Sigmoid HQ
(https://sigmoidhq.com) 📸 Data Snapshot: May 19, 2026Inspect 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.
A significant gap exists regarding the expertise of the staff; an instructor named ‘David’ is praised in reviews, but he lacks a last name, professional bio, or PGA certification mention in the text. Furthermore, the structured data is limited to basic WebPage and WebSite schema, failing to use LocalBusiness or Person schema to anchor the physical locations or professional expertise.
The marketing tone promises a ‘performance climate’ and ‘excellence in golf and beyond,’ yet the site demonstrates no measurable outcomes such as handicap improvements or player case studies. The disconnect lies between the high-end equipment claims and the lack of evidenced results from the training programs.
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 schema
{
"@context": "https://schema.org",
"@graph": [
{
"@type": "WebPage",
"@id": "https://sigmoidhq.com/",
"url": "https://sigmoidhq.com/",
"name": "Sigmoid HQ | Indoor Golf | Golf Simulators | Golf Lessons | Dublin",
"isPartOf": {
"@id": "https://sigmoidhq.com/#website"
},
"datePublished": "2018-07-25T15:43:01+00:00",
"dateModified": "2026-04-29T09:13:20+00:00",
"description": "Sigmoid HQ is an indoor golf performance centre in Dublin and home to 3 TrackMan Golf simulators, tour spec putting green, custom fitting service and a coffee bar.",
"breadcrumb": {
"@id": "https://sigmoidhq.com/#breadcrumb"
},
"inLanguage": "en-US",
"potentialAction": [
{
"@type": "ReadAction",
"target": [
"https://sigmoidhq.com/"
]
}
]
},
{
"@type": "BreadcrumbList",
"@id": "https://sigmoidhq.com/#breadcrumb",
"itemListElement": [
{
"@type": "ListItem",
"position": 1,
"name": "Home"
}
]
},
{
"@type": "WebSite",
"@id": "https://sigmoidhq.com/#website",
"url": "https://sigmoidhq.com/",
"name": "Sigmoid HQ Landing Page",
"description": "Indoor Golf Performance Centre Dublin",
"potentialAction": [
{
"@type": "SearchAction",
"target": {
"@type": "EntryPoint",
"urlTemplate": "https://sigmoidhq.com/?s={search_term_string}"
},
"query-input": {
"@type": "PropertyValueSpecification",
"valueRequired": true,
"valueName": "search_term_string"
}
}
],
"inLanguage": "en-US"
}
]
}
/sandyford/
{
"@context": "https://schema.org",
"@graph": [
{
"@type": "WebPage",
"@id": "https://sigmoidhq.com/sandyford/",
"url": "https://sigmoidhq.com/sandyford/",
"name": "Sigmoid HQ | Indoor Golf | Golf Simulators | Golf Lessons | Dublin",
"isPartOf": {
"@id": "https://sigmoidhq.com/sandyford/#website"
},
"primaryImageOfPage": {
"@id": "https://sigmoidhq.com/sandyford/#primaryimage"
},
"image": {
"@id": "https://sigmoidhq.com/sandyford/#primaryimage"
},
"thumbnailUrl": "https://sigmoidhq.com/sandyford/wp-content/uploads/sites/14/2025/03/GCA24-Digital-Accreditation-Mark-Winner_General-229x300-1.png",
"datePublished": "2018-07-25T15:43:01+00:00",
"dateModified": "2026-03-12T15:21:23+00:00",
"description": "Sigmoid HQ is an indoor golf performance centre in Dublin and home to 3 TrackMan Golf simulators, tour spec putting green, custom fitting service and a coffee bar.",
"breadcrumb": {
"@id": "https://sigmoidhq.com/sandyford/#breadcrumb"
},
"inLanguage": "en-US",
"potentialAction": [
{
"@type": "ReadAction",
"target": [
"https://sigmoidhq.com/sandyford/"
]
}
]
},
{
"@type": "ImageObject",
"inLanguage": "en-US",
"@id": "https://sigmoidhq.com/sandyford/#primaryimage",
"url": "https://sigmoidhq.com/sandyford/wp-content/uploads/sites/14/2024/12/GCA24-Digital-Accreditation-Mark-Winner_General.png",
"contentUrl": "https://sigmoidhq.com/sandyford/wp-content/uploads/sites/14/2024/12/GCA24-Digital-Accreditation-Mark-Winner_General.png",
"width": 600,
"height": 787
},
{
"@type": "BreadcrumbList",
"@id": "https://sigmoidhq.com/sandyford/#breadcrumb",
"itemListElement": [
{
"@type": "ListItem",
"position": 1,
"name": "Home"
}
]
},
{
"@type": "WebSite",
"@id": "https://sigmoidhq.com/sandyford/#website",
"url": "https://sigmoidhq.com/sandyford/",
"name": "Sigmoid HQ Sandyford",
"description": "Award Winning Indoor Golf Dublin",
"potentialAction": [
{
"@type": "SearchAction",
"target": {
"@type": "EntryPoint",
"urlTemplate": "https://sigmoidhq.com/sandyford/?s={search_term_string}"
},
"query-input": {
"@type": "PropertyValueSpecification",
"valueRequired": true,
"valueName": "search_term_string"
}
}
],
"inLanguage": "en-US"
}
]
}
/charlemont/
{
"@context": "https://schema.org",
"@graph": [
{
"@type": "WebPage",
"@id": "https://sigmoidhq.com/charlemont/",
"url": "https://sigmoidhq.com/charlemont/",
"name": "Sigmoid HQ | Indoor Golf | Golf Simulators | Golf Lessons | Dublin",
"isPartOf": {
"@id": "https://sigmoidhq.com/charlemont/#website"
},
"primaryImageOfPage": {
"@id": "https://sigmoidhq.com/charlemont/#primaryimage"
},
"image": {
"@id": "https://sigmoidhq.com/charlemont/#primaryimage"
},
"thumbnailUrl": "https://sigmoidhq.com/charlemont/wp-content/uploads/sites/5/2024/12/GCA24-Digital-Accreditation-Mark-Winner_General-229x300.png",
"datePublished": "2018-07-25T15:43:01+00:00",
"dateModified": "2026-03-12T15:42:40+00:00",
"description": "Sigmoid HQ is an indoor golf performance centre in Dublin and home to 3 TrackMan Golf simulators, tour spec putting green, custom fitting service and a coffee bar.",
"breadcrumb": {
"@id": "https://sigmoidhq.com/charlemont/#breadcrumb"
},
"inLanguage": "en-US",
"potentialAction": [
{
"@type": "ReadAction",
"target": [
"https://sigmoidhq.com/charlemont/"
]
}
]
},
{
"@type": "ImageObject",
"inLanguage": "en-US",
"@id": "https://sigmoidhq.com/charlemont/#primaryimage",
"url": "https://sigmoidhq.com/charlemont/wp-content/uploads/sites/5/2024/12/GCA24-Digital-Accreditation-Mark-Winner_General.png",
"contentUrl": "https://sigmoidhq.com/charlemont/wp-content/uploads/sites/5/2024/12/GCA24-Digital-Accreditation-Mark-Winner_General.png",
"width": 600,
"height": 787
},
{
"@type": "BreadcrumbList",
"@id": "https://sigmoidhq.com/charlemont/#breadcrumb",
"itemListElement": [
{
"@type": "ListItem",
"position": 1,
"name": "Home"
}
]
},
{
"@type": "WebSite",
"@id": "https://sigmoidhq.com/charlemont/#website",
"url": "https://sigmoidhq.com/charlemont/",
"name": "Sigmoid Golf Charlemont",
"description": "Award Winning Indoor Golf Centres in Dublin",
"potentialAction": [
{
"@type": "SearchAction",
"target": {
"@type": "EntryPoint",
"urlTemplate": "https://sigmoidhq.com/charlemont/?s={search_term_string}"
},
"query-input": {
"@type": "PropertyValueSpecification",
"valueRequired": true,
"valueName": "search_term_string"
}
}
],
"inLanguage": "en-US"
}
]
}
/gift-cards/
{
"@context": "https://schema.org",
"@graph": [
{
"@type": "WebSite",
"@id": "https://sigmoidhq.com/#website",
"url": "https://sigmoidhq.com/",
"name": "Sigmoid HQ Landing Page",
"description": "Indoor Golf Performance Centre Dublin",
"potentialAction": [
{
"@type": "SearchAction",
"target": {
"@type": "EntryPoint",
"urlTemplate": "https://sigmoidhq.com/?s={search_term_string}"
},
"query-input": {
"@type": "PropertyValueSpecification",
"valueRequired": true,
"valueName": "search_term_string"
}
}
],
"inLanguage": "en-US"
}
]
}
🛡️ Trust Signals — external proof links that back the declared identity
| Page | Reviews | Proof links |
|---|---|---|
| / (home) | 7 | 0 |
| /sandyford/ | 44 | 1 |
| /charlemont/ | 44 | 1 |
| /gift-cards/ | 5 | 1 |
This page presents a snapshot of public data from Sigmoid HQ, captured on May 19, 2026, to show how machine logic reads Identity & Authority signals into an AI reputation evaluation.
Purpose: This data is presented under “Fair Use” for the purpose of independent signal analysis, allowing readers to see the raw signals behind the reputation score.
Notice to Sigmoid HQ: This analysis is part of a non-adversarial audit conducted by 1 Euro SEO. The results are intended as professional feedback to help improve any website’s machine-readability and authority signals. The evaluation is free, and any company can request a fresh audit at any time.
Any company can use the insights for free and improve its voice. When a company has updated its content, it can always submit a new audit request, which will be reflected in a new current score.
To all users: You are encouraged to visit the live site at https://sigmoidhq.com to view the most current version of its content and see directly what this company is about and what it offers.