Coretress.de - SEO Checker

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Overview of the SEO Check
Meta information
80% 
Page quality
76% 
Page structure
58% 
Link structure
48% 
Server
91% 
External factors
100% 
SEO Score
Response time
0.14 s
File size
268.00 kB
Words
975
Media files
33
Number of links
111 internal / 15 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
IT-Sicherheit Köln Mittelstand für jedes Unternehmen
The length of the page title is perfect. (471 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Coretress bietet IT-Sicherheit Köln Mittelstand, Cybersecurity für KMU, Managed Security Services Köln und IT-Sicherheitslösungen Mittelstand. Jetzt IT-Sicherheitseratung für KMU anfragen!
The meta description is too long: 1175 pixels from max. 1000 pixels. Optimize description
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://coretress.de/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: de
Language defined in HTML: de
Server location: United States of America
The following language is defined by HTML: de
Alternate/Hreflang Links
(Somewhat important)
There are no alternate links specified on this page.
Other meta tags
(Somewhat important)
There is no rel next meta tag on this page.
There is no rel prev meta tag on this page.
Domain
(Somewhat important)
The domain is no subdomain.
The domain length is good.
The domain does not contain non-latin characters.
Page URL
(Somewhat important)
No parameters were found in the URL.
No session ID was found in the URL.
The URL does not have too many subdirectories.
Charset encoding
(Somewhat important)
The charset encoding (UTF-8) is set correctly.
Doctype
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
Favicon
(Nice to have)
The favicon is linked correctly.

Meta tags

NameValue
viewportwidth=device-width, initial-scale=1
robotsindex, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
descriptionCoretress bietet IT-Sicherheit Köln Mittelstand, Cybersecurity für KMU, Managed Security Services Köln und IT-Sicherheitslösungen Mittelstand. Jetzt IT-Sicherheitseratung für KMU anfragen!
generatorWP Rocket 3.21.2
msapplication-TileImagehttps://coretress.de/wp-content/uploads/2024/02/cropped-coretress-favicon-500x500px-270x270.jpg
article:publisherhttps://www.facebook.com/coretress/
article:modified_time2026-03-10T14:25:12+00:00
langde
twitter:cardsummary_large_image
twitter:site@coretress
og:localede_DE
og:typewebsite
og:titleStart
og:descriptionIT-Sicherheit, Managed Services und Microsoft 365 für den Mittelstand. Praxisnahe IT-Themen von coretress aus Köln.
og:urlhttps://coretress.de/
og:site_namecoretress GmbH
og:imagehttps://coretress.de/wp-content/uploads/2025/11/Design-ohne-Titel-18-1024x576.png
og:image:width1024
og:image:height576
og:image:typeimage/png
Content-Typetext/html; charset=UTF-8

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Page quality

Content
(Critically important)
Words from the H1 heading are not used in the page content.
There are 2 text duplicates on this page:
  • Duplicate: Unsere Partnerschaften sind geprägt von Vertrauen, Offenheit und gemei...
This page contains 975 words. That's ok.
36.8% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
The page contains a listing, which indicates a good text layout.
21 paragraphs were found on this page.
No placeholders texts or images were found.
The average number of words per sentence of 13.56 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width, initial-scale=1" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 20 tags for this page.
Image SEO
(Somewhat important)
17 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
This page is optimized perfectly for social networks.
Additional markup
(Nice to have)
No additional page markup was found.
HTTPS
(Somewhat important)
This website uses HTTPS to protect privacy and integrity of the exchanged data.
All included files are also transferred via HTTPS.

Media list

URLAlt attributeTitle
data:[...] Base64Coretress Logo
...uploads/2024/02/coretress-Logo-weiss.pngLogo-Symbol Coretress
...ds/2025/09/praeventions-partner-2025.pngPräventions-Partner 2025 Siegel
data:[...] Base64No alt attribute provided
data:[...] Base64Mitarbeiter der coretress GmbH im Beratungsgespräch – kompetente IT-Unterstützung und persönlicher Kundenkontakt
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64Kontaktaufnahme für Beratung zum KI-Kompetenznachweis nach EU AI Act für Unternehmen
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64IT-Sicherheit Chefsache Verantwortung Geschäftsführung Cybersecurity Compliance Unternehmen und DSGVO Verantwortung Geschäftsführung
data:[...] Base64Hornetsecurity Plan 4 Sicherheitslösung für Microsoft 365 mit Backup, Advanced Threat Protection und Security Awareness Service für Unternehmen
data:[...] Base64Incident Response Plan Unternehmen mit Notfallplan IT-Sicherheit und Cyberangriff Reaktionsplan
...uploads/2024/02/coretress-Logo-weiss.pngLogo-Symbol Coretress
data:[...] Base64Präventions-Partner 2025 Siegel
Video URLWidthHeight
...nt/uploads/2024/02/Claywavyballs.mp4?_=1640360
...v24300gl0001d0ealv7og65sfjfq8ft0.mp4?_=2640360
...v24044gl0000d3mgv3nog65nq9j16do0.mp4?_=3640360
...v0f044gc0000cp1nj6vog65pp4a8e2k0.mp4?_=4640360
/wp-content/uploads/2025/10/madox.mp4?_=5640360
...oads/2025/10/Design-ohne-Titel-1.mp4?_=6640360

Page structure

H1 heading
(Critically important)
Wir sind CORETRESS -Ihr IT-Dienstleister in Köln für sichere und effiziente IT
The H1 heading is perfect.
Headings
(Important)
Some headings occur twice on the page.
The structure of headings is missing one or more levels. Do not skip heading levels.
There are 32 headings on the page. The amount of headings should be in a more proper relation to the amount of text.

Heading structure

Heading levelContent
H1 Wir sind CORETRESS -Ihr IT-Dienstleister in Köln für sichere und effiziente IT
H2 Professionell. Individuell. Persönlich.
H2 IT-SICHERHEIT
H2 IT-INFRASTRUKTUR
H2 IT-CONSULTING
H2 Jetzt Kontakt aufnehmen!
H2 Häufig gestellte Fragen von Kunden
H2 STARTEN SIE IHR PROJEKT!
H2 CORETRESS IN SOCIAL MEDIA
H3 IT-SICHERHEIT Duplicate text
H3 IT-INFRASTRUKTUR Duplicate text
H3 IT-CONSULTING Duplicate text
H3 Typische IT-Hürden
H3 Zu viele IT-Baustellen
H3 Fehlende Sicherheit
H3 Keine klare Strategie
H3 IT wächst dir über den Kopf
H3 Mit uns bringst du deine IT aufs nächste Level
H3 Managed IT statt Dauerbaustellen
H3 Sicherheit auf Knopfdruck
H3 Klarheit statt Chaos
H3 Individuell für dich
H3 Einblick in unsere Socials
H3 0221 788059200
H3 Unsere neuesten Blogbeiträge rund um IT-Lösungen
H3 IT-Sicherheit ist Chefsache: Warum CEOs persönlich haften
H3 Hornetsecurity Plan 4 im Mittelstand: Strategischer Rundumschutz für Microsoft 365
H3 Notfallplan IT-Sicherheit: Hat Ihr Unternehmen einen funktionierenden Incident-Response-Plan?
H4 IT-Herausforderungen
H4 Unsere Lösung
H4 Q&A
H6 Top IT-Dienstleister aus Köln – coretress GmbH
Anchor text is an URL
Some internal link anchor texts are too long.
Some internal links have dynamic parameters. All internal URLs, which are not marked as nofollow, should not contain dynamic parameters.
Some anchor texts are used more than once.
1 links don't have an anchor text.
The number of internal links is ok.
There are 15 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.provenexpert.com/c...New window External Subdomain ProvenExpert.com
https://www.linkedin.com/compa...New window External Subdomain No Text
https://www.facebook.com/coret...New window External Subdomain No Text
https://www.instagram.com/core...New window External Subdomain No Text
https://twitter.com/coretressNew window External No Text
https://www.tiktok.com/@coretressNew window External Subdomain No Text
https://coretress.de/IMG-ALT Coretress Logo
https://coretress.de/Start
https://coretress.de/unternehmen/Unternehmen
https://coretress.de/unternehmen/Text duplicate Unternehmen
/dein-top-it-partner-aus-koeln/Wir sind cortress
/unternehmen/wir-sind-coretres...coretress CODEX
/unternehmen/wir-sind-coretres...Vision und Mission
/unternehmen/team/Team
/it-referenzen-unternehmen/Rezensionen
/erfolgsgeschichte/Erfolgsgeschichte
/unternehmen/partner/Partner
/technolgiepartner/Technolgiepartner
/unsere-strategiepartner/Strategiepartner
/unternehmen/nachhaltigkeit/Nachhaltigkeit
/it-consulting/IT-Consulting
/it-consulting/Text duplicate IT-Consulting
/it-consulting/it-sicherheitsb...IT Sicherheitsberatung
/it-consulting/cloud-consulting/Cloud Consulting
/it-consulting/microsoft-365-b...Microsoft 365 Beratung
/it-consulting/optimierung-der...Optimierung der IT-Infrastruktur
/it-consulting/technischer-sup...Technischer Support für interne IT-Abteilungen
/it-consulting/full-service-it...Full-Service IT-Support (Externe IT-Abteilung)
/it-consulting/it-schulungen/IT-Schulungen
/it-consulting/notfallplanung/Notfallplanung
/it-consulting/compliance-und-...Compliance und ITQ Audits
/it-consulting/strategische-it...Strategische IT-Beratung
/it-sicherheit/IT-Sicherheit
/it-sicherheit/Text duplicate IT-Sicherheit
/it-sicherheit/security-services/Security Services
/it-sicherheit/cyber-security-...Cyber Security Audit -Schwachstellen Analyse
/it-sicherheit/awareness-train...Awareness Training
/it-sicherheit/itq-sicherheits...ITQ Sicherheitsmanagement
/it-sicherheit/mail-cloud-secu...Mail & Cloud Security
/it-sicherheit/passwordmanagment/Passwordmanagment
/it-sicherheit/antivirus/Antivirus
/it-sicherheit/xdr-extended-de...XDR (Extended Detection and Response)
/it-sicherheit/backup/Backup
/it-sicherheit/multi-faktor-au...Multi Faktor Autentifizierung
/microsoft-office-365-security/MS-Office 365 Security
/it-sicherheit/soc/Security Operations Center (SOC)
/it-infrastruktur/IT-Infrastruktur
/it-infrastruktur/Text duplicate IT-Infrastruktur
/it-infrastruktur/infrastruktu...Infrastrukturanalyse
/it-infrastruktur/infrastruktu...Infrastruktur Services
/microsoft-365-neu/Microsoft 365
/e-mail-signaturen/E-Mail Signaturen
/it-infrastruktur/cloud-telefo...Cloud Telefonie
/it-infrastruktur/cloud-comput...Cloud Computing
/it-infrastruktur/whistleblowe...Whistleblower Software
/leistungsarten/Leistungsarten
/leistungsarten/Text duplicate Leistungsarten
/it-consulting/it-flatrate/IT Flatrate
/it-consulting/it-flatrate/Text duplicate IT Flatrate
/leistungsarten/managed-service/Managed Service
/leistungsarten/managed-security/Managed Security
/leistungsarten/managed-backup/Managed Backup
/leistungsarten/flexible-it-un...flexible IT-Unterstützung
/leistungsarten/projekte/Projekte
https://coretress.de/leistungen/Leistungen
A-TITLE Leistungen
/m365-x-hornet-kampagne/Microsoft 365 absichern mit HornetSecurity
/security-operations-center/Security Operations Center
/ki-kompetenznachweis-nach-eu-...KI-Kompetenznachweis nach EU AI Act
/nis-2-regelungen-fuer-unterne...NIS-2 Richtlinien für Unternehmen
/itq-quick-check/ITQ Quick Check
/it-leicht-erklaert/IT leicht erklärt
/karriere/stellenangebote/Karriere
/karriere/stellenangebote/Text duplicate Karriere
/karriere/mitarbeiterbenefits/Benefits
/karriere/stellenangebote/Stellenangebote
/karriere/ausbildung/Ausbildung
https://coretress.de/kontakt/Kontakt
https://coretress.de/blog/Blog
https://coretress.de/kontakt/Jetzt Kontakt aufnehmen
https://www.polizei-dein-partn...New window External Subdomain IMG-ALT Präventions-Partner 2025 Siegel
/it-sicherheit/Mehr Erfahren
/it-infrastruktur/Text duplicate Mehr Erfahren
A-TITLE IT-Infrastruktur
/it-consulting/Text duplicate Mehr Erfahren
A-TITLE IT-Consulting
/wp-content/uploads/2025/10/v2...URL anchor text
https://coretress.de/wp-content/uploads/2025/10/v24300gl0001d0ealv7og65sfjfq8ft0.mp4
/wp-content/uploads/2025/10/v2...URL anchor text
https://coretress.de/wp-content/uploads/2025/10/v24044gl0000d3mgv3nog65nq9j16do0.mp4
/wp-content/uploads/2025/10/v0...URL anchor text
https://coretress.de/wp-content/uploads/2025/10/v0f044gc0000cp1nj6vog65pp4a8e2k0.mp4
/wp-content/uploads/2025/10/ma...URL anchor text
https://coretress.de/wp-content/uploads/2025/10/madox.mp4
/wp-content/uploads/2025/10/De...URL anchor text
https://coretress.de/wp-content/uploads/2025/10/Design-ohne-Titel-1.mp4
https://coretress.de/kontakt/Anchor Kontaktformular
https://www.hornetsecurity.com...External Subdomain No Text
https://coretress.de/Anchor Was macht ein IT-Systemhaus wie coretress genau?
https://coretress.de/Anchor Welche Vorteile bietet die Zusammenarbeit mit einem IT-Dienstleister in Köln?
https://coretress.de/Anchor Welche Services bietet ihr für den Mittelstand?
https://coretress.de/Anchor Welche Unternehmensgröße ist ideal für die Zusammenarbeit mit euch?
https://coretress.de/Anchor Wie läuft die Zusammenarbeit mit euch ab?
https://coretress.de/Anchor Welche Kosten entstehen für IT-Support und Managed Services?
https://coretress.de/Show all
/?id=index-15588655905&ucat=1Text duplicate Blog
/?id=index-15588655905&ucat=3Cloud
/?id=index-15588655905&ucat=4Security
/category/blog/Text duplicate Blog
/it-sicherheit-ist-chefsache/IMG-ALT IT-Sicherheit Chefsache Verantwortung Geschäftsführung Cybersecurity Compliance Unternehmen und DSGVO Verantwortung Geschäftsführung
/it-sicherheit-ist-chefsache/IT-Sicherheit ist Chefsache: Warum CEOs persönlich haften
/category/blog/Text duplicate Blog
/hornetsecurity-plan-4/IMG-ALT Hornetsecurity Plan 4 Sicherheitslösung für Microsoft 365 mit Backup, Advanced Threat Protection und Security Awareness Service für Unternehmen
/hornetsecurity-plan-4/Hornetsecurity Plan 4 im Mittelstand: Strategischer Rundumschutz für Microsoft 365
/category/blog/Text duplicate Blog
/notfallplan-it-sicherheit/IMG-ALT Incident Response Plan Unternehmen mit Notfallplan IT-Sicherheit und Cyberangriff Reaktionsplan
/notfallplan-it-sicherheit/Notfallplan IT-Sicherheit: Hat Ihr Unternehmen einen funktionierenden Incident-Response-Plan?
https://coretress.de/?upage=22
https://coretress.de/?upage=33
https://coretress.de/?upage=2727
https://coretress.de/?upage=2No Text
https://www.linkedin.com/compa...New window External Subdomain No Text
https://www.facebook.com/coret...New window External Subdomain No Text
https://www.instagram.com/core...New window External Subdomain No Text
https://twitter.com/coretressNew window External No Text
https://www.tiktok.com/@coretressNew window External Subdomain No Text
https://coretress.de/kontakt/Kontakt aufnehmen
A-TITLE Kontakt aufnehmen
https://coretress.de/impressumImpressum
/datenschutzerklaerungDatenschutzerklärung
https://coretress.de/karriereText duplicate Karriere
https://coretress.de/kontaktText duplicate Kontakt
https://coretress.de/kontakt/Text duplicate Kontakt
https://www.linkedin.com/compa...New window External Subdomain LinkedIn
https://www.instagram.com/core...New window External Subdomain Instagram

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://coretress.de/"
HTTP header
(Important)
The X-powered header is sent within the response header. (unnecessary)
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time is excellent with 0.14 seconds.
The file size of the HTML document is fine (268 kB).

HTTP Response Header

NameValue
x-powered-byPHP/8.3.30
last-modifiedThu, 14 May 2026 10:21:50 GMT
content-typetext/html; charset=UTF-8
cache-controlpublic, max-age=0
expiresThu, 14 May 2026 17:43:40 GMT
content-encodingbr
varyAccept-Encoding,Accept-Encoding
dateThu, 14 May 2026 17:43:40 GMT
serverLiteSpeed
platformhostinger
panelhpanel
content-security-policyupgrade-insecure-requests
alt-svch3=":443"; ma=2592000, h3-29=":443"; ma=2592000, h3-Q050=":443"; ma=2592000, h3-Q046=":443"; ma=2592000, h3-Q043=":443"; ma=2592000, quic=":443"; ma=2592000; v="43,46"
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 190 referring domains.
This page has 273 backlinks.
This page has backlinks from 54 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

Disallow: /wp-includes/
Disallow: /wp-content/plugins/


# START YOAST BLOCK
# ---------------------------
User-agent: *
Disallow:

Sitemap: https://coretress.de/sitemap_index.xml
# ---------------------------
# END YOAST BLOCK

Similar sites

Search preview

coretress.de
IT-Sicherheit Köln Mittelstand für jedes Unternehmen
Coretress bietet IT-Sicherheit Köln Mittelstand, Cybersecurity für KMU, Managed Security Services Köln und IT-Sicherheitslösungen Mittelstand. Jetzt IT-Sicherheitseratung für KMU anfragen!

Most important keywords

Following keywords were found. You can check the keyword optimization of this page for each keyword.

KeywordResultRecheck
coretress86%Check
Köln82%Check
IT-Sicherheit Köln75%Check
Köln Mittelstand73%Check
IT-Sicherheit Köln Mittelstand71%Check
IT-Sicherheit68%Check
coretress GmbH67%Check
Mittelstand62%Check
Lösungen für Unternehmen62%Check
Lösungen55%Check
Show more keywords and terms

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