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SEO Content Decay Detector — Claude Skill (Last Touched Audit)
Stop losing rankings to outdated content you didn’t even realize was slipping.
The SEO Content Decay Detector is a diagnostic Claude skill designed to uncover one of the most overlooked causes of traffic loss: content decay. Instead of guessing why rankings are dropping, this tool audits your website and pinpoints exactly which pages are aging, underperforming, and quietly losing visibility in search.
Built for SEO professionals, agencies, and site owners who manage growing content libraries, this skill transforms scattered signals into a clear, actionable refresh strategy.
Given a website URL, the skill performs a structured audit to identify content that hasn’t been updated in months—or even years—and is at risk of losing rankings.
It automatically:
Discovers indexable pages via sitemap, crawl paths, or site structure
Detects “last touched” signals using multiple sources including sitemap metadata, HTTP headers, on-page timestamps, copyright dates, and historical snapshots
Classifies every page into decay tiers (Fresh, Aging, Stale, Critical) based on recency
Estimates ranking risk using page age, type, and keyword relevance
Generates a visual distribution of content freshness across your site
Builds a prioritized refresh order so you know exactly what to update first
The output is not just data—it’s a decision-making system.
Most websites don’t fail because of bad SEO—they fail because content quietly ages.
Pages that once ranked well begin to slip as competitors publish fresher, more relevant updates. Google increasingly rewards recency, especially for competitive and local-intent queries. The problem is that content decay happens gradually and invisibly.
This skill surfaces those hidden losses before they compound.
It’s especially valuable when you notice symptoms like:
Rankings slowly declining
Traffic “bleeding” without a clear cause
Older blog posts losing visibility
Service or location pages underperforming
Competitors outranking previously strong pages
Unlock the premium version of this skill.
Take the Claude AI SEO skills we use to move faster, make sharper decisions, and dominate local results: https://www.skool.com/local-seo-crushers
Here’s a long-form product description for your guide 👇
Unlock the full potential of your SEO audits by learning how to properly install, trigger, and extract maximum value from the SEO Content Decay Detector Claude Skill.
This step-by-step guide is designed to help you go beyond simply “using” the skill—and instead turn it into a repeatable system for identifying ranking losses, prioritizing updates, and recovering traffic with precision.
This isn’t just a setup tutorial. It’s a complete walkthrough of how to operationalize content decay detection inside your workflow.
You’ll learn:
How to correctly upload and configure the Claude Skill
The exact prompts that trigger the audit reliably
How to input URLs, sitemaps, and keyword data for best results
How to interpret the decay tiers (Fresh, Aging, Stale, Critical)
How to read and act on the risk scoring system
How to turn the output into a prioritized refresh roadmap
By the end, you won’t just run audits—you’ll know what to do with them.
Most users only scratch the surface of Claude Skills.
They upload the tool, run it once, and get a report—but miss the real leverage:
turning insights into consistent ranking improvements.
This guide shows you how to:
Avoid common mistakes that lead to incomplete audits
Get more accurate “last touched” signals
Prioritize high-impact pages instead of wasting time
Build a repeatable refresh system for ongoing SEO growth
After following this guide, you’ll be able to:
Run high-quality content decay audits in minutes
Identify exactly which pages are costing you traffic
Prioritize updates based on real ranking risk
Create a structured refresh workflow for clients or your own site
Confidently diagnose traffic drops caused by outdated content
SEO professionals and consultants
Agencies running audits at scale
Content marketers managing large sites
Local SEO specialists dealing with fast-moving rankings
Anyone serious about maintaining long-term organic visibility
This guide is especially valuable if you:
Notice rankings slipping without a clear reason
Haven’t updated your site in months (or years)
Manage dozens or hundreds of pages
Need a clear “what should I update first?” answer
Want to productize content audits for clients
Instead of guessing what content to update, you’ll have a clear, repeatable system:
Upload the skill correctly
Trigger the audit with the right inputs
Interpret the results with confidence
Execute updates in the right order
That’s how you stop traffic decay—and start recovering rankings efficiently.
The SEO Content Decay Detector is powerful—but only if you know how to use it properly.
This guide ensures you do.
Turn a one-time audit tool into a consistent SEO advantage.