Seo monitor
SEO monitoring and alerting system. Tracks ranking fluctuations, competitor activity, technical health, content performance, and AI search visibility. Generates alerts at configurable thresholds. Use when user says "monitor", "alert", "watch", "track changes", "SEO dashboard", "weekly digest".From its SKILL.md
npx -y skills add 01clauding/claude-seo-skill --skill seo-monitorAssembled from the repository path, not quoted from the project. Check it against their README if it does not work.
2 things to look at
- 4 stars4 stars. Stars are a popularity signal and not a quality one, but at this level it is likely that nobody has read this closely except its author, and you would be relying on your own review.
- fetches URLsInstructs the agent to fetch 1 URL, including https://status.search.google.com/.
SKILL.md
7.0 KB, ~1.6k tokens by cl100k_base, as published. Nobody here has run it
seo-monitor — SEO Monitoring & Alert System
Ranking Fluctuation Monitoring
Detection Rules
| Trigger | Severity | Action |
|---|---|---|
| Single keyword ≥5 position drop | 🟡 Medium | Investigate page changes |
| 3+ keywords drop simultaneously | 🟠 High | Check for algorithm update |
| Core keyword exits top 10 | 🟠 High | Priority optimization within 24h |
| Core keyword exits top 20 | 🟡 Medium | Content refresh + link building |
| 10+ keywords improve simultaneously | 🟢 Info | Document what worked |
Monitoring Frequency Guide
| Keyword Type | Check Frequency | Alert Threshold |
|---|---|---|
| Brand terms | Daily | Any drop from #1 |
| Core commercial | Every 3 days | ≥3 position change |
| Long-tail targets | Weekly | ≥5 position change |
| New content tracking | Daily for 30 days | Not indexed after 7 days |
Google Update Correlation
When volatility spikes:
- Check Google Search Status Dashboard
- Cross-reference with industry volatility tools (SEMrush Sensor, Moz MozCast)
- Identify pattern: site-wide vs topical vs page-level
- If confirmed update: document affected pages, defer changes 2-4 weeks until stable
Competitor Activity Monitoring
Content Monitoring
- New page detection: Compare competitor sitemap weekly, flag new URLs
- Content updates: Track last-modified dates on competing pages
- Topic expansion: Detect when competitors enter new topic areas
- Publishing velocity: Track competitor content output rate
Ranking Monitoring
- Position changes: Track competitor positions on your target keywords
- New keyword entries: Detect when competitors rank for keywords they previously didn't
- SERP feature captures: Monitor when competitors gain/lose featured snippets, PAA
Technical Monitoring
- Speed changes: Detect CWV improvements/degradation
- Schema additions: New structured data types deployed
- Site structure changes: New sections, navigation changes, URL restructures
Backlink Monitoring
- New links: Weekly check for competitor's newly acquired backlinks
- Lost links: Opportunities when competitors lose high-quality links
- Link velocity comparison: Your growth rate vs competitors
Technical Health Monitoring
Index Coverage Tracking
| Signal | Threshold | Severity |
|---|---|---|
| Indexed pages drop >10% weekly | 🟠 High | Check robots.txt, noindex, server errors |
| Indexed pages drop >20% | 🔴 Critical | Immediate investigation |
| "Excluded" pages increase >20% | 🟡 Medium | Review exclusion reasons |
| New crawl errors spike | 🟠 High | Fix 5xx, check redirects |
CWV Degradation Detection
| Metric | Warning | Critical |
|---|---|---|
| LCP | >2.5s (was passing) | >4.0s |
| INP | >200ms (was passing) | >500ms |
| CLS | >0.1 (was passing) | >0.25 |
Trigger re-audit via seo-performance when any CWV degrades from "good" to "needs improvement".
Security Monitoring
- Manual action notifications (GSC)
- Malware injection detection (unexpected scripts, iframes)
- SEO spam injection (hidden text, cloaked links, Japanese keyword hack)
- SSL certificate expiration warnings (30/14/7 day alerts)
Content Performance Monitoring
New Content Tracking (Post-Publish)
| Milestone | Check | Expected | Alert If |
|---|---|---|---|
| Day 1-3 | Indexed in GSC | Yes | Not indexed after 3 days |
| Day 7 | Initial ranking | Top 50 | Not ranking at all |
| Day 14 | Ranking movement | Climbing | Stuck or declining |
| Day 30 | Stable position | Top 20 | Outside top 50 |
| Day 60 | Target achieved | Top 10 | Stagnant outside top 20 |
Content Decay Detection
- Traffic decline: Organic sessions drop ≥20% for 3 consecutive weeks
- Ranking erosion: Position drops ≥5 from peak
- CTR decline: Click-through rate drops ≥30% from historical average
Decay Response Protocol
- Check if search intent shifted (SERP comparison)
- Evaluate if competitors published superior content
- Check for technical issues (speed, mobile, broken elements)
- Determine refresh strategy: update stats, add sections, restructure, or rewrite
Top Content Protection
- Identify top 20 pages by organic traffic
- Set tighter monitoring thresholds (any ranking drop ≥2)
- Schedule proactive refreshes before decay (quarterly for evergreen, monthly for trending)
AI Search Visibility Monitoring
AI Overviews Tracking
- Monitor target queries for AI Overview presence/absence
- Track whether your content is cited in AI Overviews
- Detect when competitors gain/lose AI citations
- Measure citation share: your citations / total AI Overview appearances
Brand Mention Monitoring in AI
- Test brand queries across ChatGPT, Perplexity, Gemini
- Track recommendation frequency and sentiment
- Monitor competitor mention frequency for comparison
Alert Severity Levels
| Level | Icon | Trigger Examples | Response Time |
|---|---|---|---|
| Critical | 🔴 | Index drop >20%, manual penalty, security breach | Immediate |
| High | 🟠 | Core keyword out of top 10, all CWV failing, major competitor move | 24 hours |
| Medium | 🟡 | Single keyword ≥5 drop, content decay start, new competitor entry | 1 week |
| Info | 🟢 | Competitor new backlink, new page indexed, minor fluctuation | Weekly review |
Monitoring Dashboard Template
Daily View
- Ranking changes (up/down count)
- New crawl errors
- CWV status (pass/fail)
- Alert queue
Weekly View
- Ranking trend chart (7-day rolling)
- Competitor activity summary
- Content performance table
- Technical health score
- Action items generated
Monthly View
- KPI trends (traffic, rankings, backlinks, DR)
- Competitor market share shifts
- Content ROI tracking
- Strategy effectiveness review
Integration Points
Cross-reference with other skills:
seo-rank-tracker— Detailed position data and SOV calculationsseo-data-tools— GSC/GA4/CrUX data extractionseo-backlinks— Link monitoring dataseo-report— Digest and report generation from monitoring dataseo-performance— CWV measurement when degradation detected
Output Format
Generate monitoring report with:
- Alert Summary (critical/high/medium/info counts)
- Ranking Changes (top movers up and down)
- Competitor Activity (new content, ranking changes, backlinks)
- Technical Health (index coverage, CWV, errors)
- Content Performance (new content tracking, decay alerts)
- AI Visibility (citation changes, brand mention trends)
- Action Items (prioritized by severity and impact)
What ships with it
Read from the repository
Just SKILL.md. No reference files, no scripts.
Gives 0 of the 12 instructions most marketing audience skills give in ~1.6k tokens
Counted across 690 of the 894 authors here whose files we hold, read 2026-08-07
- Apply Poppins font to headingsin 41 of 690, across 6 files
- Apply Lora font to body textin 41 of 690, across 6 files
- Use Arial fallback for headingsin 39 of 690, across 4 files
- Use Georgia fallback for body textin 39 of 690, across 4 files
- Maintain text hierarchy and formattingin 39 of 690, across 4 files
- Use accent colors for non-text shapesin 38 of 690, across 3 files
- Use RGB values for precise color matchingin 38 of 690, across 3 files
- Use brand colors for primary text and backgroundsin 36 of 690, across 1 file
- Read product marketing context file before asking questions, starting, or auditingin 35 of 690, across 23 files
- Use active voice instead of passive voicein 26 of 690, across 10 files
- Implement or generate appropriate JSON-LD structured datain 24 of 690, across 17 files
- Prioritize clarity over clevernessin 22 of 690, across 8 files
Said here and by no other author read
- investigate page changes on keyword drops
- check for algorithm updates on simultaneous drops
- check google search status dashboard during volatility
- cross-reference industry volatility tools
- defer changes until update stabilizes
- trigger re-audit when cwv degrades
Grouped from the skills themselves: near-identical wordings counted once, and counted by distinct author, so one author publishing three of these counts once. Length counted with cl100k_base; the agent that loads this file may tokenize it differently.