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Content

· 5 checks — Internal links, mixed-content guards, Open Graph previews, and structured data rolled into one auditable list.
SCORE
97
GRADE
A+
FIX
0
REVIEW
2
PASS
3
INFO
0
Checks
5
3 PASS 2 REVIEW
C
Brand Presence
Action
Site-name consistency, favicon, social image, meta tags, schema, and contact signals
REVIEW

Brand Presence

Your brand name differs across channels — visitors see inconsistent identity.

C

69/100

Site name appears as

Page titleDocker: Accelerated Container Application Development
og:site_nameDocker
twitter:site@Docker
Organization.name—

Inconsistent — names differ across channels

Brand assets

Favicon

15/15

covers multiple sizes + apple-touch-icon

Social share image

20/20

og:image + twitter:image set

Meta completeness

20/20

Organization schema

4/15

Organization schema present but missing all recommended fields

Contact info discoverable

5/10

contact page

Findings

  • Brand name differs across channels — users see inconsistent identity
  • Organization schema missing logo — add a logo property pointing to a square PNG
  • Organization schema missing url — point it at the canonical homepage
  • Consider adding contactPoint — helps appear in "contact us" rich results
  • Only partial contact info discoverable — consider adding a dedicated contact page or mailto/tel link

How consistently your brand appears across channels — shared link previews, structured data, favicon, contact info.

A+
Mixed Content
No mixed content detected — all resources use HTTPS.
PASS
No mixed content detected — all resources use HTTPS.
Info::
No mixed content detected — all resources use HTTPS
A+
Open Graph
Open Graph tags are well configured for social sharing.
PASS
Open Graph tags are well configured for social sharing.

Preview

docker.io

Docker: Accelerated Container Application Development

Docker is a platform designed to help developers build, share, and run container applications. We handle the tedious setup, so you can focus on the code.

Preview quality · Twitter/X A+ · 100/100
  • twitter:card — summary_large_image
  • twitter:title — Docker: Accelerated Container Application Development
  • twitter:description — Docker is a platform designed to help developers build, share, and run container applications. We handle the tedious ...
  • twitter:image — https://www.docker.com/app/uploads/2023/06/meta-image-homepage-1110x580.png

DOCKER.IO

Docker: Accelerated Container Application Development

Docker is a platform designed to help developers build, share, and run container applications. We handle the tedious setup, so you can focus on the code.

Preview quality · Facebook A+ · 100/100
  • og:title — Docker: Accelerated Container Application Development
  • og:description — Docker is a platform designed to help developers build, share, and run container applications. We handle the tedious ...
  • og:image — https://www.docker.com/app/uploads/2023/06/meta-image-homepage-1110x580.png
  • og:type — website
  • og:url — https://www.docker.com/
  • og:site_name — Docker

  • og:image is below recommended size (1110×580)

    → Upload an image ≥1200×630 for the large preview card

Docker: Accelerated Container Application Development

docker.io

Preview quality · LinkedIn A+ · 95/100

Description will be truncated (153 chars / 150 max)

  • og:title — Docker: Accelerated Container Application Development
  • og:description — Docker is a platform designed to help developers build, share, and run container applications. We handle the tedious ...
  • og:image — https://www.docker.com/app/uploads/2023/06/meta-image-homepage-1110x580.png

  • Description will be truncated on LinkedIn (153 chars, max 150)

    → Tighten og:description to ≤150 characters

docker.io

Docker: Accelerated Container Application Development

Docker is a platform designed to help developers build, share, and run container applications. We handle the tedious setup, so you can focus on the code.

Preview quality · Slack A+ · 100/100
  • og:title — Docker: Accelerated Container Application Development
  • og:description — Docker is a platform designed to help developers build, share, and run container applications. We handle the tedious ...
  • og:image — https://www.docker.com/app/uploads/2023/06/meta-image-homepage-1110x580.png

Social preview quality

Averaged across Twitter/X, Facebook, LinkedIn, and Slack.

A+ · 98/100
FieldTwitter/XFacebookLinkedInSlack
og:title
og:description
og:image
og:type
og:url
og:site_name
twitter:card———
twitter:title———
twitter:description———
twitter:image———
A+
Structured Data
1 JSON-LD block(s) found — structured data is well configured.
PASS
1 JSON-LD block(s) found — structured data is well configured.
Info::
Custom type "Corporation" — unable to validate specific properties

JSON-LD Blocks

Block 1 : Corporation
2 properties Valid
{
  "@context": "https://schema.org",
  "@graph": [
    {
      "@type": "Corporation",
      "@id": "https://www.docker.com/#organization",
      "name": "Docker",
      "url": "https://www.docker.com",
      "sameAs": [
        "https://www.facebook.com/docker.run",
        "https://twitter.com/Docker"
      ],
      "logo": {
        "@type": "ImageObject",
        "@id": "https://www.docker.com/#logo",
        "url": "https://www.docker.com/app/uploads/2022/05/Docker_Temporary_Image_Google_Blue_1080x1080_v1.png",
        "contentUrl": "https://www.docker.com/app/uploads/2022/05/Docker_Temporary_Image_Google_Blue_1080x1080_v1.png",
        "caption": "Docker",
        "inLanguage": "en-US"
      }
    },
    {
      "@type": "WebSite",
      "@id": "https://www.docker.com/#website",
      "url": "https://www.docker.com",
      "name": "Docker",
      "publisher": {
        "@id": "https://www.docker.com/#organization"
      },
      "inLanguage": "en-US",
      "potentialAction": {
        "@type": "SearchAction",
        "target": "https://www.docker.com/?s={search_term_string}",
        "query-input": "required name=search_term_string"
      }
    },
    {
      "@type": "ImageObject",
      "@id": "https://www.docker.com/app/uploads/2023/06/meta-image-homepage.png",
      "url": "https://www.docker.com/app/uploads/2023/06/meta-image-homepage.png",
      "width": "2400",
      "height": "1254",
      "inLanguage": "en-US"
    },
    {
      "@type": "WebPage",
      "@id": "https://www.docker.com/#webpage",
      "url": "https://www.docker.com/",
      "name": "Docker: Accelerated Container Application Development",
      "datePublished": "2025-04-09T11:34:04-07:00",
      "dateModified": "2026-03-12T11:50:53-07:00",
      "about": {
        "@id": "https://www.docker.com/#organization"
      },
      "isPartOf": {
        "@id": "https://www.docker.com/#website"
      },
      "primaryImageOfPage": {
        "@id": "https://www.docker.com/app/uploads/2023/06/meta-image-homepage.png"
      },
      "inLanguage": "en-US"
    },
    {
      "@type": "Person",
      "@id": "https://www.docker.com/author/simeonr/",
      "name": "Simeon Ratliff",
      "url": "https://www.docker.com/author/simeonr/",
      "image": {
        "@type": "ImageObject",
        "@id": "https://secure.gravatar.com/avatar/79dbc04ffb7b4baec50019366726aa872e08550d053578048ba37c07459939ab?s=96&d=mm&r=g",
        "url": "https://secure.gravatar.com/avatar/79dbc04ffb7b4baec50019366726aa872e08550d053578048ba37c07459939ab?s=96&d=mm&r=g",
        "caption": "Simeon Ratliff",
        "inLanguage": "en-US"
      },
      "worksFor": {
        "@id": "https://www.docker.com/#organization"
      }
    },
    {
      "headline": "Docker: Accelerated Container Application Development",
      "description": "Docker is a platform designed to help developers build, share, and run container applications. We handle the tedious setup, so you can focus on the code.",
      "datePublished": "2025-04-09T11:34:04-07:00",
      "dateModified": "2026-03-12T11:50:53-07:00",
      "keywords": "docker",
      "image": {
        "@id": "https://www.docker.com/app/uploads/2023/06/meta-image-homepage.png"
      },
      "author": {
        "@id": "https://www.docker.com/author/simeonr/",
        "name": "Simeon Ratliff"
      },
      "@type": "Article",
      "name": "Docker: Accelerated Container Application Development",
      "@id": "https://www.docker.com/#schema-1585677",
      "isPartOf": {
        "@id": "https://www.docker.com/#webpage"
      },
      "publisher": {
        "@id": "https://www.docker.com/#organization"
      },
      "inLanguage": "en-US",
      "mainEntityOfPage": {
        "@id": "https://www.docker.com/#webpage"
      }
    },
    {
      "@type": "VideoObject",
      "name": "Docker: Accelerated Container Application Development",
      "description": "Docker is a platform designed to help developers build, share, and run container applications. We handle the tedious setup, so you can focus on the code.",
      "uploadDate": "2025-04-09T11:34:04-07:00",
      "contentUrl": "/app/uploads/brand/background/DOCKER_hero_loop_opacity-reduction-25percent_GRAY_10_31_25.mp4",
      "isFamilyFriendly": "True",
      "@id": "https://www.docker.com/#schema-1587980",
      "isPartOf": {
        "@id": "https://www.docker.com/#webpage"
      },
      "publisher": {
        "@id": "https://www.docker.com/#organization"
      },
      "inLanguage": "en-US",
      "mainEntityOfPage": {
        "@id": "https://www.docker.com/#webpage"
      }
    },
    {
      "@type": "VideoObject",
      "name": "Docker: Accelerated Container Application Development",
      "description": "Docker is a platform designed to help developers build, share, and run container applications. We handle the tedious setup, so you can focus on the code.",
      "uploadDate": "2025-04-09T11:34:04-07:00",
      "contentUrl": "/app/uploads/2025/11/AgenticCompose-web-1080.mp4",
      "isFamilyFriendly": "True",
      "@id": "https://www.docker.com/#schema-1587981",
      "isPartOf": {
        "@id": "https://www.docker.com/#webpage"
      },
      "publisher": {
        "@id": "https://www.docker.com/#organization"
      },
      "inLanguage": "en-US",
      "mainEntityOfPage": {
        "@id": "https://www.docker.com/#webpage"
      }
    }
  ]
}
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.

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