Lenz.ch - SEO Checker

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Overview of the SEO Check
Meta information
80% 
Page quality
37% 
Page structure
16% 
Link structure
96% 
Server
91% 
External factors
49% 
SEO Score
Response time
0.07 s
File size
22.40 kB
Words
145
Media files
10
Number of links
21 internal / 1 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
H. Lenz AG - Solar- und Gebäudetechnik
The length of the page title is perfect. (365 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Solartechnik und Gebäudetechnik gehören zu unseren Kernkompetenzen. Je nach Bedarf unterstützen wir Sie von der Beratung und Planung über die Auswahl und Lieferung von Produkten bis zu Installation und Service.
The meta description is too long: 1354 pixels from max. 1000 pixels. Optimize description
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://lenz.ch/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: de
Language defined in HTML: de
Server location: Lithuania
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 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, shrink-to-fit=no
descriptionSolartechnik und Gebäudetechnik gehören zu unseren Kernkompetenzen. Je nach Bedarf unterstützen wir Sie von der Beratung und Planung über die Auswahl und Lieferung von Produkten bis zu Installation und Service.
keywordslenz heizsysteme, lenz solarsysteme, lenz solartechnik und wärmetechnik, solarenergie, sonnenenergie, sonnenkollektoren, heizleisten, wärmespeicher, oelheizungen, gasheizungen, holzheizungen, wärmepumpen, pelletheizungen, holzöfen wassergeführt, heizleisten, wandheizungen, fussbodenheizungen
google-site-verification869V3unfjz0-w2gl9nsfxnNgM09bPr09QbmO_Vqiw1E
langde
twitter:image:altH. Lenz AG - Solar- und Gebäudetechnik
og:imagehttps://lenz.ch/s3/a/wsw.website.11531/public/images/pages/lenz-logo-rgb-240-fw.png
charsetutf-8

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Page quality

Content
(Critically important)
There are only 145 words on this page. Use at least 250 words to provide useful information.
Words from the H1 heading are not used in the page content.
Only 1 paragraph/s was/were found on this page.
28.3% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 12 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, shrink-to-fit=no" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
The amount of tags is very high (9). We recommend using a maximum of 6 tags for this page.
The following tag is repeated too often: ... mehr info
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
...blic/images/pages/folder.5/site_logo.pngH. Lenz AG - Solar- und GeäudetechnikH. Lenz AG - Solar- und Geäudetechnik
...h-lenz-solar-und-gebaeudetechnik1000.pngNo alt attribute provided
.../pages/folder.4/frontbild-haus-2025.webpNo alt attribute provided
...2-waermeerzeugung-1200x600px-201809.jpegNo alt attribute provided
...z-04-solarthermie-1200x600px-201809.jpegNo alt attribute provided
...aermeverteilung-1200x600px-201809-2.jpegNo alt attribute provided
...1/public/images/pages/minenergie-280.pngNo alt attribute provided
.../public/images/pages/solarprofi-2025.pngNo alt attribute provided
...ages/logo-variotherm.1.67ea91f23e2f4.pngNo alt attribute provided
...ages/logo-variotherm.1.67ea921ebc1a1.pngNo alt attribute provided

Page structure

H1 heading
(Critically important)
Herzlich Willkommen bei H. Lenz AG Solar- und Gebäudetechnik
The H1 heading contains the words Willkommen bei! Use important keywords instead.
Too many H1 headings
Headings
(Important)
Some headings occur twice on the page.
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H1 Herzlich Willkommen bei H. Lenz AG Solar- und Gebäudetechnik
H1 Dienstleistungen
H3 Heizungen und Solaranlagen aus einer Hand
H4 Generalvertretung
H4 Kontakt
H4 Öffnungszeiten
H4 Generalvertretung Duplicate text
H4 ... weitere Links
Some anchor texts are used more than once.
1 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 1 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://lenz.ch/H. Lenz AG - Solar- und Geäudetechnik
IMG-ALT H. Lenz AG - Solar- und Geäudetechnik
https://lenz.ch/Home
https://lenz.ch/Dienstleistungen
https://lenz.ch/service-wissenHilfe & Support
https://lenz.ch/teamFirma
https://lenz.ch/mitarbeiterTeam
https://lenz.ch/kontaktKontakt
https://lenz.ch/service-wissenHilfe & Support für Ihre Anlage
https://lenz.ch/heizsystemeHeizsysteme
https://lenz.ch/solarsystemeSolarsysteme
https://lenz.ch/waermeabgabeWärmeabgabe
https://lenz.ch/variothermNo Text
https://lenz.ch/variotherm... mehr Info
https://lenz.ch/variothermText duplicate ... mehr Info
https://lenz.ch/solarstromanlageSolarstromanlage H.Lenz AG
https://lenz.ch/service-wissenService / Wissen
https://www.google.ch/maps/pla...New window External Subdomain Lageplan
https://lenz.ch/videosVideo
https://lenz.ch/www.explore.liNew window WebDesign by EXPLORE GmbH
https://lenz.ch/impressumImpressum
https://lenz.ch/datenschutzDatenschutz
/files/agb-2025-januar-neu.pdfNew window AGB

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://lenz.ch/"
HTTP header
(Important)
The web server version is sent within the HTTP header.
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 0.07 seconds.
The file size of the HTML document is fine (22 kB).

HTTP Response Header

NameValue
servernginx/1.18.0 (Ubuntu)
content-typetext/html; charset=UTF-8
cache-controlmax-age=1
dateTue, 03 Jun 2025 14:40:42 GMT
expiresTue, 03 Jun 2025 16:35:49 GMT
x-fastcgi-cacheHIT
content-encodinggzip
strict-transport-securitymax-age=16000000; includeSubDomains; preload;
statuscode200
http_versionHTTP/2

External factors

This page has only a few links from other websites.
This page only has backlinks from 8 referring domains.
This page only has 14 backlinks.
This page only has few backlinks from 5 different ip addresses.
This page is referenced by wikipedia.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-agent: *
Allow: /
sitemap: https://lenz.ch/s3/system/wsw.system/public/sitemaps/wsw_11531/lenz.ch/sitemap.xml

Similar sites

Search preview

lenz.ch
H. Lenz AG - Solar- und Gebäudetechnik
Solartechnik und Gebäudetechnik gehören zu unseren Kernkompetenzen. Je nach Bedarf unterstützen wir Sie von der Beratung und Planung über die Auswahl und Lieferung von Produkten bis zu Installation und Service.

Most important keywords

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

KeywordResultRecheck
Solar88%Check
lenz84%Check
Lenz AG82%Check
Gebäudetechnik75%Check
Gebäudetechnik gehören60%Check
Service51%Check
Herzlich Willkommen50%Check
zu Installation48%Check
unterstützen46%Check
Solartechnik46%Check
Show more keywords and terms

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