Rz-stollen.ch - SEO Checker

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Overview of the SEO Check
Meta information
60% 
Page quality
57% 
Page structure
20% 
Link structure
68% 
Server
54% 
External factors
69% 
SEO Score
Response time
0.68 s
File size
93.30 kB
Words
424
Media files
13
Number of links
62 internal / 5 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Rechenzentrum Stollen Luzern_v2 - ((Rechenzentrum Stollen Luzern))
The page title should be shorter than 580 pixels. It is 632 pixels long. Optimize title
There are word repetitions in the page title.
Meta description
(Critically important)
The meta description is missing.
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://rz-stollen.ch/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: de
Language defined in HTML: de-de
Server location: United States of America
The following language is defined by HTML: de-de
Alternate/Hreflang Links
(Somewhat important)
An URL is specified multiple times in alternate links.
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, maximum-scale=1
format-detectiontelephone=no
robotsindex, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
generatorPowered by Slider Revolution 6.1.0 - responsive, Mobile-Friendly Slider Plugin for WordPress with comfortable drag and drop interface.
msapplication-TileImagehttps://rz-stollen.ch/wp-content/uploads/2020/02/cropped-favicon_ewl-stollen-rgb-1-270x270.png
article:modified_time2024-08-08T12:55:00+00:00
langde-de
twitter:cardsummary_large_image
og:localede_DE
og:typewebsite
og:titleRechenzentrum Stollen Luzern_v2
og:urlhttps://rz-stollen.ch/
og:site_name((Rechenzentrum Stollen Luzern))
og:imagehttps://rz-stollen.ch/wp-content/uploads/2020/10/DJI_0268-Bearbeitet_web.jpg
og:image:width1311
og:image:height874
og:image:typeimage/jpeg
charsetUTF-8

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Page quality

Content
(Critically important)
There are only 424 words on this page. Good pages should have about 800 words of useful content.
These Typos were found:
  • gemäss => gemäß
  • weiss => weiß
29.7% 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.
10 paragraphs were found on this page.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 19.8 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
This page loads 29 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1, maximum-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 8 tags for this page.
Image SEO
(Somewhat important)
2 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.
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
/wp-content/uploads/2020/03/EWL-Logo-1.pngNo alt attribute provided
...t/uploads/2020/03/Logo_ewl_rgb_weiss.pngLogo_ewl_rgb_weiss.png
/wp-content/uploads/2024/07/green-icon.pngNo alt attribute provided
...ollen-Luzern-Colocation-Rack-570x276.pngColocation Racks
...Stollen-Luzern-Private-Suite-570x276.pngPrivate Suite
...-Stollen-Luzern-Private-Cage-570x276.pngPrivate Cage
...t/uploads/2023/08/hochsicher-120x120.pnghochsicherhochsicher
...t/uploads/2023/08/nachhaltig-120x120.pngnachhaltignachhaltig
.../uploads/2023/08/persoenlich-120x120.pngpersönlichpersönlich
...ntent/uploads/2024/07/tuevit-160x160.pngtuevittuevit
...ent/uploads/2024/07/ISO27001-160x160.pngISO27001ISO27001
...7/[email protected]Colored-logo@2x-958x1024Colored-logo@2x-958x1024
Video URLWidthHeight
...ube.com/embed/P38BOsWzfUk?feature=oembed17781000

Page structure

H1 heading
(Critically important)
Home
The H1 heading contains the words Home! Use important keywords instead.
Too many H1 headings
The H1 heading consists of only one word. There should be more information given.
The H1 heading is too short (4 characters). It should be at least 20 Characters long.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H1 Home
H1 Rechenzentrum Stollen Luzern – nachhaltig dank Seewasserkühlung und Abwärmenutzung
H2 Individuell und modular
H2 Modernste Technologie und Nachhaltigkeit
H2 Rechenzentrum Stollen Luzern
H2 Angebote
H2 Information
H5 hochsicher
H5 nachhaltig
H5 persönlich
H5 Folgen Sie uns
H6 Das Rechenzentrum Stollen Luzern vereint modernste Technologie und Nachhaltigkeit. ewl energie wasser luzern betreibt das Datacenter in einem unterirdischen, abgeschirmten Bunkerkomplex in der Stad...
H6 IHR NUTZEN
H6 Colocation Racks
H6 Private Suite
H6 Private Cage
H6 Managed Services
H6 Netzwerklösungen
H6 WIR BIETEN
H6 Sichere Infrastruktur
H6 Sichere Betriebsführung
H6 Betrieb mit erneuerbaren Energien
H6 Über uns
Some anchor texts are used more than once.
3 links don't have an anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 5 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://rz-stollen.ch/datacenter/Datacenter
/services/hochsicher/hochsicher
/services/nachhaltig/nachhaltig
/services/personlich/persönlich
/rack-angebote/RZ-Angebote
/services/colocation-racks/Colocation Racks
/services/private-cage/Private Cage
/services/private-suite/Private Suite
/services/managed-services/Managed Services
/netzwerk-angebote/Netzwerk-Angebote
/services/business-internet/Business Internet
/services/enterprise-connect/Enterprise Connect
/services/datacenter-connect/Datacenter Connect
/neuigkeiten/Neuigkeiten
https://rz-stollen.ch/__trashed/Über uns
https://rz-stollen.ch/kontakt/Kontakt
/partnerprogramm/Partnerprogramm
/mitgliedschaften/Mitgliedschaften
/services/downloads/Downloads
/faq-glossar/FAQ & Glossar
https://rz-stollen.ch/DE
https://rz-stollen.ch/en/EN
https://rz-stollen.ch/datacenter/Text duplicate Datacenter
/services/hochsicher/Text duplicate hochsicher
/services/nachhaltig/Text duplicate nachhaltig
/services/personlich/Text duplicate persönlich
/rack-angebote/Text duplicate RZ-Angebote
/services/colocation-racks/Text duplicate Colocation Racks
/services/private-cage/Text duplicate Private Cage
/services/private-suite/Text duplicate Private Suite
/services/managed-services/Text duplicate Managed Services
/netzwerk-angebote/Text duplicate Netzwerk-Angebote
/services/business-internet/Text duplicate Business Internet
/services/enterprise-connect/Text duplicate Enterprise Connect
/services/datacenter-connect/Text duplicate Datacenter Connect
/neuigkeiten/Text duplicate Neuigkeiten
https://rz-stollen.ch/__trashed/Text duplicate Über uns
https://rz-stollen.ch/kontakt/Text duplicate Kontakt
/partnerprogramm/Text duplicate Partnerprogramm
/mitgliedschaften/Text duplicate Mitgliedschaften
/services/downloads/Text duplicate Downloads
/faq-glossar/Text duplicate FAQ & Glossar
https://rz-stollen.ch/Text duplicate DE
https://rz-stollen.ch/en/Text duplicate EN
http://linkedin.com/showcase/r...New window External No Text
https://www.youtube.com/channe...New window External Subdomain No Text
/services/colocation-racks/No Text
/services/colocation-racks/Text duplicate Colocation Racks
/services/private-suite/No Text
/services/private-suite/Text duplicate Private Suite
/services/private-cage/No Text
/services/private-cage/Text duplicate Private Cage
/rack-angebote/ZUM RZ-ANGEBOT
https://rz-stollen.ch/kontakt/KONTAKT AUFNEHMEN
/services/managed-services/Text duplicate Managed Services
/netzwerk-angebote/Netzwerklösungen
/services/hochsicher/Mehr erfahren
/services/nachhaltig/Text duplicate Mehr erfahren
/services/personlich/Text duplicate Mehr erfahren
/services/colocation-racks/Text duplicate Colocation Racks
/services/private-suite/Text duplicate Private Suite
/services/private-cage/Text duplicate Private Cage
/services/managed-services/Text duplicate Managed Services
/services/downloads/Download
https://www.ewl-luzern.ch/date...External Subdomain Datenschutzerklärung
http://linkedin.com/showcase/r...New window External No Text
https://www.youtube.com/channe...New window External Subdomain No Text

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://rz-stollen.ch/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time of 0.68 seconds is longer than the recommended limit of 0.4 seconds. A high response time unnecessarily slows down search engine crawling and results in bad user experience as well.
This page loads 21 CSS files. This may affect the page load time negatively.
This page loads 29 JavaScript files. This may affect the load time negatively.
The file size of the HTML document is fine (93 kB).

HTTP Response Header

NameValue
servernginx
dateWed, 09 Oct 2024 07:53:06 GMT
content-typetext/html; charset=UTF-8
transfer-encodingchunked
connectionkeep-alive
varyAccept-Encoding
link<https://rz-stollen.ch/wp-json/>; rel="https://api.w.org/"
strict-transport-securitymax-age=63072000; includeSubdomains;
x-frame-optionsSAMEORIGIN
referrer-policystrict-origin-when-cross-origin
x-content-type-optionsnosniff
content-encodinggzip
statuscode200
http_versionHTTP/1.1

External factors

This page has only a few links from other websites.
This page only has backlinks from 23 referring domains.
This page only has 727 backlinks.
This page only has few backlinks from 21 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

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

Sitemap: https://rz-stollen.ch/sitemap_index.xml
# ---------------------------
# END YOAST BLOCK

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Search preview

Most important keywords

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

KeywordResultRecheck
Stollen68%Check
Rechenzentrum Stollen62%Check
Stollen Luzern62%Check
Rechenzentrum Stollen Luzern60%Check
Luzern56%Check
Rechenzentrum56%Check
nachhaltig48%Check
ewl energie wasser luzern47%Check
Rechenzentrum Stollen Luzern_v247%Check
Private46%Check
Show more keywords and terms

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