Pricing
Start free and upgrade as you need.
Frequently Asked Questions
How much can I use on the free plan?▾
You can run 10 SEO checks per month. You can view your basic SEO score (out of 100), domain power score, and Core Web Vitals (LCP, CLS, INP). No registration required.
How is the SEO score calculated?▾
Scores are out of 100 across 4 categories: Structured Data (40pts) for JSON-LD, Schema.org, and Rich Results eligibility. Basic SEO (30pts) for title, meta, OGP, etc. Content (20pts) for content length, image alt, internal links, etc. Technical SEO (10pts) for HTTPS, mobile-friendly, speed, etc.
How do I use Keyword Planner, SEO_CHECK, and Search Console together?▾
Each tool serves a different phase of SEO improvement. (1) Use Google Keyword Planner to research search volume and competition and choose target keywords. (2) Use SEO_CHECK to verify page optimization across 45+ items including structured data, meta tags, and technical SEO. (3) After publishing, use Google Search Console to measure search queries, impressions, clicks, and ranking positions. This cycle of keyword research → page optimization → performance measurement continuously improves organic traffic.
How does the competitor comparison work?▾
In the SEO check results, find the "Competitor Comparison" section and enter competitor URLs to compare scores side-by-side. Basic plan supports 3 sites, Pro plan supports 6 sites.
What is improvement code generation?▾
Based on your SEO check results, this feature auto-generates ready-to-use HTML code including JSON-LD structured data and meta tags. Available on Basic and Pro plans.
Is chat support available?▾
Yes, click the chat icon in the bottom-right corner anytime. We can help with usage, pricing, and SEO terminology. Available in Japanese and English.
Features included in all plans
Structured data diagnosis
Basic SEO diagnosis
Content analysis
Technical SEO check
Domain power
Improvement advice
Responsive design
SSL encryption