Nolte-haustechnik.de - SEO Checker

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Overview of the SEO Check
Meta information
72% 
Page quality
66% 
Page structure
100% 
Link structure
25% 
Server
100% 
External factors
6% 
SEO Score
Response time
0.18 s
File size
27.30 kB
Words
563
Media files
10
Number of links
88 internal / 10 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Nolte Haustechnik, Düsseldorf: Moderne Sanitär- und Heizungslösungen - Höchster Wohn- und Wärmekomfort in Ihren vier Wänden:
The page title should be shorter than 580 pixels. It is 1188 pixels long. Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
Nolte Haustechnik, Düsseldorf: Komplettbäder aus einer Hand und moderne Heizungslösungen
The length of the meta description is perfect. (586 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.nolte-haustechnik.de/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: de
Server location: Germany
The language is not specified in the HTML markup.
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)
No favicon is linked in the HTML code.

Meta tags

NameValue
content-languagede
descriptionNolte Haustechnik, Düsseldorf: Komplettbäder aus einer Hand und moderne Heizungslösungen
keywordsNolte, Düsseldorf, Sanitär, Heizung, heizen, regenerativ, Fliesen, Malerarbeiten, regenerative Energien, erneuerbar, Vaillant, Fortbildung, Wartung, Wartungsverträge, Hausverwaltung, Notdienst, Gasrohrinnensanierung, Badplanung, Regenwassernutzung, Regenwasser, Bad, Badgestaltung, Badmodernisierung, Modernisierung, Wärme, Barrierefrei, Solar, Solarthermie, BHKW
viewportwidth=device-width,initial-scale=1
robotsindex,follow
charsetutf-8

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Page quality

Content
(Critically important)
Words from the H1 heading are not used in the page content.
This page contains 563 words. That's ok.
34.5% 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.
8 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 13.96 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
A viewport "width=device-width,initial-scale=1" is provided.
Bold and strong tags
(Somewhat important)
The following tag is repeated too often: 0211 / 76 35 39
Image SEO
(Somewhat important)
9 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
/media/nolte-haustechnik.de/nolte-logo.pngLogo
/skin/default/images/vaillant-kp-logo.svgNo alt attribute provided
...ia/nolte-haustechnik.de/slideshow-a3.jpgNo alt attribute provided
...austechnik.de/slideshow-installation.jpgNo alt attribute provided
...haustechnik.de/slideshow-bath-white1.jpgNo alt attribute provided
...ploads/2024/10/hp14-32157-02-720x480.jpgNo alt attribute provided
...4/08/STILL05-BATH-6002INT_01-641x480.jpgNo alt attribute provided
...oads/2024/06/230426_0049_ret-761x480.jpgNo alt attribute provided
/skin/default/images/vaillant-kp-logo.svgNo alt attribute provided
/skin/default/images/fraunhofer-logo.pngNo alt attribute provided

Page structure

H1 heading
(Critically important)
Höchster Wohn- und Wärmekomfort in Ihren vier Wänden:
The H1 heading is perfect.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Höchster Wohn- und Wärmekomfort in Ihren vier Wänden:
H2 Wärmepumpe reinigen: Tipps für die richtige Pflege
H2 Warmwasserbereitung – gerne komfortabel, aber auch nachhaltig
H2 Rechtsgutachten: Wärmepumpe „sticht“ Fernwärme
H3 Aktuell
H3 Brennwert
H3 Solartechnik
H3 Lüftung & Klima
H3 Bäder + Sanitär
H4 Öffnungszeiten
H4 Notdienst
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.
The number of internal links is ok.
None of the anchor texts is too long.
There are 10 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.nolte-haustechnik.de/IMG-ALT Logo
http://www.vaillant.de/New window External Subdomain No Text
https://www.nolte-haustechnik.de/Subdomain Startseite
/aktuell/Subdomain Aktuell
/waerme/Subdomain Wärme
/waerme/moeglichkeiten/Subdomain Möglichkeiten
/waerme/brennwert/Subdomain Brennwert
/waerme/solartechnik/Subdomain Solartechnik
/waerme/waermepumpe/Subdomain Wärmepumpe
/waerme/kraft-waerme-kopplung/Subdomain Kraft-Wärme-Kopplung
/waerme/lueftung/Subdomain Lüftung
/baeder/Subdomain Bäder
/baeder/gut-beraten/Subdomain Gut beraten
/baeder/baeder/Subdomain Text duplicate Bäder
/baeder/wellness/Subdomain Wellness
/baeder/barrierefreiheit/Subdomain Barrierefreiheit
/service/Subdomain Service
/service/360-service/Subdomain 360° Service
/service/kundendienst/Subdomain Kundendienst
/service/foerderberatung/Subdomain Förderberatung
/service/energie-sparen/Subdomain Energie sparen
/service/erneuerbare-energien/Subdomain Erneuerbare Energien
/ueber-uns/Subdomain Über uns
/ueber-uns/kurz-vorgestellt/Subdomain Kurz vorgestellt
/ueber-uns/ausstellung/Subdomain Ausstellung
/produkte/Subdomain Produkte
/produkte/Übersicht
/produkte/?pid=gasGasheizung
/produkte/?pid=oilÖlheizung
/produkte/?pid=solarText duplicate Solartechnik
/produkte/?pid=controlsRegelung
/produkte/?pid=heatpumpText duplicate Wärmepumpe
/produkte/?pid=electricElektro
/produkte/?pid=ventilationLüftungssysteme
/produkte/?pid=photovoltaicStrom erzeugen und speichern
/produkte/?pid=storageSpeicher
/kontakt/Subdomain Kontakt
/kontakt/kontaktformular/Subdomain Kontaktformular
/kontakt/anfahrt/Subdomain Anfahrt
/kontakt/impressum/Subdomain Impressum
/kontakt/datenschutz/Subdomain Datenschutz
/kontakt/kontaktformular/Jetzt Beratungstermin vereinbaren
/ueber-uns/Text duplicate Über uns
/aktuell/energieeinsparverordn...Subdomain Energieeinsparverordnung (EnEV) 2016
/aktuell/test-news-2.htmSubdomain Das Erneuerbare Energien Wärmegesetz (EEWärmeG)
/waerme/brennwert/Subdomain Text duplicate Brennwert
/waerme/solartechnik/Subdomain Text duplicate Solartechnik
/waerme/lueftung/Subdomain Lüftung & Klima
/baeder/baeder/Subdomain Bäder + Sanitär
https://www.vaillant.de/21-gra...External Subdomain No Text
https://www.vaillant.de/21-gra...External Subdomain Trivial anchor text
Weiterlesen
https://www.vaillant.de/21-gra...External Subdomain No Text
https://www.vaillant.de/21-gra...External Subdomain Text duplicate Trivial anchor text
Weiterlesen
https://www.vaillant.de/21-gra...External Subdomain No Text
https://www.vaillant.de/21-gra...External Subdomain Text duplicate Trivial anchor text
Weiterlesen
https://www.vaillant.de/21-gradNew window External Subdomain Weitere Beiträge unter www.vaillant.de/21-grad
/kontakt/datenschutz/Datenschutzerklärung
/aktuell/Subdomain Text duplicate Aktuell
/waerme/Subdomain Text duplicate Wärme
/waerme/moeglichkeiten/Subdomain Text duplicate Möglichkeiten
/waerme/brennwert/Subdomain Text duplicate Brennwert
/waerme/solartechnik/Subdomain Text duplicate Solartechnik
/waerme/waermepumpe/Subdomain Text duplicate Wärmepumpe
/waerme/kraft-waerme-kopplung/Subdomain Text duplicate Kraft-Wärme-Kopplung
/waerme/lueftung/Subdomain Text duplicate Lüftung
/baeder/Subdomain Text duplicate Bäder
/baeder/gut-beraten/Subdomain Text duplicate Gut beraten
/baeder/baeder/Subdomain Text duplicate Bäder
/baeder/wellness/Subdomain Text duplicate Wellness
/baeder/barrierefreiheit/Subdomain Text duplicate Barrierefreiheit
/service/Subdomain Text duplicate Service
/service/360-service/Subdomain Text duplicate 360° Service
/service/kundendienst/Subdomain Text duplicate Kundendienst
/service/foerderberatung/Subdomain Text duplicate Förderberatung
/service/energie-sparen/Subdomain Text duplicate Energie sparen
/service/erneuerbare-energien/Subdomain Text duplicate Erneuerbare Energien
/ueber-uns/Subdomain Text duplicate Über uns
/ueber-uns/kurz-vorgestellt/Subdomain Text duplicate Kurz vorgestellt
/ueber-uns/ausstellung/Subdomain Text duplicate Ausstellung
/produkte/Subdomain Text duplicate Produkte
/produkte/Text duplicate Übersicht
/produkte/?pid=gasText duplicate Gasheizung
/produkte/?pid=oilText duplicate Ölheizung
/produkte/?pid=solarText duplicate Solartechnik
/produkte/?pid=controlsText duplicate Regelung
/produkte/?pid=heatpumpText duplicate Wärmepumpe
/produkte/?pid=electricText duplicate Elektro
/produkte/?pid=ventilationText duplicate Lüftungssysteme
/produkte/?pid=photovoltaicText duplicate Strom erzeugen und speichern
/produkte/?pid=storageText duplicate Speicher
/kontakt/Subdomain Text duplicate Kontakt
/kontakt/kontaktformular/Subdomain Text duplicate Kontaktformular
/kontakt/anfahrt/Subdomain Text duplicate Anfahrt
/kontakt/impressum/Subdomain Text duplicate Impressum
/kontakt/datenschutz/Subdomain Text duplicate Datenschutz
https://www.vaillant.de/New window External Subdomain No Text
https://www.iml.fraunhofer.de/New window External Subdomain No Text
https://www.nolte-haustechnik.de/Anchor ▲

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.nolte-haustechnik.de/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time is excellent with 0.18 seconds.
The file size of the HTML document is fine (27 kB).

HTTP Response Header

NameValue
x-content-type-optionsnosniff
strict-transport-securitymax-age=0
referrer-policyno-referrer
permissions-policygeolocation=(), microphone=()
expiresThu, 19 Nov 1981 08:52:00 GMT
cache-controlno-store, no-cache, must-revalidate, post-check=0, pre-check=0
pragmano-cache
set-cookie50 Characters
varyAccept-Encoding,User-Agent
content-encodingbr
content-typetext/html; charset=utf-8
dateSat, 31 May 2025 08:52:12 GMT
serverApache
statuscode200
http_versionHTTP/2

External factors

This page has only a few links from other websites.
This page only has backlinks from 2 referring domains.
This page only has 2 backlinks.
This page only has few backlinks from 2 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: *
Disallow: /admin/

Similar sites

Search preview

www.nolte-haustechnik.de
Nolte Haustechnik, Düsseldorf: Moderne Sanitär- und Heizungslösunge...
Nolte Haustechnik, Düsseldorf: Komplettbäder aus einer Hand und moderne Heizungslösungen

Most important keywords

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

KeywordResultRecheck
Nolte76%Check
Haustechnik76%Check
Nolte Haustechnik76%Check
Wärme65%Check
Düsseldorf62%Check
Höchster61%Check
Wohn61%Check
Wärmekomfort61%Check
vier61%Check
Wänden61%Check
Show more keywords and terms

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