Content decay is the slow loss of search traffic, clicks or rankings from a page that used to perform. It happens when the page goes out of date, competitors publish better answers, or search results change. You find it by comparing two periods in Search Console, then update, merge or retire the page.
What is content decay?
Content decay describes a page whose traffic falls over months without any single dramatic cause. It is not a penalty and it is not a bug. A page that earned 200 clicks a month last year and earns 80 now has decayed.
It is worth a name because it is easy to miss. New posts get attention when they publish. Old posts sit quietly while their numbers drift down, and nobody looks until a quarterly report makes the drop obvious.
What causes content decay?
Pages lose traffic for a handful of reasons. Knowing which one applies tells you the fix, so diagnose before you rewrite.
- The facts went stale. A tool changed its name, a rule was updated or a screenshot no longer matches. Google's guidance for informational pages says the content should be factually accurate.
- Better pages appeared. A competitor published a clearer, more complete answer and took your position.
- Search intent shifted. The results used to favor guides and now favor tools or short answers. Our guide to search intent shows how to check what a results page rewards.
- The results page changed. An answer box or AI summary now sits above the links, so fewer people click even if your rank is the same. Our post on zero-click search covers that case.
- Your own pages compete. A newer post on the same question split the traffic. This is keyword cannibalization.
- The topic faded. Interest in the subject fell. No edit fixes that.
- Technical problems. A broken template, a stray noindex tag or a redirect error removed the page from results.
How do you find decaying content?
You need nothing beyond Google Search Console, which is free.
- Open the Performance report. Google's help page explains that selecting the Pages tab groups the data by URL, and that clicks and impressions are the metrics you can toggle on the chart.
- Set the date range to the last three months and compare it with the same three months a year earlier. Comparing with the same season avoids mistaking a seasonal dip for decay.
- Sort the pages by change in clicks, largest drop first.
- For the top ten, note impressions as well as clicks. If impressions held and clicks fell, the page lost its position in the listing or a result feature took clicks. If impressions fell too, the page lost rankings or the topic lost demand.
Write the result down in a simple sheet: URL, clicks then, clicks now, impressions then, impressions now, and your best guess at the cause. A content audit uses the same list for the whole site if you want a fuller review.
What should you do about a decaying page?
Match the action to the cause.
| Cause | Action |
|---|---|
| Stale facts | Update the facts, steps and screenshots, then change the date |
| Outranked by better pages | Read the pages above you and add what they answer that you do not |
| Intent shifted | Rework the page to the format the results now reward, or write a new page |
| Cannibalization | Merge the two posts and redirect the weaker URL |
| Fewer clicks, same rank | Rewrite the title and description, and put a direct answer first |
| Topic faded | Leave it, or retire it if it has no value left |
| Technical fault | Fix the fault first, then wait and recheck |
The steps for an update are in our guide on refreshing old posts without hurting SEO. The short version: keep the URL, improve the content, and do not rewrite a page that is still working.
Is changing the date enough?
No. Google's helpful content guidance lists "are you changing the date of pages to make them seem fresh when the content has not substantially changed?" as a warning sign. Change the date only when the page changed in a way a reader would notice. A new date on the same text gives readers a reason to distrust it and gives Google nothing new to rank.
How can you slow decay before it starts?
- Write for questions that stay true. Pages about stable concepts decay slower than pages about a tool version. See what evergreen content is.
- Put a review month in your calendar for your ten most valuable pages, rather than waiting for a drop.
- Name the thing that goes stale. When you publish a post that mentions a price, a limit or a version, note it so the next reviewer knows what to check.
- Avoid duplicate posts. Check existing pages before writing a new one on the same question.
Frequently Asked Questions
How do I know if a page has content decay or just a seasonal dip?
Compare the same months across two years. If traffic is down against the same season last year, it is decay. If it matches last year's pattern, it is seasonal.
How often should I check for content decay?
A quarterly look at the Pages tab in Search Console is enough for most small sites. Check sooner after a Google update or a site migration.
Does updating a post always fix a traffic drop?
No. An update helps when the cause is stale or thin content. It does little if the topic lost demand, a result feature took the clicks, or a technical fault removed the page.
Should I delete decayed posts?
Only when a post has no traffic, no links and no use to readers. Otherwise update it, or merge it into a stronger page and redirect the old URL.
Is content decay the same as a Google penalty?
No. A penalty is a deliberate action against a site. Decay is a gradual loss that comes from the page itself or the results around it.