Sandra Krone - Senior SEO Consultant / SEO Partner

Q: Where is Sandra based?

Sandra is based in Schwieberdingen, Germany and prefers 100% remote projects.

Q: What languages does Sandra speak?

Sandra speaks the following languages: German (Native), English (Elementary) .

Q: How many years of experience does Sandra have?

Sandra has at least 8 years of experience. During this time, Sandra has worked in at least 1 role and for 1 company . The average length of individual experience is 8 years and 10 months . Note that Sandra may not have shared all experience and actually has more experience.

Q: What is Sandra's latest experience?

Sandra's most recent position is SEO Partner at OLDSCHOOLSEO .

Q: What companies has Sandra worked for in recent years?

In recent years, Sandra has worked for OLDSCHOOLSEO .

Q: Which industries is Sandra most experienced in?

Sandra is most experienced in industries like Healthcare , Information Technology , and Professional Services .

Q: Which business areas is Sandra most experienced in?

Sandra is most experienced in business areas like Information Technology , Marketing , and Operations . Sandra also has some experience in Product Development and Strategy .

Q: Which industries has Sandra worked in recently?

Sandra has recently worked in industries like Healthcare , Information Technology , and Professional Services .

Q: Which business areas has Sandra worked in recently?

Sandra has recently worked in business areas like Information Technology , Marketing , and Operations .

Recommended expert

Schwieberdingen, Germany

Check rate

Experience

Sep 2018 - Present

7 years 11 months

Remote

SEO Partner

OLDSCHOOLSEO

Main Responsibilities

Technical SEO: Performance engineering and optimization of static web architectures (Next.js, Tailwind, Netlify).
Semantic SEO & Content: Conceptualization of machine-readable SEO content templates and operational, hybrid copywriting to structure content for AI search systems (RAG-readiness).
Local SEO: Data-driven management of regional visibility and optimization of Google Business Profiles for local service providers.
White-Label SEO: Hidden operational execution of end-to-end SEO campaigns for lead agencies (DACH region).

Key Achievements (KPIs)

B2C SEO (hearing care professionals): +2,370% Performance Index, +523% Visibility Index, and +100% organic traffic (estimated visits) in 36 months.
B2B IT SEO (interface development): +21,867% Visibility Index and +98% search impressions in the 3-month comparison (visibility recovery).
Technical SEO Performance (insurance): Google PageSpeed scores of 98/100 (desktop) and 97/100 (mobile) with a Largest Contentful Paint (LCP) of 1 second.
Local SEO (service provider): Increase in click-through rate (CTR) on the homepage from 1.17% to 5.72% (mobile: 9.09%).

Impact

Generative Engine Optimization (GEO): Establishment of lasting domain authority as a valid, structured data source for search engines and RAG systems.
Lead generation: Transformation of invisible websites into stable organic acquisition channels to reduce paid ads budgets.
Agency scaling: Risk-free expansion of the service portfolio for external marketing agencies through reliable white-label support.

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Healthcare, Information Technology, and Professional Services.

Healthcare

Information Technology

Professional Services

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Marketing, Operations, Product Development, and Strategy.

Information Technology

Marketing

Operations

Product Development

Strategy

Summary

Senior SEO Expert and Managing Director (OLDSCHOOLSEO) with a focus on data-based search engine optimization in the DACH region. Specialized in the technical, semantic, and local optimization of web presences for search engines, AI systems, and large language models (LLMs). Many years of experience in the discreet execution of B2B and B2C projects as a white-label partner for marketing and web agencies. Billing flexibly on an hourly or project basis without minimum terms.

Core Skills Technical SEO, Semantic SEO, Local SEO, Content Strategy, RAG-Readiness, Generative Engine Optimization (GEO), White-Label SEO, B2B & B2C SEO.

Skills

Key Skills (Hard Skills & Technologies)

Strategic & Technical Seo: Seo Strategy, Performance Optimization, Jamstack, Next.Js, Tailwind Css, Netlify, Headless Web Architectures.
Content Seo & Data Structuring: Seo Content Templates, Entity Modeling, Hybrid Copywriting (Human & Ai), Rag-Readiness (Retrieval-Augmented Generation), Ai Overviews Preparation.
Local Seo: Google Business Profiles, Local Data Structures, Regional Lead Generation.
Consulting & Management: White-Label Consulting, Project Management, Asynchronous Communication, Data-Based Success Measurement.

Tools & Software

Screaming Frog
Ahrefs
Google Search Console (Gsc)
Surfer Seo
Mangools (Serpwatcher)
Neuronwriter

Methodology & Principles (What Defines Me)

Data-Based Approach: 100% Contractual Exclusion Of Manipulative Seo/Geo Tricks Or Dubious #1 Ranking Guarantees.
Future-Proof Infrastructures: A Combination Of Maximum Technical Performance (Pagespeed Scores 98/100) And Precise Semantic Structuring For Modern Ai Algorithms.
Operational Seniority: Independent And Reliable Hands-On Execution Since 2018; Risk-Free Portfolio Expansion For External Lead Agencies.

Languages

German

Native

English

Elementary

Education

Sep 2018 - Sep 2030

Self-taught & practice-based further education

Senior Expertise · Search engine optimization & web architectures

Focus Areas: Technical SEO, performance engineering (Jamstack, Next.js), prompt engineering, and structuring data for large language models (LLMs) and RAG systems.

Relevance: Ongoing adaptation of SEO strategies to current search engine algorithms and AI developments in daily agency and freelance work.

Oct 1993 - Jul 1996

IKL Bildungszentrum GmbH

IHK Certification · Office Communications Clerk · Nordhausen, Germany

Focus Areas: Business management, process optimization, and professional B2B customer communication.

Relevance: Strong business foundation for today's role as managing director and a reliable, self-responsible white-label partner for external agencies.

Certifications & licenses

Content Optimization Expert

app.surferseo.com

Statistics

Experience

Total positions 1

Experience in Healthcare 8 y

Avg length 7 y 10 m

Longest experience 7 y 10 m

Expertise

Recent roles SEO Partner

Main industries Healthcare, Information Technology, Professional Services

Main business areas Information Technology, Marketing, Operations

Qualifications

Highest degree Master

Certifications earned 1

Profile

Created

July 2026

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Frequently asked questions

Have questions? Find more information here.

Where is Sandra based?

Sandra is based in Schwieberdingen, Germany and prefers 100% remote projects.

What languages does Sandra speak?

Sandra speaks the following languages: German (Native), English (Elementary).

How many years of experience does Sandra have?

Sandra has at least 8 years of experience. During this time, Sandra has worked in at least 1 role and for 1 company. The average length of individual experience is 8 years and 10 months. Note that Sandra may not have shared all experience and actually has more experience.

What roles would Sandra be best suited for?

Based on recent experience, Sandra would be well-suited for roles such as: SEO Partner.

What is Sandra's latest experience?

Sandra's most recent position is SEO Partner at OLDSCHOOLSEO.

What companies has Sandra worked for in recent years?

In recent years, Sandra has worked for OLDSCHOOLSEO.

Which industries is Sandra most experienced in?

Sandra is most experienced in industries like Healthcare, Information Technology, and Professional Services.

Which business areas is Sandra most experienced in?

Sandra is most experienced in business areas like Information Technology, Marketing, and Operations. Sandra also has some experience in Product Development and Strategy.

Which industries has Sandra worked in recently?

Sandra has recently worked in industries like Healthcare, Information Technology, and Professional Services.

Which business areas has Sandra worked in recently?

Sandra has recently worked in business areas like Information Technology, Marketing, and Operations.

What is Sandra's education?

Sandra holds a Master in Search engine optimization & web architectures from Self-taught & practice-based further education and a Bachelor in Office Communications Clerk from IKL Bildungszentrum GmbH.

Does Sandra have any certificates?

Sandra has 1 certificate: Content Optimization Expert.

What is the availability of Sandra?

Sandra is immediately available part-time for suitable projects.

What is the rate of Sandra?

Sandra's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.