Schwefelwasserstoff.de - SEO Checker

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Overview of the SEO Check
Meta information
79% 
Page quality
47% 
Page structure
72% 
Link structure
100% 
Server
68% 
External factors
5% 
SEO Score
Response time
0.02 s
File size
21.00 kB
Words
323
Media files
2
Number of links
16 internal / 2 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Start - Schwefelwasserstoff.de
The length of the page title is perfect. (274 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Willkommen auf unserer Webseite, die sich dem faszinierenden Molekül Schwefelwasserstoff (H2S) widmet. Hier, auf aktuell 35 Seiten erfährst du alles Wissenswerte über dieses farblose, aber hochrelevante Gas.
The meta description is too long: 1313 pixels from max. 1000 pixels. Optimize description
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-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 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 XHTML 1.0 Transitional 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
descriptionWillkommen auf unserer Webseite, die sich dem faszinierenden Molekül Schwefelwasserstoff (H2S) widmet. Hier, auf aktuell 35 Seiten erfährst du alles Wissenswerte über dieses farblose, aber hochrelevante Gas.
keywordsSchwefelwasserstoff H2S Faule Eiergeruch beim Duschen Chemische Eigenschaften von H2S Industrieanwendungen von Schwefelwasserstoff Umweltauswirkungen von H2S Sicherheitsaspekte von Schwefelwasserstoff
generatorWEB.DE WebBaukasten 12.0.7
langde-de
Content-Typetext/html; charset=UTF-8

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Page quality

Content
(Critically important)
There are only 323 words on this page. Good pages should have about 800 words of useful content.
37.5% of the text are stop words.
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.
There are no duplicates on the site.
The average number of words per sentence of 10.64 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No viewpoint tag is provided.
No Apple touch icon is specified.
This page loads 7 JavaScript files. This may affect the load time negatively.
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)
2 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)
The HTTPS protocol for secure data transmission is not used.

Media list

URLAlt attributeTitle
...nts/Logo/Schwefelwasserstoff-studio.jpegNo alt attribute provided
/attachments/Image/HohereAufloesung.pngNo alt attribute provided

Page structure

H1 heading
(Critically important)
H2S
The H1 heading consists of only one word. There should be more information given.
The H1 heading is too short (3 characters). It should be at least 20 Characters long.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 H2S
H2 Schwefelwasserstoff (H2S)
H2 Schwefelwasserstoff.de
The number of internal links is ok.
Every linktext is unique.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 2 external links on this page.

Found links on this page

LinkAttributesAnchor text
/start/rolle-von-h2s-in-der-na...> Rolle von H2S in der Natur und im Alltag:
/start/rolle-von-h2s-in-der-na...> Schwefelwasserstoff im Trinkwasser
/start/rolle-von-h2s-in-der-na...> Mundgeruch
/start/rolle-von-h2s-in-der-na...> Lebensmittel mit Schwefel
/start/rolle-von-h2s-in-der-na...> angelaufenes Silber
/start/weitere-ressourcen-und-...> Weitere Ressourcen und Vertiefung:
/start/weitere-ressourcen-und-...> Links zu wissenschaftlichen Artikeln und Forschungseinrichtungen.
/start/korrosion/> Korrosion
/start/korrosion/anaeroben-bio...> anaeroben Biokorrosion
/start/ursachen-und-herkunft-v...> Ursachen und Herkunft von H2S
https://www.schwefelwasserstof...External Subdomain URL anchor text
https://www.schwefelwasserstoff.net
https://www.schwefelwasserstof...External Subdomain Einführung in Schwefelwasserstoff:
/start/rolle-von-h2s-in-der-na...Rolle von H2S in der Natur und im Alltag:
A-TITLE Rolle von H2S in der Natur und im Alltag:
/start/rolle-von-h2s-in-der-na...Schwefelwasserstoff im Trinkwasser
A-TITLE Schwefelwasserstoff im Trinkwasser
/start/rolle-von-h2s-in-der-na...Mundgeruch
/start/rolle-von-h2s-in-der-na...angelaufenes Silber
/start/weitere-ressourcen-und-...Weitere Ressourcen und Vertiefung:
/start/weitere-ressourcen-und-...Links zu wissenschaftlichen Artikeln und Forschungseinrichtungen.

Server configuration

HTTP redirects
(Critically important)
The checked page does not redirect to another URL.
HTTP header
(Important)
No X-Powered HTTP header is sent.
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
This page loads 13 CSS files. This may affect the page load time negatively.
This page loads 7 JavaScript files. This may affect the load time negatively.
The page response time is excellent with 0.02 seconds.
The file size of the HTML document is fine (21 kB).

HTTP Response Header

NameValue
content-typetext/html
transfer-encodingchunked
connectionkeep-alive
keep-alivetimeout=15
dateWed, 12 Mar 2025 19:50:49 GMT
serverApache
last-modifiedSun, 31 Dec 2023 14:11:04 GMT
etagW/"53f7-60dced5f44157"
content-encodinggzip
statuscode200
http_versionHTTP/1.1

External factors

This page has only a few links from other websites.
This page is referenced by wikipedia.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

Similar sites

        
                    

                    

                        
Search preview

            schwefelwasserstoff.de
Start - Schwefelwasserstoff.de

Willkommen auf unserer Webseite, die sich dem faszinierenden Molekül Schwefelwasserstoff (H2S) widmet. Hier, auf aktuell 35 Seiten erfährst du alles Wissenswerte über dieses farblose, aber hochrelevante Gas.
Most important keywords

            
Following keywords were found. You can check the keyword optimization of this page for each keyword.
KeywordResultRecheck
Schwefelwasserstoff84%Check
H2S70%Check
faszinierenden Molekül Schwefelwasserstoff60%Check
Seiten erfährst du48%Check
Start46%Check
Webseite46%Check
Molekül46%Check
Seiten46%Check
Willkommen46%Check
faszinierenden46%Check
  
      Show more keywords and terms  
            

                

                    
                    

                        
                    

                    

                        
                    

                

            

            
                    

                

            


                    

            

                

                    

                    

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