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https://zdf.de

Content

· 5 checks — Internal links, mixed-content guards, Open Graph previews, and structured data rolled into one auditable list.
SCORE
86
GRADE
B
FIX
1
REVIEW
1
PASS
3
INFO
0
Checks
5
3 PASS 1 REVIEW 1 FIX
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

60/100

Site name appears as

Page titleZDF Streaming-Portal: Filme, Serien und Dokus online anschauen
og:site_nameZDF
twitter:site@zdf
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

0/15

Contact info discoverable

0/10

no contact info discoverable

Findings

  • Brand name differs across channels — users see inconsistent identity
  • No Organization schema — Google can't render your logo in the knowledge panel
  • No discoverable contact info — trust signal is weak, legal risk is higher in regulated regions

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.zdf.de/assets/mt25-default-bg-100~1920x1080?cb=1754508646145
Info::
og:title is short (16 characters)
Ideal length is 25–60 characters for social sharing previews.
Got: 16 chars Expected: 25–60 chars
URL: https://www.zdf.de/assets/mt25-default-bg-100~1920x1080?cb=1754508646145

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: 16 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

Preview

zdf.de

Startseite - ZDF

Alle Videos und Livestreams im ZDF anschauen - ständig verfügbar und interaktiv! Entdecken Sie Filme, Serien, Sportevents, Dokumentationen und mehr!

Preview quality · Twitter/X A+ · 100/100
  • twitter:card — player
  • twitter:title — Startseite - ZDF
  • twitter:description — Alle Videos und Livestreams im ZDF anschauen - ständig verfügbar und interaktiv! Entdecken Sie Filme, Serien, Sportev...
  • twitter:image — https://www.zdf.de/assets/mt25-default-bg-100~1920x1080?cb=1754508646145

ZDF.DE

Startseite - ZDF

Alle Videos und Livestreams im ZDF anschauen - ständig verfügbar und interaktiv! Entdecken Sie Filme, Serien, Sportevents, Dokumentationen und mehr!

Preview quality · Facebook A+ · 100/100
  • og:title — Startseite - ZDF
  • og:description — Alle Videos und Livestreams im ZDF anschauen - ständig verfügbar und interaktiv! Entdecken Sie Filme, Serien, Sportev...
  • og:image — https://www.zdf.de/assets/mt25-default-bg-100~1920x1080?cb=1754508646145
  • og:type — video.other
  • og:url — https://www.zdf.de
  • og:site_name — ZDF

Startseite - ZDF

zdf.de

Preview quality · LinkedIn A+ · 100/100
  • og:title — Startseite - ZDF
  • og:description — Alle Videos und Livestreams im ZDF anschauen - ständig verfügbar und interaktiv! Entdecken Sie Filme, Serien, Sportev...
  • og:image — https://www.zdf.de/assets/mt25-default-bg-100~1920x1080?cb=1754508646145

zdf.de

Startseite - ZDF

Alle Videos und Livestreams im ZDF anschauen - ständig verfügbar und interaktiv! Entdecken Sie Filme, Serien, Sportevents, Dokumentationen und mehr!

Preview quality · Slack A+ · 100/100
  • og:title — Startseite - ZDF
  • og:description — Alle Videos und Livestreams im ZDF anschauen - ständig verfügbar und interaktiv! Entdecken Sie Filme, Serien, Sportev...
  • og:image — https://www.zdf.de/assets/mt25-default-bg-100~1920x1080?cb=1754508646145

Social preview quality

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

A+ · 100/100
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::
Missing recommended property "description" for WebSite
Adding "description" can improve how search engines display your content.

Adding "description" can improve how search engines display your content.

Why this matters

Recommended schema properties unlock richer SERP layouts — without them you get the basic rich result instead of the enhanced one.

Learn more ▾

Recommended properties expand what Google can render. E.g., adding aggregateRating to Product unlocks star ratings; adding image to Article unlocks the image-card variant. Each recommended property is a direct SERP-real-estate gain.

Source: Google Search Central / schema.org

JSON-LD Blocks

Block 1 : WebSite
6 properties Valid
{
  "@context": "https://schema.org",
  "@type": "WebSite",
  "url": "www.zdf.de",
  "name": "ZDF",
  "alternateName": "ZDF",
  "potentialAction": {
    "@type": "SearchAction",
    "query-input": "required name=search_term_string",
    "target": {
      "@type": "EntryPoint",
      "urlTemplate": "www.zdf.de/suche?q={search_term_string}"
    }
  }
}
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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