Deep DiveWICHI
AI Search Engine Comparison: ChatGPT Search, Perplexity, AI Overviews
Comparative analysis of ChatGPT Search, Perplexity, and Google AI Overviews on accuracy, speed, and cost, with optimal engine recommendations for each query type.
WICHI
6 posts
Deep DiveWICHI
GEO Definition and Structural Differences from SEO
Definition of GEO and its six structural differences from SEO. Proposes a new framework for brand visibility in an environment where AI search provides answers instead of link clicks.
LabWICHI
LLM-as-Judge — Evaluating AI Responses with AI
Analysis of the LLM-as-Judge pattern for evaluating AI response quality, featuring multidimensional metric design, reliability verification, and strategies for position and verbosity bias.
All Posts
Deep DiveWICHI
AI Search Engine Comparison: ChatGPT Search, Perplexity, AI Overviews
Comparative analysis of ChatGPT Search, Perplexity, and Google AI Overviews on accuracy, speed, and cost, with optimal engine recommendations for each query type.
Deep DiveWICHI
GEO Definition and Structural Differences from SEO
Definition of GEO and its six structural differences from SEO. Proposes a new framework for brand visibility in an environment where AI search provides answers instead of link clicks.
LabWICHI
LLM-as-Judge — Evaluating AI Responses with AI
Analysis of the LLM-as-Judge pattern for evaluating AI response quality, featuring multidimensional metric design, reliability verification, and strategies for position and verbosity bias.
Deep DiveWICHI
Lemon Squeezy vs Stripe — A Korean Solo SaaS Builder's Comparison
Comparative analysis of Lemon Squeezy (MoR) and Stripe for Korean solo SaaS builders, providing a practical guide on global tax compliance, fees, and business registration.
BuildWICHI
After Hackathon Rejection — Pivoting to Independent SaaS
Recording the 24-hour pivot of WICHI to an independent SaaS after a hackathon rejection, covering i18n implementation, SEO setup, and monetization roadmap restructuring.
BuildWICHI
Lovable to Vercel — Frontend Migration Record
Migration from Lovable ($25/mo) to Vercel ($0) including build pipeline reconfiguration, documenting the frontend hosting transition process.