Look straight up and down in the intended viewer, where equirectangular stretching is most visible. Watch for pinched geometry, duplicated objects and unexpected text. Compare with the flat source and note whether the distortion matters at the actual viewing angle. If the poles are distracting, revise the composition or keep important details away from the extreme top and bottom. This is a proposed visual review, not a claim that any output has been tested.
A practical checklist for planning, inspecting and handing off panoramic backgrounds. I am associated with Skybox Generator, and AI assisted these notes. New accounts receive eight welcome credits for 14 days; additional generation is paid. The separate panorama viewer can preview existing images without credits. Generated scenes need human review and appropriate source rights.