Firma-hagedorn.de - SEO Checker

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Overview of the SEO Check
Meta information
58% 
Page quality
36% 
Page structure
95% 
Link structure
96% 
Server
45% 
External factors
18% 
SEO Score
Response time
0.04 s
File size
6.90 kB
Words
418
Media files
8
Number of links
8 internal / 10 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Hagedorn GmbH: Fachbetrieb für Heizung, Lüftung, Sanitär in Dortmund
The page title should be shorter than 580 pixels. It is 647 pixels long. Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
The meta description is missing.
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
No canonical link is specified.
Language
(Somewhat important)
Language detected in text: de
Language defined in HTML: de
Server location: Germany
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 character encoding is not specified in the HTTP header.
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
viewportwidth=device-width, initial-scale=1.0
langde
charsetUTF-8

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Page quality

Content
(Critically important)
Some words from the page title are not used within the pages content
Words from the H1 heading are not used in the page content.
There are only 418 words on this page. Good pages should have about 800 words of useful content.
There are 8 text duplicates on this page:
  • Duplicate 1: Unser Leistungsspektrum reicht vom Einfamilienhaus bis zu großindustri...
  • Duplicate 2: Die persönliche Beratung vor Ort gehört genauso zu unseren Stärken, wi...
  • Duplicate 3: Die von uns angebotenen und installierten Heizungsanlagen stammen auss...
  • Duplicate 4: Um die Qualität Ihrer Heizungsanlage zu erhalten, bieten wir zudem ein...
41.1% of the text are stop words.
The page contains a listing, which indicates a good text layout.
14 paragraphs were found on this page.
No placeholders texts or images were found.
The average number of words per sentence of 15.36 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=1.0" is provided.
This page does not require any JavaScript files.
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)
7 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)
The HTTPS protocol for secure data transmission is not used.

Media list

URLAlt attributeTitle
/assets/images/logo.pngHagedorn GmbH
http://firma-hagedorn.de/images/header.jpegNo alt attribute provided
http://firma-hagedorn.de/images/heizung.jpgNo alt attribute provided
/images/lueftung-1.jpegNo alt attribute provided
/images/lueftung-2.jpgNo alt attribute provided
/images/sanitaer-1.jpgNo alt attribute provided
/images/sanitaer-2.jpgNo alt attribute provided
/images/kundendienst.jpgNo alt attribute provided

Page structure

H1 heading
(Critically important)
Liebe Interessenten,
The H1 heading is perfect.
Headings
(Important)
Some headings occur twice on the page.

Heading structure

Heading levelContent
H1 Liebe Interessenten,
H2 Heizung
H2 Lüftung
H2 Sanitär
H2 Kundendienst
H2 Nehmen Sie Kontakt auf
H3 Unsere Partner
H3 Unsere Partner Duplicate text
H3 Notdienst
There are too few (8) internal links on this page.
Every linktext is unique.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 10 external links on this page.

Found links on this page

LinkAttributesAnchor text
http://firma-hagedorn.de/IMG-ALT Hagedorn GmbH
http://firma-hagedorn.de/Anchor Heizung
http://firma-hagedorn.de/Anchor Lüftung
http://firma-hagedorn.de/Anchor Sanitär
http://firma-hagedorn.de/Anchor Kundendienst
http://firma-hagedorn.de/Anchor Kontakt
https://www.buderus.de/External Subdomain Buderus Heiztechnik
https://www.viessmann.de/External Subdomain Viessmann
https://www.vaillant.de/heizung/External Subdomain Vaillant
https://www.weishaupt.de/External Subdomain Weishaupt
https://www.elco.de/External Subdomain Elco
https://www.wolf.eu/de-deExternal Subdomain Wolf Heiztechnik
https://www.broetje.de/External Subdomain Broetje
https://www.elmer-gruppe.de/External Subdomain Elmer
https://www.gc-gruppe.de/unter...External Subdomain Heldt
https://www.mosecker.de/External Subdomain Mosecker
/impressum/Impressum
/datenschutz/Datenschutz

Server configuration

HTTP redirects
(Critically important)
The checked page does not redirect to another URL.
HTTP header
(Important)
The HTML page should be transferred using GZip compression.
No X-Powered HTTP header is sent.
Performance
(Somewhat important)
The page response time is excellent with 0.04 seconds.
This page only loads 1 CSS files. That's ok.
This page does not require any JavaScript files.
The file size of the HTML document is fine (7 kB).

HTTP Response Header

NameValue
dateTue, 12 Aug 2025 06:56:09 GMT
content-typetext/html
content-length7078
connectionkeep-alive
serverApache
statuscode200
http_versionHTTP/1.1

External factors

This page has only a few links from other websites.
This page only has backlinks from 6 referring domains.
This page only has 7 backlinks.
This page only has few backlinks from 6 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

No valid Robots.txt file was found.

Similar sites

Search preview

Most important keywords

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

KeywordResultRecheck
Hagedorn59%Check
Hagedorn GmbH54%Check
Lüftung51%Check
Sanitär51%Check
Heizung Lüftung51%Check
Liebe50%Check
Interessenten50%Check
Lüftung Sanitär50%Check
Heizung Lüftung Sanitär49%Check
Ort45%Check
Show more keywords and terms

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