Aktualisierungsdatum der Seitenanalyse:2026/03/31 13:39:54
Datum der letzten Whois-Aktualisierung:2026/01/28 13:57:12
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07.08.2026
Erhältlich ab
06.09.2026
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home.cern Website-Screenshot
SEO-Score
54.79%
80
Punktzahl erreicht
146
Maximale Punktzahl
Hauptinformationen
ℹ️
Titel: Home | CERN
Beschreibung: CERN, the European Organization for Nuclear Research, is one of the world’s largest and most respected centres for scientific research. Its business is fundamental physics, finding out what the Universe is made of and how it works.
name: description content: CERN, the European Organization for Nuclear Research, is one of the world’s largest and most respected centres for scientific research. Its business is fundamental physics, finding out what the Universe is made of and how it works.
Domain Name: HOME.CERN Registrar: CSC Corporate Domains, Inc. Domain Status: client transfer prohibited Registry Expiry Date: 2026-08-07T12:53:20.047Z Creation Date: 2015-08-07T12:53:20.047Z Updated Date: 2025-08-18T16:58:39.896Z Name Server: EXT-DNS-1.CERN.CH Name Server: EXT-DNS-2.CERN.CH REGISTRAR Contact: CSC Corporate Domains, Inc. >>> Last update of RDAP database: 2026-01-28T16:57:12Z
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# robots.txt
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# of your site by web crawlers and spiders run by sites like Yahoo!
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#
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# CSS, JS, Images
Allow: /core/*.css$
Allow: /core/*.css?
Allow: /core/*.js$
Allow: /core/*.js?
Allow: /core/*.gif
Allow: /core/*.jpg
Allow: /core/*.jpeg
Allow: /core/*.png
Allow: /core/*.svg
Allow: /profiles/*.css$
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Disallow: /web.config
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SEO-Audit
🔍
Technisches SEO
✓
Antwortcode
200
Status 200 OK – Seite wird korrekt geladen.
✓
Zeichenkodierung
Page: utf-8, Header: utf-8
Konsistente Zeichenkodierung zwischen HTML und Headern.
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Seitengröße
159654 bytes
Seitengröße für schnelles Laden akzeptabel.
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Ressourcen
133 total
Zu viele Ressourcen. Optimieren und kombinieren Sie Dateien für eine bessere Leistung.
✓
Hreflang-Tags
2 hreflang tags
Hreflang-Tags für mehrsprachiges SEO gefunden.
✓
Robots.txt
Exists
Robots.txt-Datei gefunden.
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Sitemap
Not found
Fügen Sie sitemap.xml hinzu und verweisen Sie darauf in robots.txt.
✓
HTTPS
Yes
Sichere HTTPS-Verbindung aktiviert.
✓
Kompression
gzip
Gzip- oder Zstd-Komprimierung für schnelleres Laden aktiviert.
✓
Caching
max-age=60, public
private
Cache-Control-Header richtig gesetzt.
✓
Seitengeschwindigkeit
2.35 ms
Hervorragende Ladegeschwindigkeit.
On-Page-SEO
!
Titel
Home | CERN
Titel zu kurz. Für bessere SEO auf 30–60 Zeichen erweitern.
!
Meta-Beschreibung
CERN, the European Organization for Nuclear Research, is one of the world’s largest and most respected centres for scientific research. Its business is fundamental physics, finding out what the Universe is made of and how it works. Lenght:231
Meta-Beschreibung zu lang. Auf 100-160 Zeichen reduzieren.
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H1-Überschrift
6 found - "CERN
Accelerating science"
Verwenden Sie nur eine H1-Überschrift pro Seite. Entfernen Sie zusätzliche H1-Tags.
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Wortanzahl
407
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Kanonisches Tag
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✓
Doppelte Meta
[]
Keine doppelten Meta-Tags gefunden.
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Schlüsselwörter
physics, CERN, Large Hadron Collider, LHC, high-energy physics, particles, science
Meta-Schlüsselwörter festgelegt (Hinweis: werden von großen Suchmaschinen nicht verwendet).
Inhalt und UX
✓
Sprache
en
Sprachattribut richtig eingestellt.
✓
Bilder
8 total, 0 missing ALT
Alle Bilder haben den richtigen ALT-Text.
✓
Ansichtsfenster
width=device-width, initial-scale=1.0
Viewport-Meta-Tag für mobile Geräte richtig eingestellt.
Fügen Sie fehlende OpenGraph-Tags für das Teilen in sozialen Medien hinzu:og:title, og:description, og:image, og:url
!
Strukturierte Daten
0 JSON-LD scripts
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Positionen in Google
Suchphrasen - Google
🔍
Position
Phrase
Seite
Ausschnitt
2
/science/accelerators/large-hadron-collider
The Large Hadron Collider (LHC ) is the world's largest and most powerful particle accelerator that pushes protons or ions to near the speed of light.
3
/science/accelerators/large-hadron-collider
The Large Hadron Collider ( LHC ) is the world's largest and most powerful particle accelerator. It consists of a 27-kilometre ring of superconducting magnets ...
3
/science/physics/standard-model
The Standard Model includes the electromagnetic, strong and weak forces and all their carrier particles , and explains well how these forces act on all of the ...
So why is there far more matter than antimatter in the universe ? The Big Bang should have created equal amounts of matter and antimatter in the early universe.
7
/science/accelerators/compact-linear-collider
The Compact Linear Collider (CLIC) is a proposed accelerator that is being designed as an addition to CERN's accelerator complex.
8
/
CERN , the European Organization for Nuclear Research, is one of the world's largest and most respected centres for scientific research.
16
/science/physics/subatomic-particles
CERN scientists are probing the fundamental structure of the universe to find out what the elementary particles are and how they interact.
19
/resources/image/experiments/cms-images-gallery
Physicists and engineers are replacing the heart of the CMS experiment - the pixel detector. This will improve CMS's ability to make precise measurements.
23
/
CERN , the European Organization for Nuclear Research, is one of the world's largest and most respected centres for scientific research.
24
/science/computing/birth-web/short-history-web
Tim Berners-Lee, a British scientist, invented the World Wide Web (WWW) in 1989 , while working at CERN.
Positionen in Yandex
Suchphrasen - Yandex
🔍
Position
Phrase
Seite
Ausschnitt
8
/science/accelerators/large-hadron-collider
The Large Hadron Collider (LHC) is the world’s largest and most powerful particle accelerator that pushes protons or ions to near the speed of light.
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