. Just me?

I used the free version of Sketchup Web about a year ago and it worked fine. Now I am returning to it (same computer) and it is very very slow and laggy. I can’t even smoothly pan or zoom around the workspace.

This is the case even with models with very little geometry
If I start a new project with an empty workspace, the panning and camera movement is less sluggish than on an existing project, but still quite laggy to the point of being unuseable.

Any ideas for things to try?

Hi! I have the same problem, also using it on a mac. I have a pro version.

another browser ?

what are you using right now, safari ? chrome ? firefox ? opera ?

some are more stable than others