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Most of the content referenced by AI is within a year, should old articles be rewritten?

📅 2026-11-01 👁️ 0

The content referenced by AI is mostly not more than one year old, this observation itself is no mistake, but it does not lead to the conclusion that 'old articles must be rewritten'. The two perspectives reviewed that day: About 65% of the content in AI abstracts is from the past year; another study covering seven AI search platforms and about 17 million references found that the referenced content as a whole is 25.7% newer than the natural results. These two numbers show that freshness has an impact, but they do not explain whether the impact comes from 'old articles' or 'expired judgments in the content' - what really determines the action is the latter.

First, distinguish the three types of content that are afraid of being old.

The fear of the old is judgment, not words. Conclusions with time limits (policies, prices, versions, statistical criteria), descriptions dependent on tools and processes, and content with data as the main subject, these three types will be noticed by readers and models at the same time. On the other hand, explanations of basic concepts, methods and principles, and instructions for operations, the writing from two years ago still holds true today, and rewriting is just to overturn the accumulated entry stability.

The standard for judgment can be written in one sentence: If you cover up all the years in the text, does this conclusion still stand? If it does, keep it; if not, update it.

Three types of handling: rewriting, supplementing data, and delisting.

Rewriting is only used in two situations: when the topic no longer exists, or when the original structure does not match the new way of asking questions. Most old articles need data supplementation and structural changes - replacing expired data with current figures while retaining the source and time, and changing long paragraphs into small titles with self-contained sections. The observation that 'adding data to the content can increase the visibility ratio' refers to data supplementation rather than rewriting.

Out of stock is used for truly obsolete content. The internal handling is not physical deletion, deleting formal documents is to move them to the recycling bin, you can take them down first and confirm, to avoid accidental deletion and still be able to recover the draft; articles half done should be left in draft status, those that need to be released at a uniform pace should be scheduled for release or timed release, do not let half-finished products meet customers directly.

Maintaining existing entry points is more important than making new ones.

The value of old articles is largely in the entry points: they are still being cited externally, and search engines are still ranking them. Therefore, batch processing should be done in accordance with this order.

Do not change the text address, the risk is the lowest. When it is necessary to change the address, use 301 redirect to connect the old address to the new location, do not leave an empty page; the redirect relationship must be recorded, otherwise, during the next round of maintenance, no one will know which one points to which one. For unified口径 batch modifications, go through the site-wide replacement, batch replace keywords or links, which is more labor-saving than editing each article, but the scope should be limited to the categories that need to be processed, and check after modification. First check the keyword library for the carrying relationship of the core words, confirm which page answers this word now, and avoid new articles and old articles competing with each other.

How to schedule it

Processed monthly, a fixed batch each month: priority to time-sensitive content, followed by evergreen content that matches questions but is incomplete, and finally, discarded content. After each batch is processed, leave a record - what section was changed, based on which external standard, and whether the address was changed. Look back at the changes in citations and brand search three months later, which is easier to judge than a complete overhaul of the entire site at once.

Common questions

Should old articles be unified to change the publication time to appear new?No. Changing the time without changing the content is an invalid operation, both readers and models will judge according to the content itself.

Is the evergreen content not to be touched at all?To proofread the expression and internal link, but it is not necessary to rewrite the structure; rewriting will destroy the paragraph that has already been accepted.

Why not delete the invalid content directly?There is room for recovery when moving to the recycle bin, confirm it is correct before clearing, to avoid mistakenly deleting in bulk processing.

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