Raumluft.linux47.webhome.at - SEO Checker

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Overview of the SEO Check
Meta information
79% 
Page quality
38% 
Page structure
79% 
Link structure
88% 
Server
38% 
External factors
100% 
SEO Score
Response time
0.15 s
File size
15.90 kB
Words
333
Media files
10
Number of links
22 internal / 11 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
raumluft.org » Mensch - Umwelt - Gesundheit
The length of the page title is perfect. (405 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
The meta description is missing.
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)
This page is hosted on a subdomain. Use a top level domain for better SEO results.
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.
Favicon
(Nice to have)
The favicon is linked correctly.

Meta tags

NameValue
generatorTYPO3 4.5 CMS
authorIBO Innenraumanalytik OG
robotsall, index, follow
langde-de
Content-Typetext/html; charset=UTF-8

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Page quality

Content
(Critically important)
Some words from the page title are not used within the pages content
There are only 333 words on this page. Good pages should have about 800 words of useful content.
38.7% of the text are stop words.
The page contains a listing, which indicates a good text layout.
7 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 15.79 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 5 JavaScript files. This may affect the load time negatively.
Bold and strong tags
(Somewhat important)
Some tags are too long. With 228 characters this one is longer than 70 characters:
"die homepage "raumluft.org", die vom österreichischen institut für baubiologie und bauökologie gemeins..."
Image SEO
(Somewhat important)
8 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
.../template/raumluft.org/images/header.pngraumluft.org » Mensch - Umwelt - Gesundheit » neutral & unabhängig
/uploads/pics/vir-sim21_thumb_03.jpgNo alt attribute provided
...cs/poslueftung_schulen_SARS_thumb_02.pngNo alt attribute provided
/uploads/pics/schimmelleitfaden_thumb.jpgNo alt attribute provided
/uploads/pics/wohnraum.jpgNo alt attribute provided
/uploads/pics/stones_thumb_kl_01.pngNo alt attribute provided
/uploads/pics/co2grafik_thumb.pngNo alt attribute provided
/uploads/pics/wegweiser2018_thumb.jpgNo alt attribute provided
/uploads/pics/stones_thumb_med.pngNo alt attribute provided
/fileadmin/raumluft.org/BMK_Logo.pngbmk.gv.at

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H2 VIR-SIM
H2 SARS-CoV-2 und Lüftung in Schulen
H2 Schimmelleitfaden
H2 Lebensmittel Raumluft
H2 CO2-SIM Simulation für Innenräume
H2 Wegweiser für eine gesunde Raumluft
H4 Suche »
Baselink: http://raumluft.linux47.webhome.at/
Some anchor texts are used more than once.
4 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 11 external links on this page.

Found links on this page

LinkAttributesAnchor text
/innenraum-und-sars-cov-2/Innenraum und SARS-CoV-2
A-TITLE Innenraum und SARS-CoV-2
/gesunde-raumluft/Gesunde Raumluft
A-TITLE Gesunde Raumluft
/schadstoffe-andere-faktoren/Schadstoffe & andere Faktoren
A-TITLE Schadstoffe & andere Faktoren
/lueften-klimatisieren/Lüften & Klimatisieren
A-TITLE Lüften & Klimatisieren
/ursachen-rat-hilfe/Ursachen, Rat & Hilfe
A-TITLE Ursachen, Rat & Hilfe
/texte-links/Texte & Links
A-TITLE Texte & Links
/expertenbereich/Expertenbereich
A-TITLE Expertenbereich
/kontakt/Kontakt
A-TITLE Kontakt
https://www.corona-rechner.at/New window External Subdomain No Text
http://www.innenraumanalytik.a...New window External Subdomain Beschreibung VIR-SIM 2.1
A-TITLE BMK.pdf/fileadmin/user_upload/Beschreibung_VIR-SIM.pdf
https://www.bmk.gv.at/dam/jcr:...New window External Subdomain No Text
https://www.bmk.gv.at/dam/jcr:...New window External Subdomain Positionspapier zu Lüftung in Schulen - SARS-CoV-2 des Arbeitskreises Innenraumluft im BMK
A-TITLE SARS
http://www.innenraumanalytik.a...New window External Subdomain No Text
http://www.innenraumanalytik.a...New window External Subdomain Schimmelleitfaden des BMK, AUVA und BVS
A-TITLE Leitet Herunterladen der Datei ein
/kontakt/No Text
/expertenbereich/Text duplicate Expertenbereich
A-TITLE Öffnet internen Link im aktuellen Fenster
/expertenbereich/No Text
/expertenbereich/Text duplicate Expertenbereich
A-TITLE Öffnet internen Link im aktuellen Fenster
/rlt-anlagen/co2-rechner/No Text
/rlt-anlagen/co2-rechner/CO2-Rechner für Innenräume
A-TITLE Seite in selben Fenster öffnen
http://www.innenraumanalytik.a...New window External Subdomain No Text
http://www.innenraumanalytik.a...New window External Subdomain "Wegweiser für eine gesunde Raumluft", BMK & IBO
A-TITLE Leitet Herunterladen der Datei ein
/expertenbereich/No Text
/expertenbereich/Zum Expertenbereich
A-TITLE Öffnet internen Link im aktuellen Fenster
/kontakt/Text duplicate Kontakt
/presse/Presse
/haftung/Haftung
/sitemap/Sitemap
/impressum/Impressum
https://www.bmk.gv.at/New window External Subdomain IMG-ALT bmk.gv.at
/No Text
http://www.ibo.at/New window External Subdomain A-TITLE Österreichisches Institut für Baubiologie und Bauökologie
http://www.aegu.net/New window External Subdomain A-TITLE Ärztinnen und Ärzte für eine gesunde Umwelt

Server configuration

HTTP redirects
(Critically important)
The checked page does not redirect to another URL.
HTTP header
(Important)
The used PHP version is outdated and may be a security risk.
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)
This page loads 4 CSS files. This may affect the page load time negatively.
This page loads 5 JavaScript files. This may affect the load time negatively.
The page response time is excellent with 0.15 seconds.
The file size of the HTML document is fine (16 kB).

HTTP Response Header

NameValue
dateFri, 04 Apr 2025 15:14:10 GMT
serverApache
x-powered-byPHP/5.5.9-1ubuntu4.29
set-cookie53 Characters
varyAccept-Encoding
content-encodinggzip
content-length4272
connectionclose
content-typetext/html; charset=utf-8
statuscode200
http_versionHTTP/1.1

External factors

This website has excellent links from other websites.
This page has backlinks from 72 referring domains.
This page has 2,283 backlinks.
This page has backlinks from 64 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

Most important keywords

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

KeywordResultRecheck
Raumluft74%Check
gesunde Raumluft60%Check
org54%Check
Umwelt und Gesundheit54%Check
Umwelt52%Check
Gesundheit47%Check
Gesunde43%Check
VIR-SIM40%Check
Lüftung40%Check
Schulen40%Check
Show more keywords and terms

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