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· 9 checks — Internal links, mixed-content guards, Open Graph previews, and structured data rolled into one auditable list.
SCORE
86
GRADE
B
FIX
2
REVIEW
1
PASS
6
INFO
0
Checks
9
6 PASS 1 REVIEW 2 FIX
F
Image Optimization
Action
6 issues found across 15 images
FIX
6 issues found across 15 images
Warning::
2 images significantly larger than display size
Resizing to display dimensions could save approximately 0 KB.
Got: ~0 KB wasted
Warning::
15 images missing explicit width/height
Images without dimensions cause layout shifts (CLS). Set explicit width and height attributes.
Info::
13 below-fold images missing loading="lazy"
Lazy loading defers below-fold images, reducing initial page weight.
Warning::
All 14 images use legacy formats (JPEG/PNG/GIF)
WebP offers 25-35% smaller files than JPEG. Use <picture> with <source type="image/webp"> for modern format support.
Info::
1 image(s) wider than 400px without srcset (no responsive serving)
These images deliver the same asset to every viewport (mobile, tablet, retina). Adding srcset / <picture> lets the browser pick a viewport-appropriate variant and typically saves 40-70% of bytes on mobile. Sample: https://www.party-schlaudt.de/layout/callisto_3/img/de-pp_plus-logo-quer_mit_PUI_540x60px.png.
Info::
1 image(s) rendered at a different aspect ratio than the source
The displayed dimensions distort the source -- CSS is forcing the image into a container at the wrong ratio, producing visible stretching or squashing. Either crop the source to match or use object-fit: cover (and accept the crop). Sample: https://cdn02.plentymarkets.com/s8ix3rhxk064/frontend/Startseite/Slider/Ballons1last.jpg.
D
Brand Presence
Action
Site-name consistency, favicon, social image, meta tags, schema, and contact signals
FIX

Brand Presence

Partial brand coverage — a few channels are missing brand signals.

D

40/100

Site name appears as

Page titleStoffe |
og:site_name
twitter:site
Organization.name

Consistent

Brand assets

Favicon

8/15

single size only

Social share image

14/20

og:image set; twitter:image missing

Meta completeness

8/20

Organization schema

0/15

Contact info discoverable

5/10

contact page

Findings

  • Missing brand name in: og:site_name, twitter:site, Organization.name
  • Add twitter:image — Twitter falls back to og:image only when it's larger than 300×157
  • Single favicon only — add apple-touch-icon for iOS home-screen and high-DPI support
  • twitter:card 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
Open Graph
Action
Open Graph tags are partially configured — some improvements recommended.
REVIEW
Open Graph tags are partially configured — some improvements recommended.
Warning::
Missing og:description
The og:description tag controls the description in social sharing previews.
Info::
Missing og:site_name
The og:site_name tag displays the website name in social previews.
Info::
Missing twitter:card
Without twitter:card, Twitter falls back to Open Graph tags. Adding it gives you more control.

The og:description tag controls the description in social sharing previews.

Why this matters

No og:description means social cards either show no subtitle or scrape the first paragraph — usually unflattering.

Learn more

Without og:description, social platforms either render no subtitle or pull whatever text appears first on the page. The first paragraph is rarely written for share-card context. A purpose-written 150-200 character og:description gives a polished card.

Source: Open Graph Protocol

The og:site_name tag displays the website name in social previews.

Why this matters

Without og:site_name, social cards omit the brand attribution — users see the post but not who published it.

Learn more

og:site_name appears in the social card chrome (above the title in Facebook/LinkedIn previews). Without it, posts read as anonymous URLs. Set it to your brand name to get free attribution on every share.

Source: Open Graph Protocol

Without twitter:card, Twitter falls back to Open Graph tags. Adding it gives you more control.

Why this matters

Without twitter:card, Twitter renders posts as plain text — no preview image, no structured layout.

Learn more

Twitter requires `<meta name="twitter:card" content="summary_large_image">` (or summary) to render share-cards at all. Without it, links appear as raw text and engagement plummets vs cards. Twitter also falls back to og:image if twitter:image isn't set, so configure both.

Source: Twitter Developer Platform

Preview

www.party-schlaudt.de

Party Schlaudt GmbH | Kostüme | Deko | Stoffe |

No description

Preview quality · Twitter/X F · 40/100
  • twitter:card — Add <meta name="twitter:card" content="summary_large_image">
  • twitter:title — falling back from og:title
  • twitter:description — Add twitter:description to give the preview body text
  • twitter:image — falling back from og:image
  • twitter:card is missing

    → Add <meta name="twitter:card" content="summary_large_image">

WWW.PARTY-SCHLAUDT.DE

Party Schlaudt GmbH | Kostüme | Deko | Stoffe |

No description

Preview quality · Facebook C · 70/100
  • og:title — Party Schlaudt GmbH | Kostüme | Deko | Stoffe |
  • og:description — Add og:description to give the preview body text
  • og:image — https://cdn02.plentymarkets.com/s8ix3rhxk064/frontend/logo-party-schlaudt-h.jpg
  • og:type — article
  • og:url — https://www.party-schlaudt.de/
  • og:site_name — Add og:site_name — Recommended — site-level brand line in the preview

Party Schlaudt GmbH | Kostüme | Deko | Stoffe |

www.party-schlaudt.de

Preview quality · LinkedIn A · 85/100
  • og:title — Party Schlaudt GmbH | Kostüme | Deko | Stoffe |
  • og:description — Add og:description to give the preview body text
  • og:image — https://cdn02.plentymarkets.com/s8ix3rhxk064/frontend/logo-party-schlaudt-h.jpg

www.party-schlaudt.de

Party Schlaudt GmbH | Kostüme | Deko | Stoffe |

No description

Preview quality · Slack A · 85/100
  • og:title — Party Schlaudt GmbH | Kostüme | Deko | Stoffe |
  • og:description — Add og:description to give the preview body text
  • og:image — https://cdn02.plentymarkets.com/s8ix3rhxk064/frontend/logo-party-schlaudt-h.jpg

Social preview quality

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

C · 70/100
FieldTwitter/XFacebookLinkedInSlack
og:title
og:description
og:image
og:type
og:url
og:site_name
twitter:card
twitter:title
twitter:description
twitter:image
A+
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 / Twitter Card Depth
OG image dimensions and Twitter card configuration look healthy
PASS
OG image dimensions and Twitter card configuration look healthy
Info::
OG/Twitter Card depth is clean -- dimensions, card type, and inheritance all valid
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.
Warning::
Missing required property "name" for WebSite
The "name" property is required for the WebSite schema type.
Info::
Missing recommended property "description" for WebSite
Adding "description" can improve how search engines display your content.

The "name" property is required for the WebSite schema type.

Why this matters

Schema markup missing required properties is silently rejected by Google — your structured data appears in source but never as a rich result.

Learn more

Each schema.org type has required properties (Article needs headline + author + datePublished; Product needs name + offers; etc.). Missing them means Google's rich-result eligibility check fails. The Search Console Rich Results Test surfaces specific gaps. Fix the missing property; rich results re-appear within hours.

Source: Google Search Central / schema.org

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
4 properties Valid
Missing required property: name
{
  "@context": "http://schema.org",
  "@type": "WebSite",
  "url": "https://www.party-schlaudt.de/",
  "potentialAction": {
    "@type": "SearchAction",
    "target": "https://www.party-schlaudt.de/search?query={search_term}",
    "query-input": "required name=search_term"
  }
}
A+
Rich Results Eligibility
1 JSON-LD block(s) declaring 1 schema type(s)
PASS
1 JSON-LD block(s) declaring 1 schema type(s)
Info::
SiteLinks Search Box markup detected
The page declares a `WebSite` schema with a `potentialAction` of `SearchAction`. This makes the homepage eligible for Google's in-SERP search box -- a high-visibility SERP feature for branded queries.
Info::
1 rich-result schema type(s) declared
Inventory of structured-data types on the page (each may unlock a different SERP feature): WebSite Search engines decide whether to render rich results based on content quality + page-level signals; declaring the schema is necessary but not sufficient.
A+
Autoplay Media
No autoplay media on the page
PASS
No autoplay media on the page
Info::
No autoplay media on the page
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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