Sdl.ch - SEO Checker

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Overview of the SEO Check
Meta information
100% 
Page quality
54% 
Page structure
95% 
Link structure
52% 
Server
95% 
External factors
21% 
SEO Score
Response time
3.00 s
File size
84.40 kB
Words
279
Media files
17
Number of links
55 internal / 0 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
SDL AG: Oberflächenbeschichtung und Korrosionsschutz
The length of the page title is perfect. (512 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Die SDL AG ist spezialisiert auf Verzinken, Farbbeschichten und Nasslackieren: Oberflächentechnik und Korrosionsschutz für hohe Ansprüche.
The length of the meta description is perfect. (879 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://sdl.ch/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: de
Language defined in HTML: de-ch
Server location: Germany
The following language is defined by HTML: de-ch
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
robotsindex, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
descriptionDie SDL AG ist spezialisiert auf Verzinken, Farbbeschichten und Nasslackieren: Oberflächentechnik und Korrosionsschutz für hohe Ansprüche.
generatorElementor 3.28.4; features: additional_custom_breakpoints, e_local_google_fonts; settings: css_print_method-external, google_font-enabled, font_display-auto
msapplication-TileColor#36373a
theme-color#36373a
article:modified_time2024-01-10T13:28:34+00:00
langde-ch
twitter:cardsummary_large_image
og:localede_DE
og:typewebsite
og:titleSDL AG: Oberflächenbeschichtung und Korrosionsschutz
og:descriptionDie SDL AG ist spezialisiert auf Verzinken, Farbbeschichten und Nasslackieren: Oberflächentechnik und Korrosionsschutz für hohe Ansprüche.
og:urlhttps://sdl.ch/
og:site_nameSDL AG
og:imagehttps://sdl.ch/wp-content/uploads/elementor/thumbs/sdl-stoerer-wir-suchen-sie-qi3ttvnzjhpgec8bgm0y0narpue3x4yr7mpbkb2r70.png
X-UA-Compatibleie=edge
charsetUTF-8

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Page quality

Content
(Critically important)
Words from the H1 heading are not used in the page content.
There are only 279 words on this page. Good pages should have about 800 words of useful content.
There are 2 text duplicates on this page:
  • Duplicate: Bei uns erhalten Sie Oberflächenbeschichtung und Korrosionsschutz von ...
33.3% 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.
5 paragraphs were found on this page.
No placeholders texts or images were found.
The average number of words per sentence of 18.44 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 6 tags for this page.
Image SEO
(Somewhat important)
5 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
/wp-content/uploads/2019/11/logo.pngNo alt attribute provided
/wp-content/uploads/2019/10/sdl-logo.jpgNo alt attribute provided
/wp-content/uploads/2019/11/logo.pngNo alt attribute provided
/wp-content/uploads/2019/10/sdl-logo.jpgNo alt attribute provided
...nzjhpgec8bgm0y0narpue3x4yr7mpbkb2r70.pngWir suchen Sie!sdl-stoerer-wir-suchen-sie
...ontent/uploads/2019/10/home_slider_1.jpgVerzinken, Feuerverzinken, Tauchbäder, ausgewiesenes Fachwissen
...ontent/uploads/2019/10/home_slider_2.jpgFarbbeschichten, Nasslackieren und Duplexieren
...ontent/uploads/2019/10/home_slider_3.jpgDuplexieren, Pulverbeschichten, Farbauftrag, Oberflächentechnik
...ontent/uploads/2019/10/home_slider_4.jpgSandstrahlen, Oberflächenbehandlung und Dupxlexieren
...ent/uploads/2019/10/teaser_500x510_1.jpgVerzinkung, Feuerverzinkung im Tauchbad
...ent/uploads/2019/10/teaser_500x510_2.jpgFarbbeschichten, Nasslackieren und Duplexieren
...ent/uploads/2019/10/teaser_500x510_3.jpgLogistik, Fahrzeugflotte, Transport
...ent/uploads/2019/10/teaser_500x510_4.jpgBeratungscenter - die SDL bietet Kunden Fachschulungen, Problemlösungen und zeigt verzinkungsgerechtes Konstruieren
...ntent/uploads/2019/10/grid_500x460_1.jpgUnternehmensportrait, Dienstleistungen, fachgerechte Aufbereitung Ihrer Konstruktionsteile
...ntent/uploads/2019/10/grid_500x460_2.jpgDienstleistungen, Kundenlösungen, individuelle Projektbetreuung
...nt/uploads/2019/10/logo-orange-white.jpgNo alt attribute provided

Page structure

H1 heading
(Critically important)
Engagiert. zuverlässig. einfach.
The H1 heading is perfect.
Headings
(Important)
Some headings occur twice on the page.

Heading structure

Heading levelContent
H1 Engagiert. zuverlässig. einfach.
H2 Willkommen bei der SDL AG
H2 Willkommen bei der SDL AG Duplicate text
H2 Unser Unternehmen
H2 Dienstleistungen
H3 NEWS
H4 Verzinken
H4 Farbbeschichten
H4 Logistik
H4 Beratungscenter
Some anchor texts are used more than once.
There are 1 links with a trivial 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 no external links on this page.

Found links on this page

LinkAttributesAnchor text
https://sdl.ch/No Text
https://sdl.ch/dienstleistungen/Dienstleistungen
/dienstleistungen/verzinken/Verzinken
/dienstleistungen/farbbeschich...Farbbeschichten
/dienstleistungen/logistik/Logistik
https://sdl.ch/beratungscenter/Beratungscenter
/unternehmen/portrait/Unternehmen
/unternehmen/portrait/Portrait
/unternehmen/ansprechpersonen/Ansprechpersonen
/unternehmen/sdl-gruppe/SDL-Gruppe
/unternehmen/offene-stellen/Offene Stellen
https://sdl.ch/dokumente/Dokumente
https://sdl.ch/kontakt/Kontakt
https://sdl.ch/news/News
/wp-content/uploads/2022/08/SL...New window Bestellen
https://sdl.ch/No Text
https://sdl.ch/dienstleistungen/Text duplicate Dienstleistungen
/dienstleistungen/verzinken/Text duplicate Verzinken
/dienstleistungen/farbbeschich...Text duplicate Farbbeschichten
/dienstleistungen/logistik/Text duplicate Logistik
https://sdl.ch/beratungscenter/Text duplicate Beratungscenter
/unternehmen/portrait/Text duplicate Unternehmen
/unternehmen/portrait/Text duplicate Portrait
/unternehmen/ansprechpersonen/Text duplicate Ansprechpersonen
/unternehmen/sdl-gruppe/Text duplicate SDL-Gruppe
/unternehmen/offene-stellen/Text duplicate Offene Stellen
https://sdl.ch/dokumente/Text duplicate Dokumente
https://sdl.ch/kontakt/Text duplicate Kontakt
https://sdl.ch/news/Text duplicate News
/wp-content/uploads/2022/08/SL...New window Text duplicate Bestellen
/unternehmen/offene-stellen/IMG-ALT Wir suchen Sie!
https://sdl.ch/kontakt/Text duplicate Kontakt
https://sdl.ch/news-16012025/NEWS
https://sdl.ch/news-16012025/Trivial anchor text
Weiterlesen
https://sdl.ch/kontakt/Text duplicate Kontakt
/dienstleistungen/verzinken/IMG-ALT Verzinkung, Feuerverzinkung im Tauchbad
/dienstleistungen/verzinken/Text duplicate Verzinken
/dienstleistungen/farbbeschich...IMG-ALT Farbbeschichten, Nasslackieren und Duplexieren
/dienstleistungen/farbbeschich...Text duplicate Farbbeschichten
/dienstleistungen/logistik/IMG-ALT Logistik, Fahrzeugflotte, Transport
/dienstleistungen/logistik/Text duplicate Logistik
https://sdl.ch/beratungscenter/IMG-ALT Beratungscenter - die SDL bietet Kunden Fachschulungen, Problemlösungen und zeigt verzinkungsgerechtes Konstruieren
https://sdl.ch/beratungscenter/Text duplicate Beratungscenter
/unternehmen/portrait/Zum Portrait
https://sdl.ch/dienstleistungen/Zum Angebot
https://sdl.ch/impressumImpressum
/datenschutzerklaerungDatenschutz
https://sdl.ch/dienstleistungen/Text duplicate Dienstleistungen
https://sdl.ch/beratungscenter/Text duplicate Beratungscenter
/unternehmen/portrait/Text duplicate Unternehmen
https://sdl.ch/dokumente/Text duplicate Dokumente
https://sdl.ch/kontakt/Text duplicate Kontakt
https://sdl.ch/news/Text duplicate News
/wp-content/uploads/2019/12/SD...Text duplicate Bestellen
/datenschutzerklaerungNew window Datenschutzerklärung

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://sdl.ch/"
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 very slow (3.00 seconds). The response time should be less than 0.4 seconds. Slow websites are bad for search engine bots and also result in bad user experience.
The file size of the HTML document is fine (84 kB).

HTTP Response Header

NameValue
servernginx
dateMon, 23 Jun 2025 11:22:14 GMT
content-typetext/html; charset=UTF-8
content-length16411
varyAccept-Encoding,Cookie
link<https://sdl.ch/wp-json/>; rel="https://api.w.org/", <https://sdl.ch/wp-json/wp/v2/pages/7>; rel="alternate"; title="JSON"; type="application/json", <https://sdl.ch/>; rel=shortlink
set-cookie99 Characters
content-encodinggzip
strict-transport-securitymax-age=63072000
statuscode200
http_versionHTTP/2

External factors

This page has only a few links from other websites.
This page only has backlinks from 7 referring domains.
This page only has 25 backlinks.
This page only has few backlinks from 6 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

# START YOAST BLOCK
# ---------------------------
User-agent: *
Disallow:

Sitemap: https://sdl.ch/sitemap_index.xml
# ---------------------------
# END YOAST BLOCK

Similar sites

Search preview

sdl.ch
SDL AG: Oberflächenbeschichtung und Korrosionsschutz
Die SDL AG ist spezialisiert auf Verzinken, Farbbeschichten und Nasslackieren: Oberflächentechnik und Korrosionsschutz für hohe Ansprüche.

Most important keywords

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

KeywordResultRecheck
SDL88%Check
SDL AG86%Check
Korrosionsschutz56%Check
Verzinken52%Check
Farbbeschichten52%Check
Engagiert50%Check
zuverlässig50%Check
einfach50%Check
Oberflächentechnik48%Check
Nasslackieren48%Check
Show more keywords and terms

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