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Technical SEO

Technical SEO AuditSchema MarkupCore Web VitalsSitemap ArchitecturehreflangCrawl Budget

Technical SEO Services

Google Filters Your Site Before A Buyer Ever Sees It

91K

Pages Indexed

Deluxe Astrology

35→94

Lighthouse Score

SleepDr migration

137K

Listings Indexed

Not Another Sunday

Google Position

Days after publish

What Technical SEO Actually Fixes — And What It Won't

Your page goes live. Google's crawler arrives in seconds, renders your markup, scores your structure, and decides — before any human sees you — whether your content earns an index slot. Technical SEO is the work you do before that judgment. We audit your crawl, fix your redirect chains, ship schema that tells Google what your pages mean, and tune your Core Web Vitals so your mobile scores deserve your rankings. You get sitemaps that scale to 100K+ URLs, hreflang that reciprocates across your locales, and crawl-budget rules that keep Google's bots focused on your revenue pages — not your faceted-filter dead ends. Done right, your content meets the index on its merit. Done wrong, your best pages stay invisible while sloppier competitors take your rankings.

Wo Projekte scheitern

Lighthouse scores below 50 on mobile — Google deprioritizes slow pages Rankings drop as Core Web Vitals become a stronger signal; competitors sitting at 90+ are already taking your positions.

Thousands of pages published but only a fraction indexed Content investment wasted — pages that aren't indexed generate zero organic traffic.

No structured data — missing rich results in SERPs Competitors with FAQ, Product, and Review schema dominate the visual real estate and capture higher CTR.

Redirect chains and broken links piling up with every site update Crawl budget gets burned on error pages; link equity bleeds through 3–4 hop redirect chains.

Multilingual site without proper hreflang causing duplicate content flags Google serves the wrong language version to users; content cannibalizes itself across locales.

Faceted navigation and pagination creating millions of low-value URLs Crawl budget gets exhausted on filter combinations; your high-value pages get pushed back in Google's crawl queue.

Compliance

Technical SEO Audit

A full Screaming Frog crawl covering broken links, redirect chains, duplicate content, missing meta tags, orphan pages, crawl depth, Core Web Vitals, mobile usability, and structured data validation. You get a prioritized fix list — estimated impact and effort for every item found.

Schema Markup Implementation

JSON-LD for every page type: Organization, LocalBusiness, Article, Product, Service, FAQPage, HowTo, BreadcrumbList, and more. Built into Next.js App Router server components and validated with Google Rich Results Test and Schema Markup Validator.

Core Web Vitals Optimization

We target Lighthouse 90+ on mobile. That means Next.js Image optimization, dynamic imports, font subsetting with display:swap, SSR, Vercel edge caching, third-party script deferral, and CSS critical path extraction.

Sitemap Architecture

For sites with 1K to 100K+ pages: a sitemap index with chunked sitemaps at 50K URLs each, dynamically generated from Supabase with ISR regeneration and GSC submission.

hreflang + International SEO

next-intl with hreflang tags in the HTML head and sitemaps. Locale-aware canonical URLs, language-specific structured data, and two-tier translation gating for multilingual sites.

Crawl Budget Optimization

robots.txt refinement, noindex/nofollow strategy, internal linking architecture overhaul, pagination handling, and faceted navigation management — all aimed at steering crawl budget toward your high-value pages.

Was wir bauen

See Every Issue, Ranked by Revenue Impact

Every audit item scored by traffic impact and implementation effort. You fix what moves rankings first — not what's loudest in the report.

Make Google Read Your Pages the Way You Wrote Them

JSON-LD for Organization, Product, Article, FAQPage, HowTo, BreadcrumbList, Review, and 6 more — validated in Rich Results Test before a single line ships.

Hit 90+ Mobile or We Don't Ship

Real result: SleepDr went from Lighthouse 35 to 94 during a WordPress-to-Next.js rebuild. Image optimization, dynamic imports, edge caching, font subsetting — every lever pulled.

Ship Sitemaps That Don't Break at Scale

Supabase-powered sitemap index with chunked 50K-URL files, regenerated via ISR. Battle-tested on 91K pages for Deluxe Astrology and 137K for Not Another Sunday.

Translate Once, Reciprocate Everywhere

Production record: 30 languages, 118 hreflang pages, 41 namespaces, 39 locale-aware API routes. Bidirectional and self-referential — no broken returns.

Stop Google's Bots Burning Time on Dead URLs

robots.txt rules, faceted-navigation gating, and internal linking restructure for sites with 25K–137K+ URLs. Crawl stats land in GSC by week six.

Unser Prozess

Crawl & Audit

We run a full Screaming Frog crawl and catalog every broken link, redirect chain, orphan page, missing schema, and Core Web Vitals failure. You get a prioritized spreadsheet with impact and effort scores for each item.

Week 1-2

Architecture Plan

We design the fix strategy: schema types per page template, sitemap structure, hreflang matrix, crawl budget rules, and CWV optimization targets. You approve everything before we write a line of code.

Week 2-3

Implementation

Schema markup in Next.js server components, sitemap generation from Supabase, hreflang with next-intl, CWV fixes through image optimization, dynamic imports, and edge caching. Every change gets validated against Google's tools before it ships.

Week 3-6

Validation & Submission

Rich Results Test on every schema type, Lighthouse audit on key pages, sitemap submission to GSC, hreflang validation, and crawl stats monitoring. Nothing ships until scores hit targets.

Week 6-7

Monitoring & Iteration

30-day post-launch monitoring of index coverage, crawl stats, CWV scores, and rich result appearances. The ongoing tier includes monthly re-audits and continuous optimization.

Week 8+

Next.jsSupabaseVercelScreaming FrogGoogle Search Consolenext-intl

Häufige Fragen

Was ist in einem technischen SEO-Audit enthalten?

Ein vollständiger Screaming Frog-Crawl mit Überprüfung auf fehlerhafte Links, Redirect-Ketten, doppelte Inhalte, fehlende Meta-Tags, verwaiste Seiten, Crawl-Tiefenanalyse, Core Web Vitals-Bewertung, Mobile Usability und Validierung strukturierter Daten. Das Ergebnis ist eine priorisierte Fix-Liste mit geschätztem Traffic-Impact und Implementierungsaufwand für jeden gefundenen Punkt.

Wie lange dauert ein technisches SEO-Audit?

Ein reines Audit dauert 1–2 Wochen, je nach Seitengröße. Bei einer 10.000-Seiten-Website ist der Crawl und die Analyse in Woche eins fertig, die priorisierte Fix-Liste in Woche zwei. Websites mit über 50.000 Seiten benötigen oft zusätzliche Crawl-Durchläufe und können sich auf knapp 3 Wochen hinziehen.

Welche Schema-Markup-Typen implementiert ihr?

Wir implementieren JSON-LD für Organization, LocalBusiness, Article, BlogPosting, Product, Service, FAQPage, HowTo, BreadcrumbList, WebSite, Event, Person und Review. Jeder Schema-Typ wird in Next.js App Router Server Components integriert und mit Google Rich Results Test und Schema Markup Validator vor dem Deployment validiert.

Könnt ihr Core Web Vitals auf einer bestehenden Next.js-Website verbessern?

Ja. Wir haben Websites von Lighthouse 35 auf 94 gebracht – durch Next.js Image-Optimierung, Dynamic Imports für schwere Komponenten, Font-Subsetting mit display:swap, SSR, Vercel Edge Caching, Deferral von Third-Party-Scripts und CSS Critical Path Extraction. Wir streben für jedes Projekt 90+ auf Mobile an.

Wie handhabt ihr Sitemaps für Websites mit 100K+ Seiten?

Wir erstellen einen Sitemap-Index mit aufgeteilten Sitemaps à 50K URLs, dynamisch generiert aus Supabase-Queries mit ISR zur Regeneration. Wir haben dies im großen Maßstab nachgewiesen – Deluxe Astrology hat 91K Seiten indexiert und Not Another Sunday hat 137K Listings indexiert, beide mit dieser exakten Architektur.

Unterstützt ihr mehrsprachige Websites mit hreflang?

Ja. Wir implementieren next-intl mit hreflang-Tags sowohl im HTML Head als auch in Sitemaps, locale-aware Canonical URLs, sprachspezifische strukturierte Daten und zwei-stufige Translation Gating. Unser Produktionsnachweis ist Deluxe Astrology: 30 Sprachen, hreflang über 118 Seiten, 41 Namespaces und 39 locale-aware API Routes.

Technical SEO from $2,000

Audit only $2-5K · Audit + implementation $5-15K · Full ongoing $10-25K.

See all packages →

Schema Markup in Next.js: JSON-LD Structured Data Guide Dynamic Sitemap for 91,000 Pages with Next.js + Supabase hreflang Tags in Next.js for 30 Languages SleepDr: WordPress to Next.js — Lighthouse 35 to 94

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