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https://duke.edu

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
1
PASS
4
INFO
0
Checks
5
4 PASS 1 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

59/100

Site name appears as

Page titleDuke University - Fueled by creativity, informed by scholarship
og:site_nameDuke University
twitter:site@dukeu
Organization.name—

Inconsistent — names differ across channels

Brand assets

Favicon

15/15

covers multiple sizes + apple-touch-icon

Social share image

14/20

og:image set; twitter:image missing

Meta completeness

20/20

Organization schema

0/15

Contact info discoverable

5/10

contact page

Findings

  • Brand name differs across channels — users see inconsistent identity
  • Add twitter:image — Twitter falls back to og:image only when it's larger than 300×157
  • No Organization schema — Google can't render your logo in the knowledge panel
  • 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.
Critical::
og:image is not reachable
The og:image URL could not be fetched. Social platforms won't be able to display it.
Got: https://www.duke.edu/wp-content/uploads/2025/12/20251212_duke.edu_share-scaled.jpg
Info::
og:title is short (15 characters)
Ideal length is 25–60 characters for social sharing previews.
Got: 15 chars Expected: 25–60 chars
Info::
og:description is short (45 characters)
Ideal length is 55–200 characters for social sharing previews.
Got: 45 chars Expected: 55–200 chars
URL: https://www.duke.edu/wp-content/uploads/2025/12/20251212_duke.edu_share-scaled.jpg

The og:image URL could not be fetched. Social platforms won't be able to display it.

Why this matters

An unreachable og:image URL (404, DNS fail, slow timeout) means social platforms cache the failure and serve no image for hours.

Learn more ▾

Social platforms (Facebook, Twitter) cache OG metadata aggressively — including failed image fetches. A momentarily-broken og:image can leave your shares imageless for hours. Test og:image URLs in Facebook's Sharing Debugger to force re-cache after fixing.

Source: Open Graph Protocol / Facebook Sharing Debugger

URL: 15 chars

Ideal length is 25–60 characters for social sharing previews.

Expected: 25–60 chars
Why this matters

og:title very short — may render with awkward whitespace in social cards.

Source: Open Graph Protocol

URL: 45 chars

Ideal length is 55–200 characters for social sharing previews.

Expected: 55–200 chars
Why this matters

og:description very short — provides little context in social cards.

Source: Open Graph Protocol

Preview

duke.edu

Duke University

Fueled by creativity, informed by scholarship

Preview quality · Twitter/X A · 85/100
  • twitter:card — summary_large_image
  • twitter:title — falling back from og:title
  • twitter:description — falling back from og:description
  • twitter:image — falling back from og:image

DUKE.EDU

Duke University

Fueled by creativity, informed by scholarship

Preview quality · Facebook A+ · 100/100
  • og:title — Duke University
  • og:description — Fueled by creativity, informed by scholarship
  • og:image — https://www.duke.edu/wp-content/uploads/2025/12/20251212_duke.edu_share-scaled.jpg
  • og:type — website
  • og:url — https://www.duke.edu/
  • og:site_name — Duke University

Duke University

duke.edu

Preview quality · LinkedIn A+ · 100/100
  • og:title — Duke University
  • og:description — Fueled by creativity, informed by scholarship
  • og:image — https://www.duke.edu/wp-content/uploads/2025/12/20251212_duke.edu_share-scaled.jpg

duke.edu

Duke University

Fueled by creativity, informed by scholarship

Preview quality · Slack A+ · 100/100
  • og:title — Duke University
  • og:description — Fueled by creativity, informed by scholarship
  • og:image — https://www.duke.edu/wp-content/uploads/2025/12/20251212_duke.edu_share-scaled.jpg

Social preview quality

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

A+ · 96/100
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 "CollectionPage" — unable to validate specific properties

JSON-LD Blocks

Block 1 : CollectionPage
2 properties Valid
{
  "@context": "https://schema.org",
  "@graph": [
    {
      "@type": "CollectionPage",
      "@id": "https://www.duke.edu/",
      "url": "https://www.duke.edu/",
      "name": "Duke University - Fueled by creativity, informed by scholarship",
      "isPartOf": {
        "@id": "https://www.duke.edu/#website"
      },
      "about": {
        "@id": "https://www.duke.edu/#organization"
      },
      "description": "Fueled by creativity, informed by scholarship",
      "breadcrumb": {
        "@id": "https://www.duke.edu/#breadcrumb"
      },
      "inLanguage": "en-US"
    },
    {
      "@type": "BreadcrumbList",
      "@id": "https://www.duke.edu/#breadcrumb",
      "itemListElement": [
        {
          "@type": "ListItem",
          "position": 1,
          "name": "Home"
        }
      ]
    },
    {
      "@type": "WebSite",
      "@id": "https://www.duke.edu/#website",
      "url": "https://www.duke.edu/",
      "name": "Duke University",
      "description": "Fueled by creativity, informed by scholarship",
      "publisher": {
        "@id": "https://www.duke.edu/#organization"
      },
      "potentialAction": [
        {
          "@type": "SearchAction",
          "target": {
            "@type": "EntryPoint",
            "urlTemplate": "https://www.duke.edu/?s={search_term_string}"
          },
          "query-input": {
            "@type": "PropertyValueSpecification",
            "valueRequired": true,
            "valueName": "search_term_string"
          }
        }
      ],
      "inLanguage": "en-US"
    },
    {
      "@type": "Organization",
      "@id": "https://www.duke.edu/#organization",
      "name": "Duke University",
      "alternateName": "Duke",
      "url": "https://www.duke.edu/",
      "logo": {
        "@type": "ImageObject",
        "inLanguage": "en-US",
        "@id": "https://www.duke.edu/#/schema/logo/image/",
        "url": "https://www.duke.edu/wp-content/uploads/2026/02/duke-logo.png",
        "contentUrl": "https://www.duke.edu/wp-content/uploads/2026/02/duke-logo.png",
        "width": 696,
        "height": 696,
        "caption": "Duke University"
      },
      "image": {
        "@id": "https://www.duke.edu/#/schema/logo/image/"
      },
      "sameAs": [
        "https://www.facebook.com/DukeUniv/",
        "https://x.com/dukeu",
        "https://instagram.com/dukeuniversity",
        "http://www.youtube.com/user/Duke",
        "https://www.linkedin.com/school/duke-university/",
        "https://www.tiktok.com/@dukeu"
      ]
    }
  ]
}
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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