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My Tips:

1. Check drawcall cost and minimum runtime drawcall count
2. Try 'Apply Mesh Batch' as much as possible
3. Maximum early-z by force mesh render in correct order
4. Select right 'Blend Mode' and 'Shading Model' for material
5. Minimum texture and sampler count and texture size
6. Move linear math operation from pixel shader to vertex shader, such as use customized UV
7. Use LOD
8. Minimum postprocess count
9. Keep GPU state unchanged by minimum material count (reuse same material, same texture) etc
10. Use complex shader for important mesh and try to use simple shader for as much meh as possible
11. Reduce dynamic point count in 'Project setting' dialog
12. Try to use 'Full Roughness'
13. Too much texture sample will cost a lot of time

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