Tzwl.de - SEO Checker

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Overview of the SEO Check
Meta information
65% 
Page quality
36% 
Page structure
100% 
Link structure
65% 
Server
46% 
External factors
100% 
SEO Score
Response time
0.45 s
File size
122.00 kB
Words
218
Media files
2
Number of links
33 internal / 0 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
TZWL – Europäisches Testzentrum für Wohnungslüftungsgeräte e. V.
The page title should be shorter than 580 pixels. It is 620 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)
https://tzwl.de/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: de
Language defined in HTML: de-de
Server location: Germany
The following language is defined by HTML: de-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, maximum-scale=1, user-scalable=0
robotsmax-image-preview:large
generatorElementor 3.18.3; features: e_dom_optimization, e_optimized_assets_loading, block_editor_assets_optimize, e_image_loading_optimization; settings: css_print_method-external, google_font-enabled, font_display-auto
msapplication-TileImagehttps://tzwl.de/wp-content/uploads/2023/12/cropped-Zeichenflaeche-1-270x270.png
langde-de
og:site_nameTZWL
og:titleStartseite
og:descriptionInfoportalWohnungslüftung Sie sind Eigentümer einer Immobilie oder bauen gerade neu und wollen mehr über die Technik und Geräte der Wohnungslüftung erfahren? Im Infoportal Wohnungslüftung informieren wir über die Wohnungslüftungsgeräte am Markt. Wir erklären Ihnen, welche Technik hinter guter Wohnungsluft steckt, und geben Ihnen Tipps zur Förderung. TZWLPrüfstelle Sie sind Hersteller von Wohnungslüftungsgeräten und benötigen eine…
og:urlhttps://tzwl.de/
og:typewebsite
charsetUTF-8

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Page quality

Content
(Critically important)
There are only 218 words on this page. Use at least 250 words to provide useful information.
Only 2 paragraph/s was/were found on this page.
32.1% 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.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 16.83 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
This page loads 28 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1, maximum-scale=1, user-scalable=0" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
Some tags are too long. With 131 characters this one is longer than 70 characters:
"sie sind eigentümer einer immobilie oder bauen gerade neu und wollen mehr über die technik und geräte ..."
Image SEO
(Somewhat important)
Alt text (alternative text) is correctly used on all found images.
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/2023/12/TZWL_Logo.svgTZWL
...ontent/uploads/2023/04/logo-mob-tzwl.pngTZWL

Page structure

H1 heading
(Critically important)
Infoportal Wohnungslüftung
The H1 heading is perfect.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Infoportal Wohnungslüftung
H2 TZWL Prüfstelle
H3 TZWL eBulletin 24.1
H3 Wir listen 173 Lüftungsgeräte von 30 Herstellern
H3 Neuigkeiten
H3 Wir haben bereits über 380 Wohnungslüftungsgeräte geprüft
Some anchor texts are used more than once.
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 no external links on this page.

Found links on this page

LinkAttributesAnchor text
https://tzwl.de/Anchor Zum Inhalt springen
https://tzwl.de/IMG-ALT TZWL
/infoportal-wohnungslueftung/Infoportal Wohnungslüftung
https://tzwl.de/ipw/Geräteliste Wohnraumlüftung
/infoportal-wohnungslueftung/f...Förderung Wohnraumlüftung
/infoportal-wohnungslueftung/w...Wissen zur Wohnraumlüftung
/infoportal-wohnungslueftung/l...Lüftungskonzept nach DIN 1946-6
/infoportal-wohnungslueftung/e...TZWL-eBulletin
https://tzwl.de/tzwl-pruefstelle/Prüfstelle
/tzwl-pruefstelle/dakks-akkred...DAkkS Akkreditierung DIN 17025
/tzwl-pruefstelle/normen-richt...Normen & Richtlinien
/tzwl-pruefstelle/consulting/Consulting
/tzwl-pruefstelle/forschung-en...Forschung & Entwicklung
https://tzwl.de/ueber-tzwl/Über TZWL
/ueber-tzwl/neuigkeiten/Neuigkeiten
/infoportal-wohnungslueftung/Text duplicate Infoportal Wohnungslüftung
https://tzwl.de/ipw/Text duplicate Geräteliste Wohnraumlüftung
/infoportal-wohnungslueftung/f...Text duplicate Förderung Wohnraumlüftung
/infoportal-wohnungslueftung/w...Text duplicate Wissen zur Wohnraumlüftung
/infoportal-wohnungslueftung/l...Text duplicate Lüftungskonzept nach DIN 1946-6
/infoportal-wohnungslueftung/e...Text duplicate TZWL-eBulletin
https://tzwl.de/tzwl-pruefstelle/Text duplicate Prüfstelle
/tzwl-pruefstelle/dakks-akkred...Text duplicate DAkkS Akkreditierung DIN 17025
/tzwl-pruefstelle/normen-richt...Text duplicate Normen & Richtlinien
/tzwl-pruefstelle/consulting/Text duplicate Consulting
/tzwl-pruefstelle/forschung-en...Text duplicate Forschung & Entwicklung
https://tzwl.de/ueber-tzwl/Text duplicate Über TZWL
/ueber-tzwl/neuigkeiten/Text duplicate Neuigkeiten
https://tzwl.de/ipw/Wir listen 173 Lüftungsgeräte von 30 Herstellern
A-TITLE Zur Herstellerliste
https://tzwl.de/tzwl-pruefstelle/Wir haben bereits über 380 Wohnungslüftungsgeräte geprüft
https://tzwl.de/impressum/Impressum
https://tzwl.de/agb/AGB
https://tzwl.de/datenschutz/Datenschutz

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://tzwl.de/"
HTTP header
(Important)
The web server version is sent within the HTTP header.
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time of 0.45 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 27 CSS files. This may affect the page load time negatively.
This page loads 28 JavaScript files. This may affect the load time negatively.
The file size of the HTML document is fine (122 kB).

HTTP Response Header

NameValue
dateSat, 27 Apr 2024 20:43:13 GMT
serverApache/2.4.29 (Ubuntu)
link<https://tzwl.de/wp-json/>; rel="https://api.w.org/"
varyAccept-Encoding
content-encodinggzip
content-length20249
content-typetext/html; charset=UTF-8
statuscode200
http_versionHTTP/1.1

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This website has excellent links from other websites.
This page has backlinks from 84 referring domains.
This page has 4,753 backlinks.
This page has backlinks from 77 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares and comments on Facebook.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: *
Disallow: /wp-admin/
Allow: /wp-admin/admin-ajax.php

Sitemap: https://tzwl.de/wp-sitemap.xml

Similar sites

Search preview

Most important keywords

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

KeywordResultRecheck
TZWL74%Check
Wohnungslüftung69%Check
TZWL Europäisches62%Check
Infoportal Wohnungslüftung61%Check
Geräte58%Check
Lüftungsgeräte58%Check
TZWL Europäisches Testzentrum57%Check
Wohnungslüftungsgeräte54%Check
Infoportal50%Check
Tel47%Check
Show more keywords and terms

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