Ever switched rendering modes (wireframe → textured → lit) and seen a flash of corrupted normals or magenta pixels? That’s the GPU holding onto old shader state. Cycling mode forces the pipeline to re-evaluate.
Search engine crawlers, such as Googlebot, continuously scan the public internet to index webpages. If an organization hooks an IP camera directly to a public network cable without a firewall or password requirement, crawlers will index the camera's internal user interface. viewerframe mode refresh full