🧟 SEO Zombie Slayer

Gamified, comprehensive SEO auditing — because fixing your site should feel like winning.

Transform your website audit into an epic battle. Find broken links, performance zombies, security gaps, and SEO issues across your site and your competitors — all wrapped in an interactive game with XP, achievements, and boss battles.

---

What Does It Do?

• Crawls your website and analyzes every page for SEO issues
• Detects 20+ zombie types — broken links, thin content, missing tags, JS rendering issues, and more
• Runs Google Lighthouse — Performance, Accessibility, SEO, and Best Practices scores
• Checks Core Web Vitals — LCP, CLS, FID, INP, TTFB measured directly in the browser
• Audits security headers — HSTS, CSP, X-Frame-Options, and more
• Validates SSL certificates — expiry warnings, protocol version, issuer chain
• Resurrects broken links — searches the Wayback Machine for cached alternatives
• Competitive analysis — compare up to 5 sites side by side with radar charts
• Generates interactive HTML reports — Slayer's Bounty score, radar charts, fix roadmap, weapons arsenal
• Full game mode — XP system, level-ups, achievements, and boss battles

---

Quick Start

Apify Console

1. Open the Apify Console
2. Create a task from this Actor
3. Fill in Website URL
4. Click Start

API

import { ApifyClient } from 'apify-client';

const client = new ApifyClient({ token: 'YOUR_API_TOKEN' });

const run = await client.actor('YOUR_ACTOR_ID').call({
    websiteUrl: 'https://example.com',
    maxPages: 50,
    analysisMode: 'full_audit',
    enableLighthouse: true,
    enableSecurityAudit: true,
    enableSSLCheck: true,
    enableGameMode: true,
    googlePSIApiKey: 'YOUR_FREE_KEY'  // Highly recommended
});

const { items } = await client.dataset(run.defaultDatasetId).listItems();
console.log(items);

CLI

$apify call YOUR_ACTOR_ID --input '{"websiteUrl":"https://example.com"}'

---

Input Configuration

Required

Field	Type	Description
websiteUrl	String	Your main website URL (must start with https://)

Crawl Settings

Field	Type	Default	Description
maxPages	Integer	50	Pages to crawl per site (1–1000)
maxDepth	Integer	3	How deep to follow links (1–5)
analysisMode	String	full_audit	full_audit, zombie_hunt, link_resurrector, competitive
startUrls	Array	[]	Competitor URLs for comparison

Feature Toggles

Field	Type	Default	Description
enableLighthouse	Boolean	true	Google PageSpeed scores
enableCoreWebVitals	Boolean	true	LCP, CLS, FID, INP, TTFB
enableStructuredData	Boolean	true	Schema.org, Open Graph, Twitter Cards
enableSecurityAudit	Boolean	true	Security headers audit
enableSSLCheck	Boolean	true	SSL certificate validation
checkExternalLinks	Boolean	true	Test all outbound links
includeWayback	Boolean	true	Wayback Machine rescue for broken links
generateHtmlReport	Boolean	true	Interactive visual report
enableGameMode	Boolean	true	XP, levels, achievements, boss battles

Advanced

Field	Type	Default	Description
difficultyLevel	String	normal	See Difficulty Levels below
googlePSIApiKey	String	null	🔑 Secret field — get free key below
webhookUrl	String	null	POST notification on scan completion

---

Difficulty Levels

Level	XP Multiplier	Detection Sensitivity	Pages Multiplier
😊 Easy	0.5x	0.7x	0.5x
🎮 Normal	1.0x	1.0x	1.0x
😈 Hard	1.5x	1.3x	1.5x
💀 Nightmare	2.0x	1.5x	2.0x
🔥 Hell	3.0x	2.0x	3.0x

---

Zombie Types Detected

Critical (Severity 70–95)

Zombie	Severity	Category	Fix
💀 Hard 404 Zombie	95	links	301 redirect to best matching page
⚰️ Gone 410 Zombie	90	links	Remove all internal links or redirect
🌀 Redirect Loop Zombie	90	links	Break circular redirect chains
🔥 DNS Failure Zombie	88	links	Remove link or update to working domain
🚫 NoIndex Zombie	85	seo	Remove noindex meta tag if unintended
🔗 Canonical Chain Zombie	80	seo	Point canonical to self or consolidate pages
🔒 SSL Error Zombie	75	security	Fix SSL certificate or remove HTTP resources
💔 Broken Internal Link Zombie	70	links	Update or remove broken internal link
⚡ Performance Ghoul (Lighthouse)	70	performance	Lighthouse performance score below 50

High Priority (Severity 50–69)

Zombie	Severity	Category	Fix
👻 Soft 404 Zombie	72	content	Return proper 404 status or add content
🤖 JavaScript Zombie	68	technical	Add server-side rendering or prerendering
🕶️ Blind Banshee (Lighthouse SEO)	65	seo	Lighthouse SEO score below 80
🐌 Slow Zombie	65	performance	Optimize images, defer JS, enable CDN
⏱️ Timeout Zombie	60	performance	Optimize server response time
📱 Mobile Zombie	60	mobile	Add viewport meta tag
♿ Wall-E Zombie (Lighthouse A11y)	60	accessibility	Lighthouse accessibility below 70
📝 No Title Zombie	55	seo	Add unique 50–60 char title tag
📄 Thin Content Zombie	58	content	Add valuable content or consolidate pages
♿ Accessibility Zombie	52	accessibility	Add alt text to all images
🎯 No H1 Zombie	50	seo	Add clear, keyword-rich H1

Medium / Low Priority (Severity 38–48)

Zombie	Severity	Category	Fix
🖼️ Broken Image Zombie	48	media	Fix image URLs or remove broken images
🔓 Mixed Content Zombie	45	security	Update all resources to HTTPS
📊 Schema Zombie	45	seo	Add Schema.org JSON-LD
👯 Duplicate Content Zombie	42	content	Consolidate or canonicalize
👻 Orphan Page Zombie	40	architecture	Add internal links from relevant pages
📋 Missing Meta Zombie	38	seo	Add compelling 150–160 char description

---

Boss Battles

Boss zombies appear automatically when you find enough of their type:

Boss	Trigger	XP Reward
🐉 Redirect Hydra	3+ redirect loops found	2,000 XP
👻 Content Phantom	10+ thin content pages	1,500 XP
😈 Performance Demon	5+ slow-loading pages	1,800 XP

---

Game Mode

Level System

Level Range	Rank Title
1–4	🌱 Novice Slayer
5–9	🎯 Skilled Slayer
10–19	⚔️ Veteran Slayer
20–29	🔥 Elite Slayer
30–39	💎 Expert Slayer
40–49	⭐ Master Slayer
50+	🏆 Legendary Slayer

Achievements

Achievement	Requirement	XP
🩸 First Blood	Kill your first zombie	100
😈 No Mercy	Kill 50 zombies	900
🏆 Zombie Slayer	Kill 100 zombies	750
💀 Critical Hit Master	25 critical kills	600
🔄 Resurrector	10 Wayback rescues	800
🔥 Combo King	20x combo	500
⚡ Speed Demon	Complete scan in <60s	500
👑 Boss Killer	Defeat a boss	1,500
💎 Perfectionist	Score below 10	1,000
🥇 League Champion	Rank #1 in competitive	2,000

---

Output Data

Dataset Record Types

Records are separated by dataType field for easy filtering:

dataType	Description
site_result	Full analysis per site
zombie	Individual zombie detected
lighthouse	Lighthouse scores
core_web_vitals	CWV measurements
security_audit	Security headers report
ssl_check	SSL certificate details
boss	Boss battle result
summary	Overall run summary

Example Site Result

{
  "dataType": "site_result",
  "site": "https://example.com",
  "zombie_score": 37,
  "rating": "🟡 Needs Attention",
  "stats": {
    "pages_crawled": 45,
    "total_zombies": 12,
    "critical_zombies": 2
  },
  "category_breakdown": {
    "seo":          { "score": 78, "count": 3 },
    "performance":  { "score": 92, "count": 1 },
    "security":     { "score": 100, "count": 0 },
    "links":        { "score": 82, "count": 4 },
    "content":      { "score": 88, "count": 2 },
    "accessibility":{ "score": 85, "count": 2 },
    "mobile":       { "score": 100, "count": 0 },
    "technical":    { "score": 95, "count": 0 }
  },
  "lighthouse": {
    "mobile":   { "scores": { "performance": 85, "seo": 95, "accessibility": 92 } },
    "desktop":  { "scores": { "performance": 92, "seo": 97, "accessibility": 95 } }
  },
  "sslCertificate": { "grade": "A+", "daysUntilExpiry": 217 },
  "securityAudit":  { "grade": "B", "score": 72 }
}

HTML Report

The interactive report is saved to Key-Value Store as REPORT:

const reportUrl = `https://api.apify.com/v2/key-value-stores/${run.defaultKeyValueStoreId}/records/REPORT`;

The report includes:

• Competitive rankings with score explanations
• 💰 Slayer's Bounty (potential traffic gain estimate)
• ⚔️ Weapons Arsenal (Lighthouse opportunities translated to plain-English fixes)
• Radar chart comparing sites across all 8 categories
• Security and SSL summaries
• Fix roadmap sorted by priority
• Whack-A-Zombie mini-game

---

Common Use Cases

Pre-Launch Audit

{
  "websiteUrl": "https://staging.example.com",
  "maxPages": 100,
  "maxDepth": 5,
  "analysisMode": "full_audit",
  "difficultyLevel": "hard"
}

Competitive Analysis

{
  "websiteUrl": "https://yoursite.com",
  "startUrls": [
    { "url": "https://competitor1.com" },
    { "url": "https://competitor2.com" }
  ],
  "analysisMode": "competitive",
  "maxPages": 50
}

Broken Link Rescue

{
  "websiteUrl": "https://example.com",
  "analysisMode": "link_resurrector",
  "checkExternalLinks": true,
  "includeWayback": true,
  "maxPages": 100
}

Quick Health Check

{
  "websiteUrl": "https://example.com",
  "maxPages": 10,
  "maxDepth": 1,
  "enableLighthouse": true,
  "enableSecurityAudit": true
}

---

Google PageSpeed API Key

Without a key you are limited to 10 Lighthouse requests per day. With a free key you get 25,000 requests per day.

1. Go to Google PageSpeed Insights API
2. Enable the API and create credentials
3. Add the key to input as googlePSIApiKey (stored as a secret — never logged)

---

Webhook Notification

{
  "websiteUrl": "https://example.com",
  "webhookUrl": "https://your-endpoint.com/seo-results"
}

Payload sent on completion:

{
  "status": "completed",
  "sites_successful": 1,
  "total_zombies": 12,
  "average_score": 37,
  "critical_issues": 2,
  "execution_time_seconds": 145,
  "timestamp": "2026-01-28T12:00:00.000Z"
}

---

Troubleshooting

Lighthouse scores showing 0

Cause: Google PSI API rate limit (10/day without key). Fix: Add a free googlePSIApiKey.

Actor times out

Cause: Too many pages. Fix: Reduce maxPages to 50 or fewer. Set maxDepth to 2.

SSL check failing

Cause: Certificate issues or network restrictions. Fix: Set enableSSLCheck: false to skip.

No zombies found

Cause: Detection sensitivity too low. Fix: Increase difficultyLevel to hard or nightmare.

---

Performance Guide

Mode	Pages	Approx. Time	Memory
Quick check	10, depth 1	30–60s	<100MB
Standard	50, depth 3	3–5 min	100–300MB
Full audit	100+, depth 5	10–15 min	300–500MB

---

CI/CD Integration

# .github/workflows/seo-audit.yml
name: Weekly SEO Audit
on:
  schedule:
    - cron: '0 9 * * 1'
jobs:
  audit:
    runs-on: ubuntu-latest
    steps:
      - name: Run SEO Zombie Slayer
        uses: apify/apify-action@v1
        with:
          actor: YOUR_ACTOR_ID
          input: |
            {
              "websiteUrl": "https://example.com",
              "webhookUrl": "${{ secrets.WEBHOOK_URL }}"
            }

---

FAQ

How many sites can I analyze at once? Up to 5 per run. Use startUrls for competitors.

Does crawling affect my site performance? No — default concurrency is 2 requests/second and it respects robots.txt.

Can I schedule audits? Yes — use Apify Schedules or CI/CD integration above.

Is my API key safe? Yes — googlePSIApiKey is marked as a secret field and never appears in logs or outputs.

What about JavaScript-heavy sites? Fully supported — the crawler uses Playwright with complete JS rendering.

---

License

Apache License 2.0

---

🙏 Credits

Built with:

• Apify SDK
• Playwright
• Crawlee
• Chart.js

Special thanks to the Apify team and community!