Vah-online.de - SEO Checker

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Overview of the SEO Check
Meta information
77% 
Page quality
53% 
Page structure
45% 
Link structure
55% 
Server
97% 
External factors
18% 
SEO Score
Response time
0.46 s
File size
27.00 kB
Words
604
Media files
8
Number of links
91 internal / 3 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Home - Verbund für Angewandte Hygiene e.V.
The length of the page title is perfect. (413 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
The meta description is empty.
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: en
Language defined in HTML: en
Server location: United States of America
The following language is defined by HTML: en
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)
No favicon is linked in the HTML code.

Meta tags

NameValue
robotsindex,follow
descriptionEmpty
generatorContao Open Source CMS
viewportwidth=device-width, initial-scale=1.0
langen
charsetUTF-8

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Page quality

Content
(Critically important)
Some words from the page title are not used within the pages content
Only 1 paragraph/s was/were found on this page.
This page contains 604 words. That's ok.
27.3% of the text are stop words.
The page contains a listing, which indicates a good text layout.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 24.17 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: home
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
https://vah-online.de/files/gfx/logo.pngHomeHome
/files/images/header/h_start.jpgNo alt attribute provided
/files/images/start_listen.pngNo alt attribute provided
/files/images/start_fachwissen.jpgNo alt attribute provided
/files/images/start_vah.jpgNo alt attribute provided
/files/images/start_dmk.jpgNo alt attribute provided
/files/gfx/linkedin.pngLinkedIn
https://vah-online.de/files/gfx/twitter.pngTwitter

Page structure

H1 heading
(Critically important)
Welcome!
Too many H1 headings
The H1 heading consists of only one word. There should be more information given.
The H1 heading is too short (8 characters). It should be at least 20 Characters long.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Welcome!
H1 VAH List of Disinfectants.
H1 News.
H1 Other topics.
H2 Call to action: Keep ethanol as an active substance for PT1 biocides without classification as a reproductive toxicant in category 2
H2 Check out the latest VAH ring trial report on the quantitative suspension test and E. hirae
H2 Commission Regulation (EU) 2024/1398 extends the deadline for the European Commission’s review programme for the systematic examination of existing active substances used in biocidal products to 31...
H2 How reliable are test results from 17 laboratories on the basis of EN 1500 for a hand rub based on 80% (w/w)?
H2 Evaluation of a microscale quantitative suspension test.
H2 Helsinki. For 2022 a EU-wide enforcement project found about 60 active substances in biocidal products that are not allowed on the EU, EEA and Swiss markets.
H2 Testing sporicidal activity according to European Standards: EN 17846:2023 Chemical disinfectants and antiseptics
Baselink: https://vah-online.de/
Some internal link anchor texts are too long.
Some anchor texts are used more than once.
The number of internal links is ok.
All internal links are not using dynamic parameters.
There are 3 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://vah-online.de/en/IMG-ALT Home
https://vah-online.de/en/No Text
https://vah-online.de/de/DE
https://vah-online.de/en/EN
https://vah-online.de/en/Skip navigation
https://vah-online.de/en/vah-listVAH-List
A-TITLE VAH-List
/en/for-usersFor Users
A-TITLE For Users
/en/for-manufacturersFor Manufacturers
A-TITLE For Manufacturers
/en/for-laboratoriesFor Laboratories
A-TITLE For Laboratories
https://vah-online.de/en/faqFAQ
A-TITLE FAQ
/en/expertiseExpertise
A-TITLE Expertise
https://vah-online.de/en/newsNews
A-TITLE News
https://vah-online.de/en/vahVAH
A-TITLE VAH
/en/vah-membership-statutesMembership & Statutes
A-TITLE Membership & Statutes
/en/vah-associated-societiesAssociated Societies
A-TITLE Associated Societies
/en/vah-mitteilungsorganOfficial Publication
A-TITLE Official Publication
/en/vah-contactContact VAH
A-TITLE Contact VAH
/en/disinfectionDisinfectants Commission
A-TITLE Desinfektionsmittel-Kommission
/en/dmk-members-bylawsMembers & Bylaws
A-TITLE Members & Bylaws
/en/dmk-cooperating-societiesCooperating Societies
A-TITLE Cooperating Societies
/en/dmk-working-groupsWorking Groups
A-TITLE Working Groups
/en/dmk-contactContact DC
A-TITLE Contact DC
https://vah-online.de/en/contactContact
A-TITLE Contact
https://vah-online.de/en/imprintImprint
A-TITLE Imprint
https://vah-online.de/en/privacyData Privacy Statement
A-TITLE Data Privacy Statement
https://vah-online.de/en/searchSearch
A-TITLE Search
https://vah-online.de/en/vah-online.de [en]
A-TITLE Verbund für Angewandte Hygiene e.V.
https://www.vah-liste.de/en/New window External Subdomain Your direct access to the VAH List of Disinfectants
/files/download/english/2024_F...New window VAH-Facts
/en/news-detail/call-to-action...Call to action: Keep ethanol as an active substance for PT1 biocides without classification as a reproductive toxicant in category 2
A-TITLE Read the article: Call to action: Keep ethanol as an active substance for PT1 biocides without classification as a reproductive toxicant in category 2
/en/news-detail/call-to-action...Read more ... Call to action: Keep ethanol as an active substance for PT1 biocides without classification as a reproductive toxicant in category 2
A-TITLE Read the article: Call to action: Keep ethanol as an active substance for PT1 biocides without classification as a reproductive toxicant in category 2
/en/news-detail/check-out-the-...Check out the latest VAH ring trial report on the quantitative suspension test and E. hirae
A-TITLE Read the article: Check out the latest VAH ring trial report on the quantitative suspension test and E. hirae
/en/news-detail/check-out-the-...Read more ... Check out the latest VAH ring trial report on the quantitative suspension test and E. hirae
A-TITLE Read the article: Check out the latest VAH ring trial report on the quantitative suspension test and E. hirae
/en/news-detail/commission-reg...Commission Regulation (EU) 2024/1398 extends the deadline for the European Commission’s review programme for the systematic examination of existing active su...
A-TITLE Read the article: Commission Regulation (EU) 2024/1398 extends the deadline for the European Commission’s review programme for the systematic examination of ...
/en/news-detail/commission-reg...Read more ... Commission Regulation (EU) 2024/1398 extends the deadline for the European Commission’s review programme for the systematic examination of exis...
A-TITLE Read the article: Commission Regulation (EU) 2024/1398 extends the deadline for the European Commission’s review programme for the systematic examination of ...
/en/news-detail/how-reliable-a...How reliable are test results from 17 laboratories on the basis of EN 1500 for a hand rub based on 80% (w/w)?
A-TITLE Read the article: How reliable are test results from 17 laboratories on the basis of EN 1500 for a hand rub based on 80% (w/w)?
/en/news-detail/how-reliable-a...Read more ... How reliable are test results from 17 laboratories on the basis of EN 1500 for a hand rub based on 80% (w/w)?
A-TITLE Read the article: How reliable are test results from 17 laboratories on the basis of EN 1500 for a hand rub based on 80% (w/w)?
/en/news-detail/evaluation-of-...Evaluation of a microscale quantitative suspension test.
A-TITLE Read the article: Evaluation of a microscale quantitative suspension test.
/en/news-detail/evaluation-of-...Read more ... Evaluation of a microscale quantitative suspension test.
A-TITLE Read the article: Evaluation of a microscale quantitative suspension test.
/en/news-detail/helsinki-for-2...Helsinki. For 2022 a EU-wide enforcement project found about 60 active substances in biocidal products that are not allowed on the EU, EEA and Swiss markets.
A-TITLE Read the article: Helsinki. For 2022 a EU-wide enforcement project found about 60 active substances in biocidal products that are not allowed on the EU, EEA ...
/en/news-detail/helsinki-for-2...Read more ... Helsinki. For 2022 a EU-wide enforcement project found about 60 active substances in biocidal products that are not allowed on the EU, EEA and ...
A-TITLE Read the article: Helsinki. For 2022 a EU-wide enforcement project found about 60 active substances in biocidal products that are not allowed on the EU, EEA ...
/en/news-detail/testing-sporic...Testing sporicidal activity according to European Standards: EN 17846:2023 Chemical disinfectants and antiseptics
A-TITLE Read the article: Testing sporicidal activity according to European Standards: EN 17846:2023 Chemical disinfectants and antiseptics
/en/news-detail/testing-sporic...Read more ... Testing sporicidal activity according to European Standards: EN 17846:2023 Chemical disinfectants and antiseptics
A-TITLE Read the article: Testing sporicidal activity according to European Standards: EN 17846:2023 Chemical disinfectants and antiseptics
https://vah-online.de/en/newsAll news
/en/newsletterSubscribe to our newsletter
/en/expertiseExpertise in Disinfection.
https://vah-online.de/en/vahAbout VAH.
/en/disinfectionVAH Disinfectant Commission.
https://vah-online.de/en/Text duplicate Skip navigation
https://vah-online.de/en/vah-listText duplicate VAH-List
A-TITLE VAH-List
/en/for-usersText duplicate For Users
A-TITLE For Users
/en/for-manufacturersText duplicate For Manufacturers
A-TITLE For Manufacturers
/en/for-laboratoriesText duplicate For Laboratories
A-TITLE For Laboratories
https://vah-online.de/en/faqText duplicate FAQ
A-TITLE FAQ
/en/expertiseText duplicate Expertise
A-TITLE Expertise
https://vah-online.de/en/newsText duplicate News
A-TITLE News
https://vah-online.de/en/vahText duplicate VAH
A-TITLE VAH
/en/vah-membership-statutesText duplicate Membership & Statutes
A-TITLE Membership & Statutes
/en/vah-associated-societiesText duplicate Associated Societies
A-TITLE Associated Societies
/en/vah-mitteilungsorganText duplicate Official Publication
A-TITLE Official Publication
/en/vah-contactText duplicate Contact VAH
A-TITLE Contact VAH
/en/disinfectionText duplicate Disinfectants Commission
A-TITLE Desinfektionsmittel-Kommission
/en/dmk-members-bylawsText duplicate Members & Bylaws
A-TITLE Members & Bylaws
/en/dmk-cooperating-societiesText duplicate Cooperating Societies
A-TITLE Cooperating Societies
/en/dmk-working-groupsText duplicate Working Groups
A-TITLE Working Groups
/en/dmk-contactText duplicate Contact DC
A-TITLE Contact DC
https://vah-online.de/en/contactText duplicate Contact
A-TITLE Contact
https://vah-online.de/en/imprintText duplicate Imprint
A-TITLE Imprint
https://vah-online.de/en/privacyText duplicate Data Privacy Statement
A-TITLE Data Privacy Statement
https://vah-online.de/en/searchText duplicate Search
A-TITLE Search
https://www.linkedin.com/compa...External Subdomain IMG-ALT LinkedIn
https://mobile.twitter.com/vah...External Subdomain IMG-ALT Twitter
https://vah-online.de/en/Text duplicate Home
A-TITLE Home
https://vah-online.de/en/vah-listText duplicate VAH-List
A-TITLE VAH-List
/en/for-usersText duplicate For Users
A-TITLE For Users
/en/for-manufacturersText duplicate For Manufacturers
A-TITLE For Manufacturers
/en/for-laboratoriesText duplicate For Laboratories
A-TITLE For Laboratories
https://vah-online.de/en/faqText duplicate FAQ
A-TITLE FAQ
/en/expertiseText duplicate Expertise
A-TITLE Expertise
https://vah-online.de/en/newsText duplicate News
A-TITLE News
https://vah-online.de/en/vahText duplicate VAH
A-TITLE VAH
/en/vah-membership-statutesText duplicate Membership & Statutes
A-TITLE Membership & Statutes
/en/vah-associated-societiesText duplicate Associated Societies
A-TITLE Associated Societies
/en/vah-mitteilungsorganText duplicate Official Publication
A-TITLE Official Publication
/en/vah-contactText duplicate Contact VAH
A-TITLE Contact VAH
/en/disinfectionText duplicate Disinfectants Commission
A-TITLE Desinfektionsmittel-Kommission
/en/dmk-members-bylawsText duplicate Members & Bylaws
A-TITLE Members & Bylaws
/en/dmk-cooperating-societiesText duplicate Cooperating Societies
A-TITLE Cooperating Societies
/en/dmk-working-groupsText duplicate Working Groups
A-TITLE Working Groups
/en/dmk-contactText duplicate Contact DC
A-TITLE Contact DC
https://vah-online.de/en/contactText duplicate Contact
A-TITLE Contact
https://vah-online.de/en/imprintText duplicate Imprint
A-TITLE Imprint
https://vah-online.de/en/privacyText duplicate Data Privacy Statement
A-TITLE Data Privacy Statement
https://vah-online.de/en/searchText duplicate Search
A-TITLE Search

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://vah-online.de/en/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time of 0.46 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.
The file size of the HTML document is fine (27 kB).

HTTP Response Header

NameValue
servernginx
dateMon, 14 Oct 2024 19:15:41 GMT
content-typetext/html; charset=UTF-8
varyAccept-Encoding
cache-controlno-cache, no-store, private
x-content-type-optionsnosniff
referrer-policyno-referrer-when-downgrade, strict-origin-when-cross-origin
permissions-policyinterest-cohort=()
x-frame-optionsSAMEORIGIN
x-xss-protection1; mode=block
contao-cachemiss
x-cache-statusMISS
content-encodinggzip
statuscode200
http_versionHTTP/2

External factors

This page has only a few links from other websites.
This page only has backlinks from 6 referring domains.
This page only has 19 backlinks.
This page only has few backlinks from 6 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

user-agent:*
disallow:/contao/
disallow:/_contao/

sitemap:https://vah-online.de/sitemap.xml

Similar sites

Search preview

Most important keywords

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

KeywordResultRecheck
VAH55%Check
VAH List51%Check
Welcome50%Check
Disinfectants47%Check
Hygiene46%Check
List45%Check
chemical disinfectants44%Check
Commission43%Check
active43%Check
substances43%Check
Show more keywords and terms

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Cookie Policy

We use cookies to make our site work and also for analytics and advertising purposes. You can enable or disable optional cookies as desired. See the following links for more information.

Contact | Privacy

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