The website uses graceful degradation to stay online during server errors.
graceful degradation
idiomThe ability of a system to maintain at least some of its functionality when portions are not working, or when certain features are not available.
Our software is designed for graceful degradation, so users can still read files even if the editing tools fail.
By prioritizing graceful degradation, the engineers ensured that the navigation system remained partially functional even after the primary satellite link suffered a critical failure.