Dfn-online.de - SEO Checker

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Overview of the SEO Check
Meta information
100% 
Page quality
55% 
Page structure
33% 
Link structure
63% 
Server
79% 
External factors
60% 
SEO Score
Response time
3.38 s
File size
79.00 kB
Words
475
Media files
22
Number of links
62 internal / 20 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
DFN-Online – Deutscher Fachverband Notlichtsysteme
The length of the page title is perfect. (493 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Aktuell Referenzprojekte Unsere Mitglieder
The length of the meta description is perfect. (268 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.dfn-online.de/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: de
Language defined in HTML: de-de
Server location: United States of America
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
robotsmax-image-preview:large
msapplication-TileImagehttps://www.dfn-online.de/wp-content/uploads/dfn-logo-72.png
descriptionAktuell Referenzprojekte Unsere Mitglieder
langde-de
og:localede_DE_formal
og:typewebsite
og:site_nameDFN-Online
og:titleEmpty
og:descriptionAktuell Referenzprojekte Unsere Mitglieder
og:urlhttps://www.dfn-online.de/
og:imagehttps://www.dfn-online.de/wp-content/uploads/dfn-logo_19-08-29.png
og:image:width117
og:image:height108
og:image:typeimage/png
X-UA-CompatibleIE=edge
Content-Typetext/html; charset=UTF-8

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Page quality

Content
(Critically important)
There are only 475 words on this page. Good pages should have about 800 words of useful content.
There are 8 text duplicates on this page:
  • Duplicate 1: Battery-Kutter ist ein DIN EN ISO 9001 und DIN EN ISO 14001 zertifizie...
  • Duplicate 2: Das Olympiastadion in Berlin ist ein monumentales Bauwerk. Knapp 75.00...
  • Duplicate 3: Deutscher Fachverband Notlichtsysteme (DFN) wirbt um Nachwuchs: Spezia...
  • Duplicate 4: Für alle Planer und Elektrofachkräfte, die sich mit dem Thema „Dynamis...
36.6% 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.
11 paragraphs were found on this page.
No placeholders texts or images were found.
The average number of words per sentence of 17.06 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 10 tags for this page.
Image SEO
(Somewhat important)
6 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/dfn-logo_19-08-29.pngDFN-Online Logo
/wp-content/uploads/dfn-logo-minimal.pngDFN-Online Logo
data:[...] Base64Logo ASE
data:[...] Base64Logo Ecker
data:[...] Base64Logo ER Elektonik
data:[...] Base64logo GAZ
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64Logo GFS
data:[...] Base64Logo Heinrich Notstrom Anlagen
data:[...] Base64Logo Hermann Maasewers
data:[...] Base64logo InLight
data:[...] Base64Logo Keckeisen
data:[...] Base64No alt attribute provided
data:[...] Base64Logo Pfrommer
data:[...] Base64Logo Rupprich + Partner
data:[...] Base64Logo Schuster
data:[...] Base64Logo Singer
data:[...] Base64Logo Triahtlon
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided

Page structure

H1 heading
(Critically important)
Deutscher Fachverband Notlichtsysteme
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 Deutscher Fachverband Notlichtsysteme
H1 Normen und Vorschriften Wir haben den Durchblick!
H1 DFN Seminare Unser Wissen für Ihre Sicherheit
H1 Wir sind deutschlandweit für Sie unterwegs!
H1 Das Kompetenznetzwerk für Sicherheitstechnik
H2 Aktuell
H2 DFN-Mitglied Battery-Kutter stellt sich vor
H2 DFN-Mitglied ASE sorgt für Sicherheit im Olympiastadion Berlin.
H2 Initiative für mehr Fachkräfte gestartet
H2 Leitfaden Dynamische Fluchtweglenkung
H2 DFN-Mitglied Battery-Kutter stellt sich vor Duplicate text
H2 DFN-Mitglied ASE sorgt für Sicherheit im Olympiastadion Berlin. Duplicate text
H2 Initiative für mehr Fachkräfte gestartet Duplicate text
H2 Leitfaden Dynamische Fluchtweglenkung Duplicate text
H2 Referenzprojekte
H2 Unsere Mitglieder
H4 Wir verbessern ständig unser Angebot
H4 Plugins von Dritthersteller
Some anchor texts are used more than once.
1 links don't have an anchor text.
There are 8 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 20 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.dfn-online.de/Anchor Skip to content
https://www.dfn-online.de/Subdomain IMG-ALT DFN-Online Logo
https://www.dfn-online.de/Subdomain Home
/ziele-des-dfn/Subdomain Über uns
/ziele-des-dfn/Subdomain Ziele des DFN
/vorteile-des-dfn/Subdomain Vorteile des DFN
/referenzprojekte/Subdomain Referenzprojekte
/unternehmen-im-dfn/Subdomain Unternehmen im DFN
/deutschlandkarte/Subdomain Immer in Ihrer Nähe
/mitgliederbereich/Subdomain Mitgliederbereich
/baurechtliche-regelwerke/Subdomain Normen & Vorschriften
/baurechtliche-regelwerke/Subdomain Baurechtliche Regelwerke
/dfn-batterie-leitfaden/Subdomain DFN Batterie-Leitfaden
/service/Subdomain Service
/dfn-seminare-2/Subdomain Seminare
/stellenangebote/Karriere
/kontakt/Subdomain Kontakt
https://www.dfn-online.de/Subdomain Text duplicate Home
/ziele-des-dfn/Subdomain Text duplicate Über uns
/ziele-des-dfn/Subdomain Text duplicate Ziele des DFN
/vorteile-des-dfn/Subdomain Text duplicate Vorteile des DFN
/referenzprojekte/Subdomain Text duplicate Referenzprojekte
/unternehmen-im-dfn/Subdomain Text duplicate Unternehmen im DFN
/deutschlandkarte/Subdomain Text duplicate Immer in Ihrer Nähe
/mitgliederbereich/Subdomain Text duplicate Mitgliederbereich
/baurechtliche-regelwerke/Subdomain Text duplicate Normen & Vorschriften
/baurechtliche-regelwerke/Subdomain Text duplicate Baurechtliche Regelwerke
/dfn-batterie-leitfaden/Subdomain Text duplicate DFN Batterie-Leitfaden
/service/Subdomain Text duplicate Service
/dfn-seminare-2/Subdomain Text duplicate Seminare
/stellenangebote/Text duplicate Karriere
/kontakt/Subdomain Text duplicate Kontakt
https://www.dfn-online.de/Anchor No Text
https://www.dfn-online.de/Anchor No Text
https://www.dfn-online.de/Anchor No Text
https://www.dfn-online.de/Anchor No Text
https://www.dfn-online.de/Anchor No Text
/dfn-mitglied-battery-kutter-s...Subdomain DFN-Mitglied Battery-Kutter stellt sich vor
/dfn-mitglied-battery-kutter-s...Subdomain Trivial anchor text
Weiterlesen
/projekt-olympiastadion/Subdomain DFN-Mitglied ASE sorgt für Sicherheit im Olympiastadion Berlin.
/projekt-olympiastadion/Subdomain Text duplicate Trivial anchor text
Weiterlesen
/initiative-fuer-mehr-fachkrae...Subdomain Initiative für mehr Fachkräfte gestartet
/initiative-fuer-mehr-fachkrae...Subdomain Text duplicate Trivial anchor text
Weiterlesen
/leitfaden-dynamische-fluchtwe...Subdomain Leitfaden Dynamische Fluchtweglenkung
/leitfaden-dynamische-fluchtwe...Subdomain Text duplicate Trivial anchor text
Weiterlesen
https://www.dfn-online.de/page/2/Subdomain 2
https://www.dfn-online.de/page/2/Subdomain Vor
/dfn-mitglied-battery-kutter-s...Subdomain Text duplicate DFN-Mitglied Battery-Kutter stellt sich vor
/dfn-mitglied-battery-kutter-s...Subdomain Text duplicate Trivial anchor text
Weiterlesen
/projekt-olympiastadion/Subdomain Text duplicate DFN-Mitglied ASE sorgt für Sicherheit im Olympiastadion Berlin.
/projekt-olympiastadion/Subdomain Text duplicate Trivial anchor text
Weiterlesen
/initiative-fuer-mehr-fachkrae...Subdomain Text duplicate Initiative für mehr Fachkräfte gestartet
/initiative-fuer-mehr-fachkrae...Subdomain Text duplicate Trivial anchor text
Weiterlesen
/leitfaden-dynamische-fluchtwe...Subdomain Text duplicate Leitfaden Dynamische Fluchtweglenkung
/leitfaden-dynamische-fluchtwe...Subdomain Text duplicate Trivial anchor text
Weiterlesen
https://www.dfn-online.de/page/2/Subdomain Text duplicate 2
https://www.dfn-online.de/page/2/Subdomain Text duplicate Vor
/referenzprojekte/New window Subdomain No Text
https://www.ase-kaarst.de/New window External Subdomain IMG-ALT Logo ASE
https://www.ecker.gmbh/New window External Subdomain IMG-ALT Logo Ecker
https://www.er-elektronik.de/New window External Subdomain IMG-ALT Logo ER Elektonik
https://www.gaz.de/New window External Subdomain IMG-ALT logo GAZ
http://www.czech-notstromsyste...New window External Subdomain No Text
https://www.wetac.nl/de/stand-...New window External Subdomain No Text
https://akkufischer.de/notbele...New window External No Text
https://www.gfs-stromversorgun...New window External Subdomain IMG-ALT Logo GFS
https://www.heinrich-notstroma...New window External Subdomain IMG-ALT Logo Heinrich Notstrom Anlagen
https://www.ersatzstromtechnik...New window External Subdomain IMG-ALT Logo Hermann Maasewers
https://www.inlight-gmbh.de/New window External Subdomain IMG-ALT logo InLight
https://www.inbatt.de/New window External Subdomain IMG-ALT Logo Keckeisen
http://www.permalux.com/deNew window External Subdomain No Text
https://www.pfrommergmbh.de/New window External Subdomain IMG-ALT Logo Pfrommer
https://www.rupprich-und-partn...New window External Subdomain IMG-ALT Logo Rupprich + Partner
https://www.schuster-energie.de/New window External Subdomain IMG-ALT Logo Schuster
http://www.batterieservice.de/New window External Subdomain IMG-ALT Logo Singer
https://www.triathlon-system.de/New window External Subdomain IMG-ALT Logo Triahtlon
https://ts-energy.de/New window External No Text
https://battery-kutter.de/New window External No Text
https://www.dfn-online.de/kontaktText duplicate Kontakt
/impressumImpressum
/datenschutzDatenschutz
/datenschutzDatenschutzerklärung

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.dfn-online.de/"
HTTP header
(Important)
The web server version is sent within the HTTP header.
The X-powered header is sent within the response header. (unnecessary)
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time is very slow (3.38 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 (79 kB).

HTTP Response Header

NameValue
dateMon, 02 Sep 2024 02:46:15 GMT
serverApache/2.4.62 (Unix)
x-powered-byPHP/8.1.29
link<https://www.dfn-online.de/wp-json/>; rel="https://api.w.org/", <https://www.dfn-online.de/wp-json/wp/v2/pages/12>; rel="alternate"; title="JSON"; type="application/json", <https://www.dfn-online.de/>; rel=shortlink
cache-controlmax-age=60
expiresMon, 02 Sep 2024 02:47:15 GMT
varyAccept-Encoding,User-Agent
content-encodinggzip
content-typetext/html; charset=UTF-8
accept-rangesnone
statuscode200
http_versionHTTP/2

External factors

This page has only a few links from other websites.
This page only has backlinks from 20 referring domains.
This page only has 143 backlinks.
This page only has few backlinks from 18 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

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

Sitemap: https://www.dfn-online.de/wp-sitemap.xml

Similar sites

Search preview

www.dfn-online.de
DFN-Online – Deutscher Fachverband Notlichtsysteme
Aktuell Referenzprojekte Unsere Mitglieder

Most important keywords

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

KeywordResultRecheck
DFN70%Check
Deutscher62%Check
Fachverband62%Check
Deutscher Fachverband62%Check
Deutscher Fachverband Notlichtsysteme62%Check
Notlichtsysteme61%Check
dfn-online61%Check
DFN-Online Deutscher Fachverband61%Check
Referenzprojekte50%Check
Aktuell50%Check
Show more keywords and terms

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