Hamburg, Germany
If an SEO agency has strong domain authority and is steadily growing backlink authority from diverse sources, that tells me they know how to build trust and visibility in a competitive market. Holger Korsten’s own site is clearly getting traction, which is exactly what you want to see from someone selling SEO and digital marketing. Do they practice what they preach? Their domain performance says yes. If you’re in or targeting the German market and want someone who understands how to grow authority over time instead of chasing gimmicks, they look like a solid hire.
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