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· 5 checks — Internal links, mixed-content guards, Open Graph previews, and structured data rolled into one auditable list.
SCORE
69
GRADE
D
FIX
2
REVIEW
2
PASS
1
INFO
0
Checks
5
1 PASS 2 REVIEW 2 FIX
F
Open Graph
Action
No Open Graph tags found — social sharing previews will be generic.
FIX
No Open Graph tags found — social sharing previews will be generic.
Warning::
No Open Graph meta tags found
Without og:title, og:description, and og:image, social media platforms will generate a generic preview when your page is shared.

Without og:title, og:description, and og:image, social media platforms will generate a generic preview when your page is shared.

Why this matters

Without Open Graph tags, social shares show a broken or empty preview card.

Learn more ▾

When someone shares your URL on Facebook, LinkedIn, Slack, iMessage, or any modern chat app, the preview comes from <meta property="og:*"> tags. Without them you get either no card or whatever fragment the social platform guesses — usually unflattering. The four core og: tags (title, description, image, url) cover what every major platform actually reads.

Source: Open Graph Protocol

Preview

No image set

uibk.ac.at

No title set

No description

Preview quality · Twitter/X F · 40/100

Title will be truncated (86 chars / 70 max)

  • twitter:card — summary_large_image
  • twitter:title — falling back from <title>
  • twitter:description — Add twitter:description to give the preview body text
  • twitter:image — Add twitter:image — preview card without an image looks broken

  • Title will be truncated on Twitter/X (86 chars, max 70)

    → Shorten the title to ≤70 characters

  • No preview image for Twitter/X

    → Add og:image or twitter:image (≥300×157 for summary_large_image)

No image set

UIBK.AC.AT

No title set

No description

Preview quality · Facebook F · 0/100

Title will be truncated (86 chars / 60 max)

  • og:title — falling back from <title>
  • og:description — Add og:description to give the preview body text
  • og:image — Add og:image — preview card without an image looks broken
  • og:type — Add og:type — Recommended — tells Facebook the content category
  • og:url — Add og:url — Recommended — canonical URL for the share
  • og:site_name — Add og:site_name — Recommended — site-level brand line in the preview

  • Title will be truncated on Facebook (86 chars, max 60)

    → Shorten og:title to ≤60 characters

  • No preview image for Facebook

    → Add og:image (recommended 1200×630)

No image set

No title set

uibk.ac.at

Preview quality · LinkedIn F · 45/100
  • og:title — falling back from <title>
  • og:description — Add og:description to give the preview body text
  • og:image — Add og:image — preview card without an image looks broken

  • No preview image for LinkedIn

    → Add og:image (recommended 1200×627)

uibk.ac.at

No title set

No description

Preview quality · Slack D · 60/100
  • og:title — falling back from <title>
  • og:description — Add og:description to give the preview body text
  • og:image — Add og:image — preview card without an image looks broken

  • No preview image — Slack unfurl will be text-only

    → Add og:image or twitter:image

Social preview quality

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

F · 36/100
FieldTwitter/XFacebookLinkedInSlack
og:title⚠⚠⚠
og:description
og:image
og:type
og:url
og:site_name
twitter:card———
twitter:title⚠———
twitter:description———
twitter:image———
F
Brand Presence
Action
Site-name consistency, favicon, social image, meta tags, schema, and contact signals
FIX

Brand Presence

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

F

26/100

Site name appears as

Page titleUniversität Innsbruck
og:site_name—
twitter:site@uniinnsbruck
Organization.name—

Inconsistent — names differ across channels

Brand assets

Favicon

8/15

single size only

Social share image

0/20

Meta completeness

8/20

Organization schema

0/15

Contact info discoverable

5/10

tel link

Findings

  • Brand name differs across channels — users see inconsistent identity
  • No social share image — shared links render as bare URLs
  • Single favicon only — add apple-touch-icon for iOS home-screen and high-DPI support
  • og:title missing
  • og:image missing
  • 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.

C
Structured Data
Action
1 JSON-LD block(s) found — some improvements recommended.
REVIEW
1 JSON-LD block(s) found — some improvements recommended.
Critical::
Malformed JSON-LD block #1
JSON parse error: Mismatch type map[string]interface {} with value array "at index 0: mismatched type with value\n\n\t[{\"@context\": \"https://schema.or\n\t^...............................\n"

JSON parse error: Mismatch type map[string]interface {} with value array "at index 0: mismatched type with value\n\n\t[{\"@context\": \"https://schema.or\n\t^...............................\n"

Why this matters

JSON-LD block fails to parse — Google ignores the entire block, so structured data effectively isn't there.

Learn more ▾

Common causes: trailing comma, single quotes instead of double, unescaped quote in a string value. Validate at https://validator.schema.org/ or Search Console's Rich Results Test.

Source: schema.org / Google Search Central

JSON-LD Blocks

Block 1 : VideoObject
0 properties Invalid
Invalid JSON: Mismatch type map[string]interface {} with value array "at index 0: mismatched type with value\n\n\t[{\"@context\": \"https://schema.or\n\t^...............................\n"
[
  {
    "@context": "https://schema.org",
    "@type": "VideoObject",
    "@id": "http://www.uibk.ac.at/de/#uibk-video-18595682",
    "url": "http://www.uibk.ac.at/de/",
    "name": "dfgyd",
    "description": "dggfd",
    "thumbnailUrl": "https://www.uibk.ac.at/media/filer_public/00/5b/005b611d-3662-4713-b1b0-988884bdc924/universitaet-innsbruck-imagefilm-poster.jpg",
    "uploadDate": "2026-04-22T16:23:04.095961+02:00",
    "contentUrl": "https://www.uibk.ac.at/media/filer_public/67/69/67691a1a-8618-4b9d-bd5a-68aa7e9d7bff/universitaet-innsbruck.mp4"
  }
]
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
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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