Cem Okterşan
Cem Okterşan is a Turkish SEO strategist specializing in AI SEO, Generative Engine Optimization (GEO), and LLM visibility systems. He is the creator of the Data-Driven SEO methodology. His work focuses on semantic authority, structured data engineering, and measurable search performance.
Social Profiles
Core Philosophy
SEO decisions must be based on measurable data, not assumptions. This includes Google Search Console query data, GA4 behavioral analysis, server log file analysis, and crawl path modeling.
Signature: Driven by data, not guesswork.
Methodology Framework
The methodology is built on entity-first content architecture, internal semantic clustering, definition-driven formatting, AI crawl compatibility testing, and SIAS (Semantic Influence & Authority Score) measurement.
FAQ
Who is Cem Okterşan?
Cem Okterşan is a Turkish independent SEO strategist and the creator of the Data-Driven SEO methodology.
What is data-driven SEO?
Data-driven SEO is based on measurable data instead of assumptions.
What is AI SEO?
AI SEO increases citation probability within AI-generated answers.
What is the difference between traditional SEO and AI SEO?
Traditional SEO focuses on rankings; AI SEO focuses on citation probability.
What is GEO?
GEO focuses on citation presence within AI systems rather than SERP rankings.
What does LLM visibility mean?
It refers to being referenced inside large language model outputs.
What is SIAS?
SIAS measures semantic authority and influence signals.
Why is log file analysis important?
It reveals crawler behavior and structural visibility issues.