SEO Optimization Guide for LeadFive Website

🎯 SEO Implementation Overview

This guide documents all SEO optimizations implemented in the LeadFive website v2.

📋 SEO Checklist

✅ Meta Tags & Head Optimization

✅ Structured Data (JSON-LD)

✅ Technical SEO

✅ Performance Optimization

✅ URL Structure & Navigation

✅ Security Headers

✅ Mobile Optimization

✅ Content Optimization

✅ Analytics & Monitoring

🚀 Implementation Details

1. Meta Tags Implementation

Located in app/layout.tsx, the main metadata configuration includes:

export const metadata: Metadata = {
  metadataBase: new URL("https://leadfive.co.jp"),
  title: {
    default: "AI×心理学で売上を科学する | LeadFive",
    template: "%s | LeadFive",
  },
  description: "...",
  keywords: [...],
  openGraph: {...},
  twitter: {...},
  robots: {...},
}

2. Structured Data

JSON-LD structured data is implemented using Script components:

const jsonLd = {
  "@context": "https://schema.org",
  "@type": "Organization",
  // ... organization details
}

3. Image Optimization

Using Next.js Image component with:

4. Performance Features

5. SEO Utilities

Located in lib/seo.ts:

📊 SEO Monitoring

Development Tools

  1. SEO Monitor Component (components/SEOMonitor.tsx)
    • Real-time SEO metrics
    • Heading structure analysis
    • Image optimization check
    • Link analysis
    • Performance metrics
  2. Web Vitals Tracking (components/WebVitals.tsx)
    • Core Web Vitals monitoring
    • Performance metrics tracking
    • Analytics integration

🔧 Configuration Files

next-sitemap.config.js

next.config.ts

robots.txt

📝 Best Practices Implemented

  1. Title Tags: 30-60 characters, unique for each page
  2. Meta Descriptions: 120-160 characters, compelling CTAs
  3. URLs: Clean, descriptive, keyword-rich
  4. Images: Optimized, with alt text, lazy loaded
  5. Content: Structured with proper headings, keyword-optimized
  6. Mobile: Fully responsive, PWA-ready
  7. Speed: Optimized bundles, caching, compression

🛠️ Maintenance Tasks

Regular Tasks

Deployment Checklist

📚 Resources

🎯 Target Metrics