Keller-lufttechnik.de - SEO Checker

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Overview of the SEO Check
Meta information
100% 
Page quality
93% 
Page structure
100% 
Link structure
80% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.08 s
File size
51.60 kB
Words
1528
Media files
13
Number of links
42 internal / 7 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Absaugtechnik für die Industrie | Keller Lufttechnik
The length of the page title is perfect. (448 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Maßstab für reine Luft. Individuelle Absauglösungen für die Industrie. Erfahren Sie mehr über unsere Produkte und Leistungen auf unserer Website.
The length of the meta description is perfect. (907 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.keller-lufttechnik.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)
The specified alternate links have no errors.
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
generatorTYPO3 CMS
descriptionMaßstab für reine Luft. Individuelle Absauglösungen für die Industrie. Erfahren Sie mehr über unsere Produkte und Leistungen auf unserer Website.
viewportwidth=device-width, initial-scale=1
msapplication-TileColor#ffffff
msapplication-config/typo3conf/ext/site/Resources/Public/Icons/browserconfig.xml?v=2
theme-color#ffffff
langde
twitter:cardsummary
og:imagehttps://www.keller-lufttechnik.de/fileadmin/_processed_/8/7/csm_1._prozess_festo_020-edit-c_6c1734d3f4.jpg
og:image:width1200
og:image:height630
og:typewebsite
og:urlhttps://www.keller-lufttechnik.de/
og:titleReine Luft in der Industrie durch Absauglösungen von Keller Lufttechnik
og:descriptionMaßstab für reine Luft. Individuelle Absauglösungen für die Industrie. Erfahren Sie mehr über unsere Produkte und Leistungen auf unserer Website.
charsetutf-8

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Page quality

Content
(Critically important)
There are 3 text duplicates on this page:
  • Duplicate: Google: Sicherheit, Funktionalität für Campaign Manager, Display + Vid...
This page contains 1528 words. That's ok.
30% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
Words from the H1 heading are used in the page content.
The page contains a listing, which indicates a good text layout.
31 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
The average number of words per sentence of 15.44 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 31 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)
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
.../Resources/Public/Images/keller-logo.svgKeller Logo
.../Resources/Public/Images/keller-logo.svgKeller Logo
..._prozess_festo_020-edit-c_867f6d5642.jpgProzess FestoTitel 1
...oad/8_sonstiges/keller_piktogramme-1.svgkeller piktogramme 1
...oad/8_sonstiges/keller_piktogramme-2.svgkeller piktogramme 2
...oad/8_sonstiges/keller_piktogramme-3.svgkeller piktogramme 3
...ocessed_/9/7/csm_Azubis_2_a19c7a2d26.jpgUnsere Azubis
...amilienunternehmen_Teaser_33bafa28e7.jpgFamilienunternehmen Teaser
...ssed_/5/b/csm_PCF1_Teaser_13457b7736.jpgNo alt attribute provided
...Erfolgsgeschichte_ziegler_8178b2dc0a.jpgNo alt attribute provided
..._Startseite_Foerdermittel_4b62e02c69.jpgStartseite Foerdermittel
...Startseite_Projektanfrage_8da31ca500.jpgStartseite Projektanfrage
...er_upload/8_sonstiges/keller-logo_en.svgkeller logo en

Page structure

H1 heading
(Critically important)
Absaugtechnik für reine Luft in der Industrie
The H1 heading is perfect.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Absaugtechnik für reine Luft in der Industrie
H2 Startseitenelement
H2 Maßstab für reine Luft.
H2 Absauglösungen von Keller Lufttechnik
H2 Wir freuen uns auf Ihre Anfrage!
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.
6 links don't have an anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
There are 7 external links on this page.

Found links on this page

LinkAttributesAnchor text
/IMG-ALT Keller Logo
/en/EN
/Text duplicate IMG-ALT Keller Logo
/ihr-prozessIhr Prozess
/produkteProdukte
/servicesServices
/unternehmenUnternehmen
/karriereKarriere
/infocenterInfocenter
/kontaktKontakt
/kontakt?utm_medium=https://ww...Text duplicate Kontakt
/Anchor No Text
/ihr-prozessMehr erfahren
/absauganlagenAbsauganlagen
/ihr-prozessUnsere Absauglösungen...
/karriereNo Text
/karriereEntdecken Sie unsere neue Karriereseite!
/karriere/stellenangeboteNo Text
/karriere/stellenangeboteWir stellen ein!
/pcf-1-trockenabscheiderNo Text
/pcf-1-trockenabscheiderHochreaktive Stäube sicher absaugen!
/infocenter/kunden-ueber-kelle...No Text
/infocenter/kunden-ueber-kelle...Zuverlässige Absaugung von CFK-Stäuben
/foerdermittel-fuer-absauganlagenNo Text
/foerdermittel-fuer-absauganlagenFördermittel für Absauganlagen
/kontaktNo Text
/kontaktProjektanfrage stellen
/schweissen-loetenSchweißrauch
/zerspanen/metalle-ne-metalleÖlnebel
/schleifen/metalle-ne-metalleSchleifen
/nasslackierenFarbnebelabsaugung
/vorabscheiderVorabscheidern
/compoundierenKunststoffherstellung
/erfassungselementeAbsaugarme
/kontaktKontaktieren Sie uns!
https://www.google.com/maps/pl...New window External Subdomain Neue Weilheimer Straße 30 73230 Kirchheim unter Teck
/kontaktText duplicate Kontakt
A-TITLE Kontaktformular
/glossar/gesetze-und-richtlinienGesetze und Richtlinien
/rechtliches/agbAGB | Verhaltenskodex
/rechtliches/hinweisgebersystemHinweisgebersystem
/rechtliches/impressumImpressum
/rechtliches/datenschutzDatenschutz
https://www.youtube.com/user/K...New window External Subdomain A-TITLE Youtube
https://www.instagram.com/kell...New window External Subdomain A-TITLE Instagram
https://www.facebook.com/Kelle...New window External Subdomain A-TITLE facebook
https://www.induux.de/3965New window External Subdomain A-TITLE induux
https://www.xing.com/pages/kel...New window External Subdomain A-TITLE Xing
https://www.linkedin.com/compa...New window External Subdomain A-TITLE LinkedIn
/rechtliches/datenschutzDatenschutzhinweisen

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.keller-lufttechnik.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 0.08 seconds.
The file size of the HTML document is fine (52 kB).

HTTP Response Header

NameValue
content-languagede
strict-transport-securitymax-age=31536000; includeSubDomains; preload
x-frame-optionsSAMEORIGIN
x-xss-protection0
cache-controlmax-age=0
expiresWed, 21 May 2025 15:26:48 GMT
varyAccept-Encoding
content-encodingbr
x-ua-compatibleIE=edge
x-content-type-optionsnosniff
content-security-policy-report-onlydefault-src 'self'; connect-src 'self' data: https://*.googletagmanager.com https://*.google-analytics.com https://*.google.com https://*.doubleclick.net https://*.ads.linkedin.com https://*.facebook.com/ wss://*.thelivechatsoftware.com https://*.livechatinc.com/ https://*.thelivechatsoftware.com/ wss://www.kellerusa.com.ddev.site:35729 wss://www.kellerusa.com.ddev.site:5173 wss://www.keller-lufttechnik.de.ddev.site:35729 wss://www.keller-lufttechnik.de.ddev.site:5173; font-src 'self' data: https://*.thelivechatsoftware.com https://*.livechatinc.com/ https://fonts.gstatic.com; frame-src 'self' https://td.doubleclick.net https://*.googletagmanager.com https://*.youtube.com https://*.youtube-nocookie.com https://*.livechatinc.com/ https://makeaclickablemap.com; img-src 'self' data: https://*.google.com https://*.google.de https://*.google.co.in https://*.google.fr https://*.google.ch https://*.google.si https://*.google.pt https://*.g.doubleclick.net/ https://*.googletagmanager.com https://*.google-analytics.com https://*.ytimg.com https://*.tile.openstreetmap.org https://*.ads.linkedin.com https://*.facebook.com https://*.thelivechatsoftware.com https://*.livechatinc.com/ *.cartocdn.com; script-src 'self' 'unsafe-inline' 'wasm-unsafe-eval' https://*.thelivechatsoftware.com https://*.livechatinc.com/ https://*.googletagmanager.com https://*.google-analytics.com; script-src-elem 'self' 'unsafe-inline' https://*.googletagmanager.com https://*.doubleclick.net https://*.googleadservices.com https://*.google.com https://*.google-analytics.com https://snap.licdn.com https://connect.facebook.net https://*.thelivechatsoftware.com https://*.livechatinc.com/ https://www.kellerusa.com.ddev.site:35729 https://www.kellerusa.com.ddev.site:5173 https://www.keller-lufttechnik.de.ddev.site:35729 https://www.keller-lufttechnik.de.ddev.site:5173; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; worker-src 'self' blob:; report-uri https://csp-log.d-mind.de/report.php;
content-length10417
content-typetext/html; charset=utf-8
dateWed, 21 May 2025 15:26:48 GMT
serverApache
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 61 referring domains.
This page has 690 backlinks.
This page has backlinks from 45 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

Sitemap: https://www.keller-lufttechnik.de/sitemap.xml
Sitemap: https://www.keller-lufttechnik.de/image-sitemap.xml
Sitemap: https://www.keller-lufttechnik.de/en/sitemap.xml
Sitemap: https://www.keller-lufttechnik.ch/sitemap.xml
Sitemap: https://www.keller-lufttechnik.ch/image-sitemap.xml
Sitemap: https://www.kellerusa.com/sitemap.xml
Sitemap: https://www.kellerusa.com/image-sitemap.xml

User-agent: *

Disallow: *cHash*
Disallow: /luftrein/
Disallow: /luftrein-en/
Disallow: /fileadmin/user_upload/*.pdf$
Disallow: /fileadmin/user_upload/*.PDF$

Similar sites

Search preview

www.keller-lufttechnik.de
Absaugtechnik für die Industrie | Keller Lufttechnik
Maßstab für reine Luft. Individuelle Absauglösungen für die Industrie. Erfahren Sie mehr über unsere Produkte und Leistungen auf unserer Website.

Most important keywords

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

KeywordResultRecheck
Luft88%Check
Reine Luft76%Check
Industrie73%Check
Keller64%Check
Keller Lufttechnik63%Check
Absaugtechnik62%Check
Saubere Luft62%Check
Luft am Arbeitsplatz54%Check
Absauglösungen50%Check
Maßstab50%Check
Show more keywords and terms

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