These three remain the first installs for any professional.
Textures are killing your frame rate. This free 2023 plugin scans your model, finds 4K textures that are scaled down to 1-inch on screen, and resizes them to 512px. You won't see the difference, but your computer will thank you. Sketchup Plugins 2023
Plugin: Medeek Truss (or Medeek Wall)
Now owned by Chaos (the makers of V-Ray), Enscape remains the king of speed. The 2023 plugin update introduced BIM Mode. These three remain the first installs for any professional