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Compare Conversion Century vs YYD.MARKETING

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Winner

Conversion Century

SEO & Organic Growth Website

Conversion Century is a full-service SEO agency based in Sofia, Bulgaria, specializing in white-hat SEO strategies to increase organic visibility and qualified traffic. With over 10 years of experience and 100+ projects yearly, they serve EU and US markets across 42+ industries.

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YYD.MARKETING

Paid Advertising & PPC Website

YYD.MARKETING is a global word-of-mouth marketing technology company focused on the tourism industry. They help hotels, restaurants, and travel businesses reduce customer acquisition costs and build direct booking channels through digital strategy, content marketing, and social media operations.

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Feature Comparison

Attribute	Conversion Century	YYD.MARKETING
Category	SEO & Organic Growth	Paid Advertising & PPC
Rating	Winner +0.1 higher
Location	Sofia, Bulgaria	Shanghai, Shanghai, China
Services	AI Search Optimization LLM optimization Content Marketing Content Strategy Copywriting SEO APP Store Optimization Link Building Shopify SEO Advertising Display Ads Native Advertising PPC Programmatic Advertising Branding Online Reputation Management	AI Search Optimization LLM optimization Content Marketing Content Strategy Copywriting SEO APP Store Optimization Link Building Shopify SEO Advertising Display Ads Native Advertising PPC Programmatic Advertising Branding Online Reputation Management
Industries	B2B Services Ecommerce Real Estate	Ecommerce Restaurants Travel & Tourism
Pros	Transparent reporting and collaborative partnership approach	Data-driven approach with measurable results and strategic consulting
Cons	Limited public client reviews available for verification Budget range per project is relatively low, which may not appeal to large enterprises	Small team (1-9) may limit capacity for large-scale or simultaneous projects Niche focus on tourism industry may not suit businesses outside travel, hospitality,
Website	Visit Site	Visit Site

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