Corrections policy

A visible correction is better than a silent change to a claim.

Reviewed 2026-09-07

How an error is handled

When an error affects a result or recommendation, pause the affected function or recommendation, reproduce the issue and verify the correction. Publish an explanation when a material change alters the original guidance.

Review dates mean review

Do not renew a source review date because a scheduled job ran. Rechecking a URL’s availability does not confirm the accuracy of its measurements or conclusions.

Correction channel

Report an error to thoopring@gmail.com (read by the operator, MinSoo Kim) with the page, your inputs and the result you expected. Confirmed corrections are listed here with the date and what changed.

Corrections log

No corrections have been published yet.

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