GET/v1/analyze

Comprehensive URL analysis including quality score, tech stack detection, and performance metrics.

Query Parameters

Name	Type	Required	Default	Description
`url`	`string`		-	The URL to analyze

What Gets Analyzed

🎯 Quality Score

Overall score (0-100), SEO score, and social readiness check

🛠️ Tech Stack

Detected technologies, frameworks, CMS, and analytics tools

⚡ Performance

Response time, page size, scripts/styles/images count

📊 Categories

Technologies grouped by category (frameworks, CMS, analytics, etc.)

Request Example

curl "https://api.katsau.com/v1/analyze?url=https://vercel.com" \
  -H "Authorization: Bearer ks_live_your_api_key"

Response

{
  "success": true,
  "data": {
    "url": "https://vercel.com",
    
    "quality_score": {
      "overall": 95,
      "seo_score": 90,
      "social_ready": true
    },
    
    "technologies": [
      { "name": "Next.js", "category": "Web frameworks", "confidence": 100 },
      { "name": "React", "category": "JavaScript frameworks", "confidence": 100 },
      { "name": "Vercel", "category": "Hosting", "confidence": 100 },
      { "name": "Tailwind CSS", "category": "UI frameworks", "confidence": 85 },
      { "name": "Google Analytics", "category": "Analytics", "confidence": 75 }
    ],
    
    "performance": {
      "response_time_ms": 234,
      "page_size_kb": 156,
      "scripts_count": 12,
      "styles_count": 3,
      "images_count": 8
    },
    
    "categories": {
      "Web frameworks": ["Next.js"],
      "JavaScript frameworks": ["React"],
      "Hosting": ["Vercel"],
      "UI frameworks": ["Tailwind CSS"],
      "Analytics": ["Google Analytics"]
    }
  },
  "meta": {
    "request_id": "req_abc123xyz"
  }
}

Quality Score Breakdown

The overall quality score is calculated based on the presence and quality of various meta tags:

Check	Points
Base score	50
`og:image` present	+15
`og:title` present	+10
`og:description` present	+10
`twitter:card` present	+5
Favicon present	+5
Canonical URL present	+5
Maximum	100

Detected Technologies

The API can detect the following technologies and more:

JavaScript Frameworks

ReactVue.jsAngular

Web Frameworks

Next.jsNuxt.js

CMS

WordPress

E-commerce

Shopify

UI Frameworks

Tailwind CSSBootstrap

Analytics

Google AnalyticsGTM

CDN/Hosting

CloudflareVercel

Website Builders

Webflow

Use Cases

•Competitive Analysis: Understand what technologies competitors use
•SEO Audits: Check the quality of meta tags and social sharing
•Performance Monitoring: Track page size and resource counts
•Lead Generation: Identify potential customers using specific technologies