A page is too old to compete without a rewrite when its foundation is outdated, the information is stale or wrong, the structure or intent no longer matches the current SERP, or competitors have moved so far past it that a light refresh cannot close the gap. When only the details are dated but the bones are right, an update is enough. The pivot is foundation outdated, which calls for a rewrite, versus details dated, which calls for an update. Age alone decides nothing; what matters is whether the page’s core is still sound.
A rewrite is warranted when the problem reaches the structure of the page. If the page answers a question the way searchers no longer ask it, if the format that ranks today is different from what the page is, if its core claims are now incorrect rather than merely out of date, or if the best competing pages have raised the bar to a level a patch cannot reach, then you are not fixing a page, you are repairing a foundation. Editing around a broken foundation just produces a slightly less broken old page that still loses.
An update is the right call when the page’s structure, intent, and core substance still hold and only surface facts have aged, a price, a statistic, a step that changed, a screenshot, a year. Here the page is fundamentally still the right answer, and refreshing the dated specifics restores its competitiveness without rebuilding it. Treating every old page as a rewrite wastes effort, and treating every old page as a date change leaves broken foundations in place; both poles misjudge the work.
For your next aging page, diagnose the foundation before you touch the details. Ask whether the structure, intent, and core claims still match what the SERP rewards: if they do, update the dated specifics and move on, and if they do not, commit to a real rewrite. Let the state of the foundation, not the page’s age, decide which job you are doing.