SEO Cheki Guide: Basic Usage and MECE Competitor Analysis for EC

To maximize EC site sales, strengthening organic traffic as a long-term asset is essential beyond just ad management. However, surprisingly few managers accurately understand how search engines evaluate their site or what competitors are doing. The invaluable free SEO analysis tool "SEO Cheki." This article covers basic SEO Cheki operations and MECE competitor analysis frameworks from a professional perspective.

1. What Is SEO Cheki? An Overview for EC Managers

SEO Cheki is a free, browser-based SEO diagnostic tool widely used in Japan for quick competitor analysis and keyword ranking checks. For EC managers new to SEO, it provides an accessible entry point for understanding site visibility metrics without requiring technical expertise.

The tool allows instant analysis of key SEO indicators including title tags, meta descriptions, h1 structure, indexed page count, and keyword rankings — making it invaluable for MECE-structured competitive benchmarking across marketplace and independent EC channels.

2. Basic Operations: Mastering the 4 Main Functions

The four main functions of SEO Cheki are: (1) Site SEO Check for basic on-page analysis, (2) Keyword Ranking Check to track positions for target terms, (3) Keyword Suggestion for related term discovery, and (4) Competition Comparison for benchmarking against competitors. Mastering all four provides a foundation for systematic SEO work.

• Site SEO Check: Check basic information including Title, Description, H1 tags, and outbound link counts.
• Ranking Check: Measures Google/Yahoo rankings for specific keywords.
• Keyword Frequency: Visualizes which words are most used within pages.
• DokoDokoJP Integration: Identifies company information from visitor IP addresses.