Erlus.com - SEO Checker

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Overview of the SEO Check
Meta information
80% 
Page quality
95% 
Page structure
99% 
Link structure
28% 
Server
78% 
External factors
100% 
SEO Score
Response time
0.41 s
File size
46.40 kB
Words
599
Media files
19
Number of links
138 internal / 5 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
ERLUS AG
The page title is too short. (100 pixels of 580 max pixel length) Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
Dachziegel, Schornsteine, Kamine, Lüftung. Ergoldsbacher Dachkeramik, Schornsteinsysteme, Lüftungsnetzwerk.
The length of the meta description is perfect. (702 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: Germany
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
robotsindex, follow
authorEmpty
googlebotnoarchive
viewportwidth=device-width, initial-scale=1.0, maximum-scale=5.0
msapplication-TileColor#ffffff
msapplication-TileImage/icon/ms-icon-144x144.png
theme-color#ffffff
descriptionDachziegel, Schornsteine, Kamine, Lüftung. Ergoldsbacher Dachkeramik, Schornsteinsysteme, Lüftungsnetzwerk.
facebook-domain-verificationy7ahjs33xugiqtmg30at6kgippm5zb
langde
content-typetext/html; charset=UTF-8

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Page quality

Content
(Critically important)
This page contains 599 words. That's ok.
27.9% of the text are stop words.
The page contains a listing, which indicates a good text layout.
5 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 16.94 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
This page loads 5 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1.0, maximum-scale=5.0" 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 12 tags for this page.
Image SEO
(Somewhat important)
4 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
This page is optimized perfectly for social networks.
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
/99_Website/Icons/Sprache.svgSpracheSprache
...S/farbig-4C/ohne Claim/Erlus_Logo_4C.svgERLUS AG | © ERLUS AG 2019ERLUS AG | © ERLUS AG 2019
...site_Slideshow-1-Biber_0080215392@2x.jpgERLUS DachERLUS Dach
...ome_RedDot_Maz_Team_Karat RS_2024@2x.jpgKarat RS - Red Dot: Best of the BestKarat RS - Red Dot: Best of the Best
...ilder für Website_Slideshow-2_KDA@2x.jpgERLUS SchornsteinERLUS Schornstein
...für Website_Slideshow-3_ViaVentoS@2x.jpgERLUS LüftungsnetzwerkERLUS Lüftungsnetzwerk
...Bilder für Website_Slideshow-4_DC@2x.jpgERLUS Download-CenterERLUS Download-Center
...ür Website_Slideshow-6_Manufaktur@2x.jpgERLUS Manufaktur ERLUS Manufaktur
/bundles/app/img/arrow_down.pngNach unten
...sch/Allgmein_730x820px_30-30Garantie.jpgMaterial- und NachkaufgarantieMaterial- und Nachkaufgarantie
...h/2024/2024_730_820px_Reddot_Trophae.jpgRed Dot Winner - Karat RSRed Dot Winner - Karat RS
...eutsch/Allgemein_730x820px_Erlutherm.pngERLUS Erlutherm BasicERLUS Erlutherm Basic
...les/Deutsch/2025_730x820px_Cool_Roof.jpgLevel RS Cool RoofLevel RS Cool Roof
/99_Website/Icons/Facebook.svgNo alt attribute provided
/99_Website/Icons/Instagram.svgNo alt attribute provided
/99_Website/Icons/LI-In-Logo.svgNo alt attribute provided
/99_Website/Icons/YT-Icon_grau_SVG.svgNo alt attribute provided
Video URLWidthHeight
...deo_geschosshoher_Schornstein(2160p).mp4100%300
...ideshow/Slideshow_HOME_Hagel_KaratRS.mp4100%300

Page structure

H1 heading
(Critically important)
AktuelleS bei Erlus
The H1 heading is too short (19 characters). It should be at least 20 Characters long.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 AktuelleS bei Erlus
H2 30 + 30 Garantie
H2 Red Dot: Best of the Best
H2 Entdecken Sie den Erlutherm
H2 Level RS Cool Roof
H2 Cookie-Einstellungen
Some internal links have dynamic parameters. All internal URLs, which are not marked as nofollow, should not contain dynamic parameters.
Some anchor texts are used more than once.
7 links don't have an anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
There are 5 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.erlus.com/medienMedien
/pressearchivPressearchiv
/download-centerDownloadcenter
https://www.erlus.com/werkzeugeWerkzeuge
/profi-werkzeuge-dachWerkzeuge DACH
/profi-werkzeuge-schornsteinWerkzeuge SCHORNSTEIN
/ERLUS-als-ArbeitgeberJobs
/de_de/Karriere/Einstiegsmoegl...Einstiegsmöglichkeiten
/de_de/Karriere/Ausbildungsmoe...Ausbildungsmöglichkeiten
https://www.erlus.com/kontaktKontakt
/Kontakt-allgemeine-anfrageAllgemeine Anfrage
/vertriebdachVertrieb Dachkeramik
/vertrieb-schornstein-lueftungVertrieb Schornsteinsysteme
/kontakt-exportExport
/prospektbestellungProspektbestellung
/kontakt-pressePresse
/haendlersucheHändlersuche
/logistikzentren-dachLogistikzentren Dach
/logistikzentren-schornsteinLogistikzentren Schornstein
/garantie-registrierungGarantie Anfrage
/download-centerDownloads
A-TITLE Downloads
https://www.erlus.com/frFranzösisch
A-TITLE Französisch
https://www.erlus.com/enEnglisch
A-TITLE Englisch
https://www.erlus.com/Anchor A-TITLE toggle_mobile_navigation
https://www.erlus.com/de_deIMG-ALT ERLUS AG | © ERLUS AG 2019
A-TITLE toHomePage
https://www.erlus.com/erlus-agERLUS AG
https://www.erlus.com/vertriebVertrieb
/qualitaet-umwelt-energieQualität | Umwelt | Energie
https://www.erlus.com/historieHistorie
/innovationenInnovationen
/fuer-aktionaereFür Aktionäre / Veröffentlichungen
/ERLUS-als-ArbeitgeberERLUS als Arbeitgeber
/veranstaltungenVeranstaltungen
/dominik-brunner-stiftungDominik-Brunner-Stiftung
/geschaeftsbedingungenGeschäftsbedingungen
A-TITLE Geschäftsbedingungen
https://www.erlus.com/dachDach
A-TITLE Dachkeramik
/dachziegelmodelleDachziegelmodelle
/erlus-manufakturERLUS Manufaktur
/erlus-markenzubehoerERLUS Markenzubehör
https://www.erlus.com/hagelHagelschutz
https://www.erlus.com/kooperationRegensichernde Zusatzmaßnahmen
A-TITLE Regensichernde Zusatzmaßnahmen
/einwegpaletteEinwegpalette
https://www.erlus.com/garantieGarantie
/flachgeneigtedaecherFlachgeneigte Dächer
https://www.erlus.com/coolroofCool Roof
/de_de/Werkzeuge/Werkzeuge-DAC...New window Schneesicherungsrechner
/de_de/Werkzeuge/Werkzeuge-DAC...New window Windsicherungsrechner AT
/de_de/Werkzeuge/Werkzeuge-DAC...New window Windsicherungsrechner DE
/schornsteinsystemeSchornstein
/schornstein-produktuebersichtProduktübersicht
/ofenbauer-sucheOfenbauersuche
https://www.erlus.com/ErluthermErlutherm
https://www.erlus.com/designtuerDesigntür
/wohngesundheitWohngesundheit
A-TITLE Geprüft gesündere Produkte - Sentinel Haus Institut
/statikrechnerStatikrechner
/lv-generatorLV-Generator
/planungstool-schornsteinPlanungstool Schornsteinhöhe über Dach
/lueftungsnetzwerkLüftung
https://www.erlus.com/vvs-einbauEinbau
/vvs-fertigfussFertigfuß
/assetdownload?assetId=22828No Text
https://www.erlus.com/dachNo Text
https://www.erlus.com/hagelNo Text
/schornsteinsystemeNo Text
/lueftungsnetzwerkNo Text
/download-center?bereich[0]=da...No Text
/erlus-manufakturNo Text
https://www.erlus.com/Anchor IMG-ALT Nach unten
/de_de/Dachkeramik/GarantieNew window Weitere Informationen
https://www.red-dot.org/de/New window External Subdomain Zum Red Dot Design Award
https://www.erlus.com/ErluthermNew window Text duplicate Weitere Informationen
https://www.erlus.com/coolroofText duplicate Weitere Informationen
https://www.erlus.com/erlus-agUnternehmen
A-TITLE Unternehmen
/ERLUS-als-ArbeitgeberText duplicate ERLUS als Arbeitgeber
/download-centerText duplicate Downloadcenter
https://www.erlus.com/impressumImpressum
A-TITLE Impressum
https://www.erlus.com/datenschutzDatenschutz
A-TITLE Datenschutz
https://www.erlus.com/kontaktText duplicate Kontakt
https://www.facebook.com/Dach....New window External Subdomain A-TITLE ERLUS auf facebook
https://www.instagram.com/dach...New window External Subdomain A-TITLE ERLUS auf Instagram
https://www.linkedin.com/compa...New window External Subdomain A-TITLE header-menu.title.linkedin
https://www.youtube.com/channe...New window External Subdomain A-TITLE ERLUS auf Youtube
https://www.erlus.com/Anchor No Text
https://www.erlus.com/erlus-agText duplicate ERLUS AG
https://www.erlus.com/vertriebText duplicate Vertrieb
/qualitaet-umwelt-energieText duplicate Qualität | Umwelt | Energie
https://www.erlus.com/historieText duplicate Historie
/innovationenText duplicate Innovationen
/fuer-aktionaereText duplicate Für Aktionäre / Veröffentlichungen
/ERLUS-als-ArbeitgeberText duplicate ERLUS als Arbeitgeber
/veranstaltungenText duplicate Veranstaltungen
/dominik-brunner-stiftungText duplicate Dominik-Brunner-Stiftung
/geschaeftsbedingungenText duplicate Geschäftsbedingungen
https://www.erlus.com/dachText duplicate Dach
/dachziegelmodelleText duplicate Dachziegelmodelle
/erlus-manufakturText duplicate ERLUS Manufaktur
/erlus-markenzubehoerText duplicate ERLUS Markenzubehör
https://www.erlus.com/hagelText duplicate Hagelschutz
https://www.erlus.com/kooperationText duplicate Regensichernde Zusatzmaßnahmen
/einwegpaletteText duplicate Einwegpalette
https://www.erlus.com/garantieText duplicate Garantie
/flachgeneigtedaecherText duplicate Flachgeneigte Dächer
https://www.erlus.com/coolroofText duplicate Cool Roof
/schornsteinsystemeText duplicate Schornstein
/schornstein-produktuebersichtText duplicate Produktübersicht
/ofenbauer-sucheText duplicate Ofenbauersuche
https://www.erlus.com/ErluthermText duplicate Erlutherm
/lv-generatorText duplicate LV-Generator
https://www.erlus.com/designtuerText duplicate Designtür
/planungstool-schornsteinText duplicate Planungstool Schornsteinhöhe über Dach
/wohngesundheitText duplicate Wohngesundheit
/lueftungsnetzwerkText duplicate Lüftung
https://www.erlus.com/vvs-einbauText duplicate Einbau
/vvs-fertigfussText duplicate Fertigfuß
https://www.erlus.com/medienText duplicate Medien
/pressearchivText duplicate Pressearchiv
/download-centerText duplicate Downloadcenter
https://www.erlus.com/werkzeugeText duplicate Werkzeuge
/profi-werkzeuge-dachText duplicate Werkzeuge DACH
/profi-werkzeuge-schornsteinText duplicate Werkzeuge SCHORNSTEIN
/ERLUS-als-ArbeitgeberText duplicate Jobs
/ERLUS-als-Arbeitgeber/Einstie...Text duplicate Einstiegsmöglichkeiten
/ERLUS-als-Arbeitgeber/Ausbild...Text duplicate Ausbildungsmöglichkeiten
https://www.erlus.com/kontaktText duplicate Kontakt
/Kontakt-allgemeine-anfrageText duplicate Allgemeine Anfrage
/vertriebdachText duplicate Vertrieb Dachkeramik
/vertrieb-schornstein-lueftungText duplicate Vertrieb Schornsteinsysteme
/kontakt-exportText duplicate Export
/prospektbestellungText duplicate Prospektbestellung
/kontakt-presseText duplicate Presse
/haendlersucheText duplicate Händlersuche
/logistikzentren-dachText duplicate Logistikzentren Dach
/logistikzentren-schornsteinText duplicate Logistikzentren Schornstein
/garantie-registrierungText duplicate Garantie Anfrage
/ERLUS-als-ArbeitgeberText duplicate ERLUS als Arbeitgeber
/download-centerText duplicate Downloadcenter
https://www.erlus.com/impressumText duplicate Impressum
A-TITLE Impressum
https://www.erlus.com/datenschutzText duplicate Datenschutz
A-TITLE Datenschutz
https://www.erlus.com/Deutsch
A-TITLE Deutsch
https://www.erlus.com/enText duplicate Englisch
A-TITLE Englisch
https://www.erlus.com/frText duplicate Französisch
A-TITLE Französisch
/de_de/DatenschutzDatenschutzerklärung.
/de_de/ImpressumText duplicate Impressum

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.erlus.com/"
HTTP header
(Important)
The web server version is sent within the HTTP header.
The X-powered header is sent within the response header. (unnecessary)
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time of 0.41 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 5 JavaScript files. This may affect the load time negatively.
This page only loads 3 CSS files. That's ok.
The file size of the HTML document is fine (46 kB).

HTTP Response Header

NameValue
servernginx/1.18.0 (Ubuntu)
dateThu, 07 Aug 2025 05:03:07 GMT
content-typetext/html; charset=UTF-8
transfer-encodingchunked
connectionkeep-alive
x-powered-byPHP/7.4.11
cache-controlno-cache, private
content-languagede-de
content-encodinggzip
statuscode200
http_versionHTTP/1.1

External factors

This website has excellent links from other websites.
This page has backlinks from 530 referring domains.
This page has 83,634 backlinks.
This page has backlinks from 334 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: *
Disallow:

Similar sites

Search preview

www.erlus.com
ERLUS AG
Dachziegel, Schornsteine, Kamine, Lüftung. Ergoldsbacher Dachkeramik, Schornsteinsysteme, Lüftungsnetzwerk.

Most important keywords

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

KeywordResultRecheck
ERLUS79%Check
ERLUS AG65%Check
ERLUS Manufaktur60%Check
AktuelleS52%Check
DACH50%Check
SCHORNSTEIN50%Check
Lüftung50%Check
Lüftungsnetzwerk50%Check
Dachziegel46%Check
Schornsteinsysteme46%Check
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