What to change
Monitor a small set of critical dependencies alongside the page itself. Ask the supplier which missing assets would prevent an important task and avoid indiscriminately treating every optional resource as an outage. Verify both retrieval and compatibility with the current release where relevant. A safe missing-asset fixture helps demonstrate the alert's purpose, giving the practice evidence that a superficially healthy page cannot conceal the specific dependency failure it needs to detect.
A worked example
Illustrative example
Illustrative test: The sample page stays available while the missing required asset produces a distinct alert.
How to check the result
The monitoring scope covers the task's essential dependencies.
A mistake to avoid
An optional marketing asset and a critical application script may warrant different priorities.
Your action checklist
Use these checks to prepare a discussion with your team or supplier. Tick a check when you have recorded the decision or evidence, rather than when a feature has simply been promised.
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Further reading
These primary sources provide additional context for the project decisions above.
Related decisions
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