--- title: "SEO Agency Copenhagen — Blackbook" description: "From technical SEO to content optimisation. Blackbook builds websites that rank with structured data, Core Web Vitals and lasting authority. Let's talk." canonical_url: https://www.blackbook.dk/en/services/seo/ md_url: https://www.blackbook.dk/en/services/seo/index.md language: en last_updated: 2026-09-16 --- # SEO Agency Copenhagen — Blackbook From technical SEO to content optimisation. Blackbook builds websites that rank with structured data, Core Web Vitals and lasting authority. Let's talk. > Alternate (Danish): https://www.blackbook.dk/services/seo/index.md > Provider: Blackbook — founded by Jeppe Sloth Carlsen (https://www.blackbook.dk/en/about/) > Provider ID: https://www.blackbook.dk/#organization > Founder ID: https://www.blackbook.dk/#person-jeppe > Topics: SEO agency Copenhagen, Search engine optimization, Technical SEO > Part of: Blackbook — digital design agency, Copenhagen (https://www.blackbook.dk/en/) > LLM reference: https://www.blackbook.dk/llms.txt > Full reference: https://www.blackbook.dk/llms-full.txt > Markdown sitemap: https://www.blackbook.dk/sitemap.md > Preferred citation URL: https://www.blackbook.dk/en/services/seo/ ## Services — SEO · Search Engine Optimization SEO that builds lasting visibility Blackbook builds websites that get found. We integrate SEO into design and development from day one – not as a layer added on top afterwards, but as part of the information architecture, the code and the content structure. AI is part of our SEO work – from automated content analysis and keyword research to generation of structured data and Schema.org knowledge graphs. ## SEO built in, not bolted on ### Technical SEO and content optimisation as part of the design process Most SEO problems start in the architecture, not in the meta tags. A page that loads slowly, has a broken heading hierarchy or lacks structured data cannot be saved by a good title. We build the technical foundation right from the start – so the content has the best possible conditions to rank. Core Web Vitals, crawlability, internal linking, canonical strategy and Schema.org markup are not a checklist we run at the end – they are decisions we make during the design. ## Visibility that lasts Paid traffic stops when the budget does. Organic visibility grows over time – if the foundation is right. We optimise for long-term authority, not quick hacks: content that matches search intent, pages that answer what the user actually asks, and a technical platform that does not slow Google down. We work with Search Console, structured data validation and ongoing monitoring – so we know what works and can adjust instead of guessing. **What we deliver:** Technical SEO audit · On-page optimisation · Structured data & Schema.org · Core Web Vitals · Content optimisation · Internal linking strategy · Keyword research · Search Console monitoring · AI citation optimisation ## For businesses that want to be owned, not rented We do our best work with companies that want to build long-term organic visibility – SaaS, eCommerce, B2B and professional services that understand SEO is not a campaign but an investment in foundation. If you need a site that ranks on the right words, [let's talk about your project](https://www.blackbook.dk/en/contact/). ## Selected cases Visibility designed in from the start, not bolted on at the end. Sites built for everyone from global brands to local businesses, where architecture, content, and engineering pull in the same direction in search. ### Responsive eCommerce web design — Eye Copenhagen - Responsive e-commerce site for Eye Copenhagen with retailer directory and webshop – SEO-optimised platform that became the hub for all company activities. [Eye Copenhagen — e-Commerce](https://www.blackbook.dk/en/portfolio/eye-copenhagen/) ### Responsive web design and social media — Rosengårdcentret - Responsive WordPress site for Rosengårdcentret with store directory, YouTube, Instagram and 3D animation videos for social media. [Rosengårdcentret — Webdesign](https://www.blackbook.dk/en/portfolio/rosengaardcentret/) ### Attention Value & Sponsorship Platform — Valiyou - Lead Product Design for Valiyou – a SaaS platform turning attention value into measurable sponsorships for sports clubs, influencers and events. [Valiyou.com — Attention Value & Sponsorship Platform](https://www.blackbook.dk/en/portfolio/valiyou/) ### Buy Local web portal and UX — MobilePay - UX and design of web portal for the Buy Local campaign by Marketsquare and MobilePay. Find offers, events and shops in your city at prisdinby.dk. [MobilePay — køb lokalt](https://www.blackbook.dk/en/portfolio/saet-pris-paa-din-by-koeb-lokalt/) ### Responsive site and design guidelines — Coverwise - Designed a responsive website and simple checkout flow for Coverwise's Danish travel insurance launch. [Coverwise — eCommerce](https://www.blackbook.dk/en/portfolio/coverwise/) ### WordPress site and brand identity — Marketsquare - Designed a responsive WordPress site for advertising agency Marketsquare using "design in browser" – landing pages, banners and SEO for Markedsføring.dk. [Marketsquare — Webdesign](https://www.blackbook.dk/en/portfolio/marketsquare/) ### Corporate Web Design & SEO in Typo3 — Gaggenau - SEO-optimised portal for Gaggenau with exclusive product presentations, showroom overview and news – a digital expression matching the brand's prestige. [Gaggenau — Corporate website](https://www.blackbook.dk/en/portfolio/gaggenau/) ### Viral web portal with cocktail game — Havana Club - Designed a Typo3 portal for Havana Club with a cocktail mixing game, a competition to win a trip to Cuba and photo galleries from nightclub events. [Havana Club — Corporate website](https://www.blackbook.dk/en/portfolio/havana-club/) ### Campaign Site for Henning Koppel's 90th — Georg Jensen - Campaign website and web banners for Georg Jensen's tribute to Henning Koppel on his 90th birthday – spanning watches, jewellery and silver pitchers. [Henning Koppel — Campaign website](https://www.blackbook.dk/en/portfolio/georg-jensen/) ### Multinational Typo3 portal in 10 languages — Unidrain - Designed and developed a Typo3 portal in 10 languages for Unidrain – showroom, news, manuals and the Modul 1100 configurator for bathroom architects worldwide. [Unidrain — Global website](https://www.blackbook.dk/en/portfolio/unidrain/) ### Product website — Holmegaard Perfection - Designed and developed the product website for Holmegaard's Perfection glassware series in Typo3 CMS. [Holmegaard — Webdesign](https://www.blackbook.dk/en/portfolio/holmegaard/) ## Related services ### Web Design Agency Copenhagen — Blackbook - From information architecture to finished website. Blackbook builds websites that unite brand, user experience and conversion. [Web Design](https://www.blackbook.dk/en/services/webdesign/) ### eCommerce Design Copenhagen — Blackbook - From product presentation to checkout flow. Blackbook designs webshops and retail platforms that convert without compromising the brand. [eCommerce](https://www.blackbook.dk/en/services/ecommerce/) ### Corporate Website Design Copenhagen — Blackbook - From front page to careers page. Blackbook builds corporate websites that create trust – with a CMS your own team can update. [Corporate Websites](https://www.blackbook.dk/en/services/corporate-websites/) ### Landing Page Design That Converts — Blackbook - From campaign page to product page. Blackbook designs landing pages with one message and one goal that convert, not distract. [Landing Pages](https://www.blackbook.dk/en/services/landing-pages/) ### UX Research & Strategy Copenhagen — Blackbook - From user research to scoping. Blackbook delivers research and strategy that gives projects the right foundation from the start. [Research & Scoping](https://www.blackbook.dk/en/services/research-strategy/) ### Web Accessibility & WCAG 2.2 Design — Blackbook - Contrast ratios, target sizes and WCAG 2.2 as design decisions – not patches. Blackbook designs accessible websites that pass the audit. [WCAG · Accessibility](https://www.blackbook.dk/en/services/accessibility/) ### AI Design & Intelligent Products — Blackbook - From conversational interfaces to AI-driven workflows. Blackbook designs and builds AI products that solve real problems. [AI Experiences](https://www.blackbook.dk/en/services/ai/) ### Website Redesign Agency Copenhagen — Blackbook - A new design without starting over. Blackbook redesigns websites with respect for what works – content and SEO carried over. [Website Redesign](https://www.blackbook.dk/en/services/website-redesign/) ### Information Architecture Agency Copenhagen — Blackbook - Blackbook puts content in order – information architecture and navigation where users find what they came for. [Information Architecture](https://www.blackbook.dk/en/services/information-architecture/) ### GEO Agency Copenhagen · Generative Engine Optimization — Blackbook - From search results to AI answers. Blackbook optimises websites for ChatGPT, AI Overviews and AI search – with documented results. [GEO · Generative Engine Optimization](https://www.blackbook.dk/en/services/geo/) ### LLMO – Large Language Model Optimization - Become part of what AI knows. Blackbook makes websites readable to AI models with llms.txt, markdown twins and knowledge graphs – proven on live site. [LLMO · Large Language Model Optimization](https://www.blackbook.dk/en/services/llmo/) ### Conversion Rate Optimization Agency Copenhagen — Blackbook - From visit to action. Blackbook optimises flows, forms and checkout with data and testing – design that converts without tricks. [Conversion Rate Optimization](https://www.blackbook.dk/en/services/conversion-optimization/) ### Schema Markup Agency Copenhagen — Blackbook - From loose tags to knowledge graph. Blackbook builds structured data that makes your site machine-readable – JSON-LD, entities and rich results. See how. [Schema · Entity](https://www.blackbook.dk/en/services/schema/) ## About Blackbook Blackbook is a Copenhagen digital agency blending creativity and technology across UX, branding, websites and eCommerce. Areas of expertise: - [Apps & Products](https://www.blackbook.dk/en/area/apps-products/index.md) - [Brand & Campaigns](https://www.blackbook.dk/en/area/brand-campaigns/index.md) - [Websites & eCommerce](https://www.blackbook.dk/en/area/websites-ecommerce/index.md) Key figures: - 250+ Digital projects - 150+ Clients - 15+ Fortune 500 - 5+ Top 100 Brands - 25+ Years experience ## Site [Home](https://www.blackbook.dk/en/index.md) [Portfolio](https://www.blackbook.dk/en/portfolio/index.md) [About](https://www.blackbook.dk/en/about/index.md) [Services](https://www.blackbook.dk/en/services/index.md) [Experience](https://www.blackbook.dk/en/experience/index.md) [Recognition](https://www.blackbook.dk/en/awards/index.md) [Contact](https://www.blackbook.dk/en/contact/index.md) [CV](https://www.blackbook.dk/en/cv/index.md) [Journal](https://www.blackbook.dk/en/journal/index.md) Blackbook · Jerichausgade 7 · 1777 Copenhagen · (+45) 31 10 79 13 · [jeppe@blackbook.dk](mailto:jeppe@blackbook.dk)