SEO Implementation & Audit

Final technical SEO implementation and comprehensive audit.

Prerequisites

• All pages built and content optimized

• docs/sitemap.md and docs/seo-strategy.md exist

Workflow

• Audit All Pages - Check every page for SEO requirements

• Generate Technical Files - sitemap.xml, robots.txt

• Add Schema.org - JSON-LD structured data

• Configure Social - Open Graph, Twitter cards

• Final Verification - Comprehensive checklist

Full Site Audit Checklist

Per-Page Verification

For EACH page in docs/sitemap.md, verify:

Content:

• H1 contains primary keyword

• Only ONE H1 per page

• H2/H3 include secondary keywords

• Keyword density 1-2%

• Minimum 300 words content

Meta Tags:

• Title tag 50-60 characters

• Title contains primary keyword

• Meta description 150-160 characters

• Meta description has CTA

Images:

• All images have alt text

• Alt text is keyword-relevant

• Images are optimized (WebP)

Links:

• Internal links to key pages

• No broken links

• Anchor text is descriptive

Technical SEO Files

sitemap.xml (app/sitemap.ts)

import { MetadataRoute } from 'next'

export default function sitemap(): MetadataRoute.Sitemap { const baseUrl = 'https://domain.com'

return [ { url: baseUrl, lastModified: new Date(), changeFrequency: 'weekly', priority: 1 }, { url: ${baseUrl}/leistungen, lastModified: new Date(), changeFrequency: 'monthly', priority: 0.8 }, // All pages from docs/sitemap.md ] }

robots.txt (public/robots.txt)

User-agent: * Allow: / Disallow: /api/ Disallow: /_next/

Sitemap: https://domain.com/sitemap.xml

Schema.org Structured Data

Add to layout or pages:

LocalBusiness (Homepage):

{ "@context": "https://schema.org", "@type": "LocalBusiness", "name": "Company Name", "address": { "@type": "PostalAddress", "streetAddress": "Street", "addressLocality": "Zürich", "postalCode": "8000", "addressCountry": "CH" }, "telephone": "+41 XX XXX XX XX", "url": "https://domain.com", "priceRange": "$$" }

Service (Service Pages):

{ "@context": "https://schema.org", "@type": "Service", "name": "Webdesign", "provider": { "@type": "LocalBusiness", "name": "Company" }, "areaServed": "Zürich", "description": "Service description" }

FAQPage (FAQ Sections):

{ "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [{ "@type": "Question", "name": "Question?", "acceptedAnswer": { "@type": "Answer", "text": "Answer" } }] }

Open Graph & Twitter

Add to page metadata:

export const metadata: Metadata = { title: 'Page Title | Brand', description: 'Description with keyword', openGraph: { title: 'Page Title | Brand', description: 'Description', url: 'https://domain.com/page', siteName: 'Brand', images: [{ url: '/og-image.png', width: 1200, height: 630 }], locale: 'de_CH', type: 'website', }, twitter: { card: 'summary_large_image', title: 'Page Title', description: 'Description', images: ['/og-image.png'], }, }

Final Ranking Checklist

Technical:

• sitemap.xml generated and accessible

• robots.txt allows crawling

• SSL certificate active (HTTPS)

• Mobile responsive

• Page speed < 3 seconds

• No console errors

Content:

• All pages have unique title tags

• All pages have unique meta descriptions

• All H1s are unique and keyword-optimized

• No duplicate content

• No thin content (< 300 words)

Structured Data:

• LocalBusiness schema on homepage

• Service schema on service pages

• FAQPage schema on FAQ sections

• BreadcrumbList schema (optional)

Social:

• Open Graph images created (1200x630)

• OG tags on all pages

• Twitter card tags on all pages

Output

• app/sitemap.ts created

• public/robots.txt created

• Schema.org components added

• OG images configured

• All pages verified for SEO compliance