Identity & Authority: Shiro Teshima and Company (シローテシマアンドカンパニー) – Signal Evidence & AI Readability

Shiro Teshima and Company (シローテシマアンドカンパニー)

(https://teshima.jp) 📸 Data Snapshot: June 19, 2026
Identity & Authority — The Lens

Inspect the JSON-LD. Is there an Organization or Person schema, and does it carry sameAs links to real external profiles (LinkedIn, socials)? Missing schema or no identity declaration signals an anonymous entity.

Identity & Authority Expert verifiability & Schema depth.
0 Impact Weight: 15 / 100
0% Reputation

There are severe authority gaps due to the total absence of JSON-LD structured data and the three-year-old stale copyright date of 2023. While Shiro Teshima is named as a principal, there is no digital footprint, Person schema, or LinkedIn sameAs link to verify professional standing. The technical implementation is critically weak, lacking basic SEO structures like H1 tags, which undermines its status as an ‘authority’ in the windsurfing field.

The site makes performance claims such as ‘remarkable lightness’ for its sails without providing technical specifications or weight comparisons to back it up. The claim that they have ‘expanded’ into rental services is weakened by the admission that the online infrastructure for this service is non-functional. The marketing tone suggests an active, evolving business, but the static and technically neglected state of the page suggests otherwise.

Identity & Authority is read from the structured data first: whether the site declares who it is in machine-readable schema, with verifiable identity links. Below is the schema captured per page, then the external proof links that support (or fail to support) that identity.

🔗 Identity & Technical Layer — schema JSON-LD: identity chains, entity gaps
Homepage — no schema detected (entity gap)
🛡️ Trust Signals — external proof links that back the declared identity
1Review mentions (all pages)
0External proof links (all pages)
PageReviewsProof links
/ (home) 1 0
Explore the other reputation pillars for Shiro Teshima and Company (シローテシマアンドカンパニー)