STP
(https://stp.com) 📸 Data Snapshot: May 25, 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.
Authority is primarily derived from the 1954 founding date and the parent company, Energizer Holdings, Inc. However, there is a technical credibility gap as the schema_json lacks specific Organization or Brand properties and SameAs links to verifiable independent reviews or corporate filings. No individual experts or scientists are named, leaving the ‘Science’ part of the brand name as an unbacked authority claim.
The boldest performance claims, such as ‘Science. Technology. Performance.’, lack a corresponding data-driven demonstration in the text. While the site mentions ‘complex technology,’ it fails to provide specific ASTM test results or peer-reviewed data to bridge the gap between marketing tone and technical substance.
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://stp.com/",
"url": "https://stp.com/",
"name": "Home Page - STP® - Science. Technology. Performance.",
"isPartOf": {
"@id": "https://stp.com/#website"
},
"primaryImageOfPage": {
"@id": "https://stp.com/#primaryimage"
},
"image": {
"@id": "https://stp.com/#primaryimage"
},
"thumbnailUrl": "https://stpcdnimage.imgix.net/wp-content/uploads/2025/03/Fuel-Additives.avif",
"datePublished": "2025-04-09T04:18:22+00:00",
"dateModified": "2026-04-02T06:23:56+00:00",
"description": "Learn more about STP® products and use our helpful vehicle maintenance guides for tips on how to keep your vehicle running stronger for longer.",
"breadcrumb": {
"@id": "https://stp.com/#breadcrumb"
},
"inLanguage": "en-US",
"potentialAction": [
{
"@type": "ReadAction",
"target": [
"https://stp.com/"
]
}
]
},
{
"@type": "ImageObject",
"inLanguage": "en-US",
"@id": "https://stp.com/#primaryimage",
"url": "https://stpcdnimage.imgix.net/wp-content/uploads/2025/03/Fuel-Additives.avif",
"contentUrl": "https://stpcdnimage.imgix.net/wp-content/uploads/2025/03/Fuel-Additives.avif"
},
{
"@type": "BreadcrumbList",
"@id": "https://stp.com/#breadcrumb",
"itemListElement": [
{
"@type": "ListItem",
"position": 1,
"name": "Home"
}
]
},
{
"@type": "WebSite",
"@id": "https://stp.com/#website",
"url": "https://stp.com/",
"name": "STP® US",
"description": "Science. Technology. Performance",
"potentialAction": [
{
"@type": "SearchAction",
"target": {
"@type": "EntryPoint",
"urlTemplate": "https://stp.com/?s={search_term_string}"
},
"query-input": {
"@type": "PropertyValueSpecification",
"valueRequired": true,
"valueName": "search_term_string"
}
}
],
"inLanguage": "en-US"
}
]
}
/product/ultra-5-in-1-fuel-system-cleaner/
{
"@context": "https://schema.org",
"@graph": [
{
"@type": "WebPage",
"@id": "https://stp.com/product/ultra-5-in-1-fuel-system-cleaner/",
"url": "https://stp.com/product/ultra-5-in-1-fuel-system-cleaner/",
"name": "Ultra 5-in-1 Diesel System Cleaner | STP®",
"isPartOf": {
"@id": "https://stp.com/#website"
},
"datePublished": "2025-07-03T04:31:26+00:00",
"dateModified": "2025-08-06T04:31:46+00:00",
"description": "Keep your diesel vehicle running smoother for longer with STP® Ultra 5-In-1 Diesel System Cleaner. It’s designed to help restore your car to its best.",
"breadcrumb": {
"@id": "https://stp.com/product/ultra-5-in-1-fuel-system-cleaner/#breadcrumb"
},
"inLanguage": "en-US",
"potentialAction": [
{
"@type": "ReadAction",
"target": [
"https://stp.com/product/ultra-5-in-1-fuel-system-cleaner/"
]
}
]
},
{
"@type": "BreadcrumbList",
"@id": "https://stp.com/product/ultra-5-in-1-fuel-system-cleaner/#breadcrumb",
"itemListElement": [
{
"@type": "ListItem",
"position": 1,
"name": "Home",
"item": "https://stp.com/"
},
{
"@type": "ListItem",
"position": 2,
"name": "Products",
"item": "https://stp.com/products/"
},
{
"@type": "ListItem",
"position": 3,
"name": "Engine & Fuel Systems",
"item": "https://stp.com/products/engine-fuel-systems/"
},
{
"@type": "ListItem",
"position": 4,
"name": "Ultra 5-In-1 Fuel System Cleaner"
}
]
},
{
"@type": "WebSite",
"@id": "https://stp.com/#website",
"url": "https://stp.com/",
"name": "STP® US",
"description": "Science. Technology. Performance",
"potentialAction": [
{
"@type": "SearchAction",
"target": {
"@type": "EntryPoint",
"urlTemplate": "https://stp.com/?s={search_term_string}"
},
"query-input": {
"@type": "PropertyValueSpecification",
"valueRequired": true,
"valueName": "search_term_string"
}
}
],
"inLanguage": "en-US"
}
]
}
/about-us/
{
"@context": "https://schema.org",
"@graph": [
{
"@type": "WebPage",
"@id": "https://stp.com/about-us/",
"url": "https://stp.com/about-us/",
"name": "About Us - STP® US",
"isPartOf": {
"@id": "https://stp.com/#website"
},
"primaryImageOfPage": {
"@id": "https://stp.com/about-us/#primaryimage"
},
"image": {
"@id": "https://stp.com/about-us/#primaryimage"
},
"thumbnailUrl": "https://stp.com/wp-content/uploads/2025/04/test-history.jpg",
"datePublished": "2025-04-01T11:48:48+00:00",
"dateModified": "2025-06-27T11:29:31+00:00",
"breadcrumb": {
"@id": "https://stp.com/about-us/#breadcrumb"
},
"inLanguage": "en-US",
"potentialAction": [
{
"@type": "ReadAction",
"target": [
"https://stp.com/about-us/"
]
}
]
},
{
"@type": "ImageObject",
"inLanguage": "en-US",
"@id": "https://stp.com/about-us/#primaryimage",
"url": "https://stpcdnimage.imgix.net/wp-content/uploads/2025/04/test-history.jpg?auto=format%2Ccompress",
"contentUrl": "https://stpcdnimage.imgix.net/wp-content/uploads/2025/04/test-history.jpg?auto=format%2Ccompress",
"width": 762,
"height": 427
},
{
"@type": "BreadcrumbList",
"@id": "https://stp.com/about-us/#breadcrumb",
"itemListElement": [
{
"@type": "ListItem",
"position": 1,
"name": "Home",
"item": "https://stp.com/"
},
{
"@type": "ListItem",
"position": 2,
"name": "About Us"
}
]
},
{
"@type": "WebSite",
"@id": "https://stp.com/#website",
"url": "https://stp.com/",
"name": "STP® US",
"description": "Science. Technology. Performance",
"potentialAction": [
{
"@type": "SearchAction",
"target": {
"@type": "EntryPoint",
"urlTemplate": "https://stp.com/?s={search_term_string}"
},
"query-input": {
"@type": "PropertyValueSpecification",
"valueRequired": true,
"valueName": "search_term_string"
}
}
],
"inLanguage": "en-US"
}
]
}
/products/lawn-and-garden/
{
"@context": "https://schema.org",
"@graph": [
{
"@type": "CollectionPage",
"@id": "https://stp.com/products/products/maintenance-other/lawn-and-garden/",
"url": "https://stp.com/products/products/maintenance-other/lawn-and-garden/",
"name": "LAWN and GARDEN Archives - STP® US",
"isPartOf": {
"@id": "https://stp.com/#website"
},
"breadcrumb": {
"@id": "https://stp.com/products/products/maintenance-other/lawn-and-garden/#breadcrumb"
},
"inLanguage": "en-US"
},
{
"@type": "BreadcrumbList",
"@id": "https://stp.com/products/products/maintenance-other/lawn-and-garden/#breadcrumb",
"itemListElement": [
{
"@type": "ListItem",
"position": 1,
"name": "Home",
"item": "https://stp.com/"
},
{
"@type": "ListItem",
"position": 2,
"name": "Products",
"item": "https://stp.com/products/"
},
{
"@type": "ListItem",
"position": 3,
"name": "Maintenance & Other",
"item": "https://stp.com/products/maintenance-other/"
},
{
"@type": "ListItem",
"position": 4,
"name": "LAWN and GARDEN"
}
]
},
{
"@type": "WebSite",
"@id": "https://stp.com/#website",
"url": "https://stp.com/",
"name": "STP® US",
"description": "Science. Technology. Performance",
"potentialAction": [
{
"@type": "SearchAction",
"target": {
"@type": "EntryPoint",
"urlTemplate": "https://stp.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) | 3 | 2 |
| /product/ultra-5-in-1-fuel-system-cleaner/ | 3 | 2 |
| /about-us/ | 3 | 2 |
| /products/lawn-and-garden/ | 8 | 2 |
This page presents a snapshot of public data from STP, captured on May 25, 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 STP: 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://stp.com to view the most current version of its content and see directly what this company is about and what it offers.