Andy CrestodinavsOlivier Duffez

Andy Crestodina
Co-founder & CMO
Zenith Score
80
World Rank
#56
Olivier Duffez
Fondateur & Consultant SEO
Zenith Score
85
World Rank
#31
Change comparison
Verdict
Winner
Olivier Duffez
85
+5 points ahead
Runner-up
Andy Crestodina
80
Category Winners
Visibility
Olivier
82 vs 88
Authority
Olivier
81 vs 87
Trust
Olivier
83 vs 90
Innovation
Andy
78 vs 75
Andy Crestodina wins in 1 category, while Olivier Duffez leads in 3 categories.
Expert Analysis
Andy Crestodina and Olivier Duffez are both veteran SEO educators with extensive publishing backgrounds. Andy, co-founder of Orbit Media with 23 years of experience, focuses on content strategy and web analytics for conversions. Olivier, founder of WebRankInfo with 22 years of experience, has built the most influential French SEO resource and community platform. Andy provides content optimization expertise with a conversion focus for US markets. Olivier offers comprehensive SEO education and consulting for the French-speaking world. Andy's approach is content-marketing-centric, while Olivier covers all aspects of SEO with a community-building focus. Andy Crestodina et Olivier Duffez sont tous deux des educateurs SEO veterans avec de vastes backgrounds de publication. Andy, co-fondateur d'Orbit Media avec 23 ans d'experience, se concentre sur la strategie de contenu et l'analytique web. Olivier, fondateur de WebRankInfo avec 22 ans d'experience, a construit la ressource SEO francaise la plus influente. Andy apporte une expertise en optimisation de contenu pour le marche americain, tandis qu'Olivier offre une education SEO complete pour le monde francophone.
"Choose Andy for US content marketing; choose Olivier for French SEO education and community."
You need content strategy and conversion optimization for English-speaking markets.
You need comprehensive French SEO education with community support and resources.
Score Comparison
Detailed Comparison
| Metric | Andy Crestodina | Olivier Duffez |
|---|---|---|
| Zenith Score Breakdown | ||
| Zenith Score | 80-5 | 85+5 |
| World Rank | #56 | #31 |
| Visibility | 82-6 | 88+6 |
| Authority | 81-6 | 87+6 |
| Trust | 83-7 | 90+7 |
| Innovation | 78+3 | 75-3 |
| Profile Details | ||
| Job Title | Co-founder & CMO | Fondateur & Consultant SEO |
| Location | Chicago, United States | France, France |
| Years Experience | 23+1 | 22-1 |
| Agency | Orbit Media Studios | WebRankInfo |
| Specialties | Content Strategy, SEO Analytics, Web Optimization | Formation SEO, Veille SEO, Consulting SEO |
| Certifications | 0= | 0= |