Diessner-sicherheitstechnik.de - SEO Checker

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Overview of the SEO Check
Meta information
97% 
Page quality
76% 
Page structure
54% 
Link structure
91% 
Server
100% 
External factors
30% 
SEO Score
Response time
0.19 s
File size
59.40 kB
Words
1068
Media files
41
Number of links
49 internal / 16 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Diessner Sicherheitstechnik - Moderne Schließsysteme für Sie!
The length of the page title is perfect. (563 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Ihr Fachgeschaeft für moderne Schließsysteme, Schlösser und Schließanlagen, Hochwertige Sicherheitssysteme für Wohnug, Haus und Gewerbe in Berlin
The length of the meta description is perfect. (954 pixels out of 1000 max pixel length)
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: United States of America
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 name is very long.
The domain is no subdomain.
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)
The favicon is linked correctly.

Meta tags

NameValue
descriptionIhr Fachgeschaeft für moderne Schließsysteme, Schlösser und Schließanlagen, Hochwertige Sicherheitssysteme für Wohnug, Haus und Gewerbe in Berlin
keywordsSchlüsseldienst, Sicherheitstechnik, Schliessanlagen, Alarmanlagen, Digitale Schließanlagen, Fenstersicherungen
viewportwidth=device-width, initial-scale=1.0
generatorZeta Producer 14.3.3.0, ZP14X, 04.09.2018 12:40:38
robotsindex, follow
langde
charsetutf-8

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Page quality

Content
(Critically important)
There are 3 text duplicates on this page:
  • Duplicate: Ihr Browser kann die angegebene Filmdatei leider nicht abspielen, da e...
This page contains 1068 words. That's ok.
38.3% 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.
23 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 15.09 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.
Bold and strong tags
(Somewhat important)
The following tag is repeated too often: mehr infos
Image SEO
(Somewhat important)
24 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
/assets/logo.pngindex.html
/assets/logo.pngindex.html
/media/images/renz_briefkasten-large.jpgNo alt attribute provided
...-evolo-banner2-digitalzylinder-large.jpgNo alt attribute provided
/media/images/simonsvoss-banner2-large.jpgNo alt attribute provided
/media/images/ecliq-welt-neuheit-large.jpgNo alt attribute provided
/media/images/profi-errichter-button.jpgAbus Fenstersicherungen
/media/images/simonsvoss-erichter-01.jpgSimonsVoss Digitaleschliessanlagen Berlin
/media/images/geminyfachaendler-01.jpgGeminy Sicherungen
/media/images/dormakaba_partner.jpgDormakaba Digitaleschliessanlagen Berlin
/media/images/bild5_simonsvoss.jpgSimonsVoss Digitalzylinder und Beschläge
/media/images/bild7_fensterschloss.jpgBurgwächter Fenstersicherungen
/media/images/bild8_pexton.jpgPaxton zutrittskontrolle
/media/images/bild1_kaba.jpgKABA Evolo Schliesssysteme Berlin
/media/images/ajax_banner2.jpgAjax Sicherheitssystem bei Diessner Sicherheitstechnik
...a/images/thumbnails/abuslogo-200x150.jpgNo alt attribute provided
...ia/images/thumbnails/bkslogo-200x150.jpgNo alt attribute provided
.../thumbnails/burgwaechterlogo-200x150.jpgNo alt attribute provided
...ia/images/thumbnails/domlogo-200x150.jpgNo alt attribute provided
...ges/thumbnails/dormakabalogo-200x150.jpgNo alt attribute provided
...a/images/thumbnails/evvalogo-200x150.jpgNo alt attribute provided
...images/thumbnails/geminylogo-200x150.jpgNo alt attribute provided
...ia/images/thumbnails/gfslogo-200x150.jpgNo alt attribute provided
...images/thumbnails/hoppelogo2-200x150.jpgNo alt attribute provided
...a/images/thumbnails/ikonlogo-200x150.jpgNo alt attribute provided
...humbnails/kaercherdesignlogo-200x150.jpgNo alt attribute provided
/media/images/thumbnails/iloq-200x150.jpgNo alt attribute provided
...images/thumbnails/paxtonlogo-200x150.jpgNo alt attribute provided
...es/thumbnails/simonsvosslogo-200x150.jpgNo alt attribute provided
...a/images/thumbnails/renzlogo-200x150.jpgNo alt attribute provided
...thumbnails/ajax_system_weiss-200x150.jpgNo alt attribute provided
/media/images/dorma-kaba-logo02.pngNo alt attribute provided
/media/images/dorma-mechanik2.jpgdormakaba Schließanlagen- expert cross- pextra Q
/media/images/evolo-smart-handy-frau.jpgdigitale compakte Schliessanlage evolosmart
/media/images/frau-icliq-1500b.jpgNo alt attribute provided
/media/images/simosvoss_systempartner.jpgNo alt attribute provided
/media/images/iloq_partner.jpgNo alt attribute provided
/media/images/dorma_kaba_info2.jpgDormaKaba System
Video URLWidthHeight
...ia/files/SIMONS-VOSS--System-3060(1).mp4
.../ABUS-Einbruchschutzkampagne-2017-HD.mp4
...--zwei-Rollen-doppelte-Sicherheit-01.mp4

Page structure

H1 heading
(Critically important)
Sicherheitstechnik vom Fachmann
Too many H1 headings
Headings
(Important)
There are 33 headings on the page. The amount of headings should be in a more proper relation to the amount of text.

Heading structure

Heading levelContent
H1 Sicherheitstechnik vom Fachmann
H1 Digitale und mechanische Zutrittslösungen in skalierbarer Form und Funktion.
H2 Aktiv und passive Zutrittskontrolle
H2 eCLIQ -
H2 Simons&Voss
H2 Schützen Sie sich!
H2 DOM Schließzylinder
H2 iLOQ
H2 AJAX
H2 Sicherheit Flexibilität und Freiheit
H2 dormakaba Digitale Welt
H3 Briefkästen von Renz - Qualität trifft auf Design
H3 dormakaba Zutrittslösungen für Business, Wohnungsbau & Smart Living
H3 Sofort-Hilfe vom Fachmann
H3 Hilfe bei Einbruchschäden
H3 ABUS
H3 BKS
H3 Burg Wächter
H3 Dom Sicherheitstechnik
H3 Dormakaba
H3 EVVA
H3 GEMINY
H3 GFS
H3 HOPPE
H3 IKON
H3 KARCHER
H3 Paxton
H3 SimonsVoss
H3 Renz
H3 Evolo Manager - Matrix one - Exivo - Evolo Smart
H3 SimonsVoss System Partner
H3 ILOQ System Partner
H3 Dormakaba Solution Partner
Some anchor texts are used more than once.
2 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 16 external links on this page.

Found links on this page

LinkAttributesAnchor text
/index.htmlIMG-ALT index.html
/index.htmlDiessner Sicherheitstechnik
/index.htmlText duplicate IMG-ALT index.html
/index.htmlHome
/tuersicherheit.htmlEinbruchschutz
/tuersicherheit.htmlTürsicherheit
/fenstersicherungen.htmlFenstersicherungen
/alarmanlagen.htmlAlarmanlagen
/ajax-sicherheitssystem.htmlAJAX SICHERHEITSSYSTEM
/mechanische-schliesssysteme.htmlSchliesssysteme
/mechanische-schliesssysteme.htmlMechanische Schliesssysteme
/digitale-schliesssysteme.htmlDigitale Schliesssysteme
/iloq.htmlILOQ
/simonsvoss.htmlSimonsVoss
/Dormakaba-Evolo-Berlin.htmlDormaKaba evolo
/dorma-kaba-evolo-smart.htmlDorma Kaba Evolo Smart
/ecliq-01.htmleCLIQ
/schliessanlagen-Haus-Wohnung-...Schließanlagen
/dom-roq-motorzylinder.htmlDOM ROQ Motorzylinder
/montage-beratung-service.htmlService
/kontaktformular-Sicherheitste...Kontakt
/oeffnungszeiten-01.htmlÖffnungszeiten
/kontaktformular-Sicherheitste...Kontaktformular
/wegbeschreibung-Geschaeftsste...Wegbeschreibung
/datenschutz.htmlDatenschutz
/job-angebot.htmlJobs
/bewerbung-buero.htmlBewerbung Technik
/job-angebot-01.htmlAusbildung 2025
/ecliq-01.htmleCLIQ -
/fenstersicherungen.htmlMehr Infos
/digitale-schliesssysteme.htmlText duplicate Mehr Infos
/digitale-schliesssysteme.htmlText duplicate Mehr Infos
http://www.safeyou.de/contents...New window External Subdomain IMG-ALT SimonsVoss Digitalzylinder und Beschläge
/fenstersicherungen.htmlIMG-ALT Burgwächter Fenstersicherungen
http://www.safeyou.de/contents...New window External Subdomain IMG-ALT Paxton zutrittskontrolle
/ajax-sicherheitssystem.htmlIMG-ALT Ajax Sicherheitssystem bei Diessner Sicherheitstechnik
/media/files/SIMONS-VOSS--Syst...SIMONS VOSS System 3060(1).mp4
/media/files/ABUS-Einbruchschu...ABUS-Einbruchschutzkampagne-2017-HD.mp4
/media/files/DOM-ix-TwinStar--...DOM ix TwinStar - zwei Rollen doppelte Sicherheit.mp4
http://www.abus.com/ger/New window External Subdomain ABUS Abus
https://www.g-u.com/tuertechni...New window External Subdomain BKS
https://www.burg.biz/New window External Subdomain Burg Wächter
http://www.dom-group.eu/home/New window External Subdomain Dom Sicherheitstechnik
https://www.dormakaba.com/de-deNew window External Subdomain Dormakaba Dormakaba
http://www.evva.de/New window External Subdomain EVVA
http://drumm-sicherheit.de/de/New window External GEMINY
https://www.gfs-online.com/ind...New window External Subdomain GFS
https://www.hoppe.com/de/de/homeNew window External Subdomain HOPPE
https://www.ikon.de/de/site/ikon/New window External Subdomain IKON
/media/images/kaercherdesignlo...KARCHER
/media/images/iloq-large.jpgiLOQ
https://www.paxton-gmbh.de/External Subdomain Paxton
https://www.simons-voss.com/New window External Subdomain Text duplicate SimonsVoss
https://www.briefkasten.de/New window External Subdomain Renz
/ajax-sicherheitssystem.htmlAJAX
/ecliq-01.htmlNo Text
/media/images/simosvoss_system...No Text
/iloq.htmlIch möchte mehr erfahren.
/index.htmlStartseite
/kontaktformular-Sicherheitste...Text duplicate Kontakt
/impressum.htmlImpressum
/datenschutz.htmlText duplicate Datenschutz
/schliessanlagen-Haus-Wohnung-...Schliessanlagen
http://www.safeyou.de/New window External Subdomain Safeyou
/Anchor A-TITLE Nach oben / To top

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.diessner-sicherheitstechnik.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 0.19 seconds.
The file size of the HTML document is fine (59 kB).

HTTP Response Header

NameValue
last-modifiedThu, 13 Nov 2025 08:19:05 GMT
etag"ed99-6437588cbf361-gzip"
accept-rangesbytes
varyAccept-Encoding
content-encodinggzip
content-length13377
content-typetext/html
dateSun, 30 Nov 2025 15:51:25 GMT
serverApache
statuscode200
http_versionHTTP/2

External factors

This page has only a few links from other websites.
This page only has backlinks from 10 referring domains.
This page only has 26 backlinks.
This page only has few backlinks from 10 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

www.diessner-sicherheitstechnik.de
Diessner Sicherheitstechnik - Moderne Schließsysteme für Sie!
Ihr Fachgeschaeft für moderne Schließsysteme, Schlösser und Schließanlagen, Hochwertige Sicherheitssysteme für Wohnug, Haus und Gewerbe in Berlin

Most important keywords

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

KeywordResultRecheck
Sicherheit87%Check
Sicherheitstechnik79%Check
System73%Check
Diessner Sicherheitstechnik71%Check
DOM Sicherheitstechnik62%Check
System Partner60%Check
Diessner59%Check
moderne58%Check
Schließsystem56%Check
System 306055%Check
Show more keywords and terms

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