{"domain":"kodansha.co.jp","url":"https://www.markosweb.com/www/kodansha.co.jp/","checked_at":"2026-08-24","title":"講談社「おもしろくて、ためになる」を世界へ","agentic_readiness":{"passed":5,"assessed":28,"percent":34},"checks":[{"group":"Agent interaction","check":"Semantic HTML5 & Accessibility","status":"pass","detail":"ARIA attributes found for accessibility"},{"group":"Agent interaction","check":"Clean, Crawlable HTML","status":"pass","detail":"Page has title and meta description"},{"group":"Agent interaction","check":"Extraction Friction Score","status":"partial","detail":"Few pages have voice-friendly lead paragraphs"},{"group":"Agent interaction","check":"Indexability & Snippet Eligibility","status":"pass","detail":"Pages are indexable and snippet-eligible - the precondition for Google AI features is met"},{"group":"Agent interaction","check":"Layout Stability & Responsiveness","status":"partial","detail":"100/100 images lack explicit width/height - the most common cause of layout shift (CLS)"},{"group":"Agent interaction","check":"Canonical URL Strategy","status":"fail","detail":"No canonical URL tag found"},{"group":"Agent interaction","check":"Page Speed: Page Size","status":"partial","detail":"Approximately 2380 DOM nodes - consider simplifying"},{"group":"Agent interaction","check":"Page Speed: Load Blockers","status":"pass","detail":"Efficient critical rendering path"},{"group":"Machine extraction","check":"Table & List Extractability","status":"fail","detail":"No HTML tables found across homepage"},{"group":"Machine extraction","check":"Sentence Atomicity","status":"partial","detail":"Average 33% atomic sentences across 1 pages (target 40%+)"},{"group":"Machine extraction","check":"Entity Density","status":"fail","detail":"Average entity density 5.7% across 1 pages (target >15%)"},{"group":"Machine extraction","check":"Definition Patterns","status":"fail","detail":"No definition patterns found"},{"group":"Machine extraction","check":"Answer Capsule Pattern","status":"fail","detail":"1/11 H2 sections have 15-30 word self-contained capsules (9%)"},{"group":"Structured data","check":"Schema.org Structured Data","status":"fail","detail":"No JSON-LD structured data found across homepage"},{"group":"Structured data","check":"Schema Coverage & Depth","status":"fail","detail":"No JSON-LD found - cannot assess schema coverage"},{"group":"Structured data","check":"Speakable Schema","status":"fail","detail":"No JSON-LD found across homepage - cannot assess speakable schema"},{"group":"AI discovery","check":"llms.txt File","status":"fail","detail":"No llms.txt file found at https://kodansha.co.jp/llms.txt (connection failed)"},{"group":"AI discovery","check":"robots.txt for AI Crawlers","status":"fail","detail":"No robots.txt file found"},{"group":"AI discovery","check":"Sitemap Completeness","status":"fail","detail":"No sitemap.xml found"},{"group":"AI discovery","check":"RSS/Atom Feed","status":"not_found","detail":"Not assessed"},{"group":"AI discovery","check":"Internationalization Signals","status":"fail","detail":"No hreflang alternate links found"},{"group":"AI discovery","check":"Content Licensing & AI Permissions","status":"not_found","detail":"Not assessed"},{"group":"Trust & transparency","check":"Entity Authority & E-E-A-T","status":"fail","detail":"No Organization schema to reinforce entity identity"},{"group":"Trust & transparency","check":"Creator Transparency","status":"fail","detail":"Creator visibility is weak on content-like pages"},{"group":"Trust & transparency","check":"Methodology Transparency","status":"partial","detail":"Little content-production or review transparency is visible"},{"group":"Trust & transparency","check":"AI Assistance Disclosure","status":"partial","detail":"No AI-assistance disclosure found on sampled pages (neutral - the engine cannot tell whether AI was used)"},{"group":"Trust & transparency","check":"Visible Date Signal","status":"fail","detail":"No visible date signals found across homepage (no <time> elements, no JSON-LD dates, no article meta dates)"},{"group":"Trust & transparency","check":"Title & Meta Quality","status":"pass","detail":"Titles are present, unique, and well-sized, and pages carry meta descriptions"},{"group":"Trust & transparency","check":"Content Freshness Signals","status":"fail","detail":"No JSON-LD date properties (datePublished/dateModified) found across homepage"},{"group":"Trust & transparency","check":"Author & Expert Schema","status":"fail","detail":"No Person schema found across homepage"}],"fixes":[{"id":"table_list_extractability","title":"Add structured tables and lists","advice":"Present kodansha.co.jp's comparison and spec data as real HTML tables and lists agents can extract.","impact":"critical","effort":"medium"},{"id":"entity_consistency","title":"Strengthen entity authority (NAP)","advice":"Make kodansha.co.jp's name, address and phone consistent and add Organization schema to anchor its identity.","impact":"critical","effort":"medium"},{"id":"content_freshness","title":"Add content freshness signals","advice":"Refresh and re-date kodansha.co.jp's key pages so agents see it as maintained.","impact":"critical","effort":"medium"},{"id":"definition_patterns","title":"Add definition-style content","advice":"Add clear \"X is ...\" definitions on kodansha.co.jp so agents can lift direct answers.","impact":"critical","effort":"medium"}],"trust":{"live":true,"last_status":200,"https":true,"technology":"nginx","longevity_years":null},"historical":{"domain":"kodansha.co.jp","as_of":"2020-08-08","seo_headline":null,"seo_keywords":"special, home, iletim, googlereader","indexed_pages":243308,"backlinks":787349,"homepage_links_internal":42,"homepage_links_external":67,"snapshots":34,"domain_worth_usd":7264547,"health_score_pct":62.56,"web_server":null,"hosting_provider":"VECTANT Ltd.","ip":null,"ip_country":null,"registrar":"Japan Registry Services","name_servers":["ns-absonne.ad.jp","ns0.kodansha.co.jp","ns1.kodansha.co.jp","ns3.kodansha.jp"],"domain_age_text":"24 years and 5 months"},"narrative":["kodansha.co.jp is live and passes 5 of 28 agentic-readiness checks (34%). It runs on nginx over HTTPS.","For AI agents, kodansha.co.jp's strongest signals are clean semantic HTML, tidy, crawlable markup, fully indexable pages, and an efficient render path.","Its main gaps are no canonical URL, no structured tables or lists, sparse entity coverage, and few clear definitions. The weakest area is Machine extraction; addressing it first would raise this score the most."],"publication":"index","verified":null,"method":"https://www.markosweb.com/methodology/"}