Reinraum.de - SEO Checker

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Overview of the SEO Check
Meta information
80% 
Page quality
40% 
Page structure
70% 
Link structure
25% 
Server
85% 
External factors
100% 
SEO Score
Response time
0.72 s
File size
30.40 kB
Words
526
Media files
22
Number of links
63 internal / 12 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
cleanroom online - The cleanroom Portal .: Home :.
The length of the page title is perfect. (456 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
cleanroom online - The cleanroom portal is an information medium for all areas of cleanroom technology. With extensive news, events, training, forum and newsletter. Home
The meta description is too long: 1059 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
Server location: United States of America
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
descriptioncleanroom online - The cleanroom portal is an information medium for all areas of cleanroom technology. With extensive news, events, training, forum and newsletter. Home
keywordsreinraum, Reinraum, cleanrooms, cleanroom, Sauberraum, Particle, Measurement, qualification, validation, cleaning, ultrapure, ultrapure water, surfaces, stainless steel, news, forum, newsletter, events, training, clubs, associations, research, development, Home
authorHelmut Weber, bitbetrieb GmbH
robotsindex,follow
revisit-after2 weeks
viewportwidth=device-width, initial-scale=1
langde
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
Words from the H1 heading are not used in the page content.
The average number of words per sentence of 34.33 words is high.
This page contains 526 words. That's ok.
24.7% 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.
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" is provided.
This page only loads 3 JavaScript files. That's good!
Bold and strong tags
(Somewhat important)
The amount of tags is very high (13). We recommend using a maximum of 11 tags for this page.
Some tags are too long. With 298 characters this one is longer than 70 characters:
"für das britische unternehmen edwards hat die lpw reinigungssysteme gmbh ein maßgeschneidertes cnp-sys..."
The following tag is repeated too often: science
Image SEO
(Somewhat important)
3 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
..._scale/11935.10265x142_ad_de_255x143.jpgEcolabEcolab
...s/_scale/banner_pfennig_2023_255x143.pngPfennig Reinigungstechnik GmbHPfennig Reinigungstechnik GmbH
...ads/images/pms_banner_255x142_032024.jpgPMSPMS
..._2024_pilot3_anzeige_255x142_255x143.pngSystec & Solutions GmbHSystec & Solutions GmbH
...s/reinraum_2020/images/reinraum_logo.pngcleanroom online
..._scale/2renderingedwards_169_626x352.jpgDie PowerJet 1100 T 5 Triple CNp steht bei Edwards in Taiwan auf fast 170 Quadratmetern und wird für die Reinigung von Hochleistungsvakuumpumpen vor der Aufbereitung eingesetzt. (Foto: LPW)
...images/_scale/abbildung1_169_626x352.jpgAbb. 1 – Europäische und nationale Klimaziele (Quelle: eigene Darstellung)
...d_blisterpackagingcmyk_169_1_626x352.jpgNo alt attribute provided
...s/_scale/newsimage405279_169_626x352.jpgAuf der Hannover Messe fiel am 31. März 2025 der Startschuss für den neuen »Chiplet Application Hub« der Forschungsfabrik Mikroelektronik Deutschland (FMD). (Markus Jürgens © Fraunhofer-Gesellschaft)
...ale/becker_rrbanner244x142px_255x143.jpgBeckerBecker
...hydroflex_purmopblack_300dpi_255x143.pngHydroflexHydroflex
..._scale/2021ccbanner365x205px_255x143.jpgClearCleanClearClean
...herreinraum_q2_2024255x142px_255x143.jpgVaisalaVaisala
..._scale/20250331165857652_169_626x352.jpgNo alt attribute provided
..._scale/imecbwautomotive_169_626x352.jpegNo alt attribute provided
...enicolehoffmeisterkraut_169_626x352.jpegLuc Van de hofe and Nicole Hoffmeister-KrautLuc Van de hofe and Nicole Hoffmeister-Kraut
...uesseldorf_andreas_wiese_169_626x352.jpg(Copyright: Andreas Wiese)(Copyright: Andreas Wiese)
...ldorf_constanze_tillmann_169_626x352.jpg(Copyright: Constanze Tillmann, Messe Düsseldorf)(Copyright: Constanze Tillmann, Messe Düsseldorf)
/uploads/images/_scale/logoneu_255x143.jpgHJMHJM
...00112_ctec_365x205_190120lay_255x143.pngC-TecC-Tec
...scale/kuw_banner_255x142px_b_255x143.jpgKretz + WahlKretz + Wahl
...r_reinraum_255x142px_mittext_255x143.jpgMT-Messtechnik MT-Messtechnik

Page structure

H1 heading
(Critically important)
Höchstrein und automationsflexibel
Too many H1 headings
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Höchstrein und automationsflexibel
H1 Ansätze für nachhaltigere Reinräume
H1 SÜDPACK MEDICA investiert massiv in Erolzheim
H1 Bedeutender Schub für die Anwendungsforschung: FMD gibt Startschuss für »Chiplet Application Hub«
H1 Jenoptik mit guter Entwicklung im Geschäftsjahr 2024
H1 Baden-Württemberg attracts imec to lead development of chiplet-based technology for automotive applications
H1 interpack 2026 is fully booked – the Hot Topics have been defined
H2 Robuster Umsatz- und Ergebnisanstieg / Bilanz- und Finanzkennzahlen weiter verbessert / Dividendenvorschlag 0,38 Euro je Aktie (+8,6 Prozent) / Prognose für 2025 reflektiert hohe Marktunsicherheiten
H2 New partnership enables an innovative network together with academia and industry partners to strengthen digital sovereignty in Europe
H3 Better informed: With YEARBOOK, NEWSLETTER, NEWSFLASH and EXPERT DIRECTORY
H4 Mikrobiologie im GMP-Umfeld – Mikrobiologische Abweichungen im Monitoring richtig bewerten
H4 28. Swiss Cleanroom Community Event
H4 GMP PharmaCongress & GMP PharmaTechnica
H4 Trends in Barrier Systems & Robotics - Part of PharmaCongress 2025
Some internal link anchor texts are too long.
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.
The number of internal links is ok.
There are 12 external links on this page.

Found links on this page

LinkAttributesAnchor text
/newsletterarchiv.htmlSubdomain More ...
https://www.ecolab.com/changem...New window Nofollow External Subdomain IMG-ALT Ecolab
A-TITLE Ecolab
http://www.pfennig-reinigungst...New window Nofollow External Subdomain IMG-ALT Pfennig Reinigungstechnik GmbH
A-TITLE Pfennig Reinigungstechnik GmbH
http://www.pmeasuring.com/New window Nofollow External Subdomain IMG-ALT PMS
A-TITLE PMS
https://www.systec-solutions.c...New window Nofollow External Subdomain IMG-ALT Systec & Solutions GmbH
A-TITLE Systec & Solutions GmbH
/index.htmlIMG-ALT cleanroom online
/?language=deSubdomain Deutsch
/index.htmlHome
https://www.reinraum.de/news.htmlNEWS
/expertenpool.htmlExpertPool
/events.htmlEvents
https://www.reinraum.de/shop.htmlCLEANROOM-SHOP
/normen.htmlSTANDARDS
/cleansman.htmlcleansman
/personalanzeigen.htmlJob offers
/newsletter_archiv.htmlNewsletter Archiv
/news.html?id=1025502.04.2025 ‌ Cleaning | procedures, devices, agents, media (Wipers, Swaps,...) Höchstrein und automationsflexibel Für das britische Unternehmen Edwards hat d...
IMG-ALT Die PowerJet 1100 T 5 Triple CNp steht bei Edwards in Taiwan auf fast 170 Quadratmetern und wird für die Reinigung von Hochleistungsvakuumpumpen vor der Aufb...
/news.html?id=1025601.04.2025 ‌ Science Ansätze für nachhaltigere Reinräume
IMG-ALT Abb. 1 – Europäische und nationale Klimaziele (Quelle: eigene Darstellung)
/news.html?id=1025801.04.2025 ‌ Company SÜDPACK MEDICA investiert massiv in Erolzheim
/news.html?id=1025231.03.2025 ‌ Science Bedeutender Schub für die Anwendungsforschung: FMD gibt Startschuss für »Chiplet Application Hub«
IMG-ALT Auf der Hannover Messe fiel am 31. März 2025 der Startschuss für den neuen »Chiplet Application Hub« der Forschungsfabrik Mikroelektronik Deutschland (FMD). ...
/events.html?id=8348Mikrobiologie im GMP-Umfeld – Mikrobiologische Abweichungen im Monitoring richtig bewerten
/events.html?id=8348Text duplicate More ...
/events.html?id=834928. Swiss Cleanroom Community Event
/events.html?id=8349Text duplicate More ...
/events.html?id=8373GMP PharmaCongress & GMP PharmaTechnica
/events.html?id=8373Text duplicate More ...
/events.html?id=8377Trends in Barrier Systems & Robotics - Part of PharmaCongress 2025
/events.html?id=8377Text duplicate More ...
/events.htmlall events
http://www.becker-reinraumtech...New window Nofollow External Subdomain IMG-ALT Becker
A-TITLE Becker
http://purmop-black.com/New window Nofollow External IMG-ALT Hydroflex
A-TITLE Hydroflex
http://www.cleanboss.com/New window Nofollow External Subdomain IMG-ALT ClearClean
A-TITLE ClearClean
https://www.vaisala.com/de/pro...New window Nofollow External Subdomain IMG-ALT Vaisala
A-TITLE Vaisala
/news.html?id=1025331.03.2025 ‌ Company Robuster Umsatz- und Ergebnisanstieg / Bilanz- und Finanzkennzahlen weiter verbessert / Dividendenvorschlag 0,38 Euro je Aktie (+8,6 Pro...
/news.html?id=1025431.03.2025 ‌ Electronics (wafers, semiconductors, microchips,...) New partnership enables an innovative network together with academia and industry partners ...
IMG-ALT Luc Van de hofe and Nicole Hoffmeister-Kraut
/news.html?id=1024828.03.2025 ‌ Trade fair interpack 2026 is fully booked – the Hot Topics have been defined With a clear year’s run-up, the course is set for interpack: the Ho...
IMG-ALT (Copyright: Andreas Wiese)
/newsletterarchiv.htmlA look at the NEWSLETTER
https://www.hjm-reinraum.de/New window Nofollow External Subdomain IMG-ALT HJM
A-TITLE HJM
http://c-tec.de/New window Nofollow External IMG-ALT C-Tec
A-TITLE C-Tec
https://www.kretz-wahl.de/rein...New window Nofollow External Subdomain IMG-ALT Kretz + Wahl
A-TITLE Kretz + Wahl
https://www.mt-messtechnik.com/New window Nofollow External Subdomain IMG-ALT MT-Messtechnik
A-TITLE MT-Messtechnik
/news.html?rubric_id=3&start=0Companies & People
/news.html?rubric_id=6&start=0Buildings & Rooms
/news.html?rubric_id=7&start=0Building technology
/news.html?rubric_id=8&start=0Furnishing & equipment
/news.html?rubric_id=9&start=0Room, work & office material
/news.html?rubric_id=10&start=0Monitoring & Measurement
/news.html?rubric_id=11&start=0Clothing & Consumables
/news.html?rubric_id=12&start=0Hygiene & Cleaning
/news.html?rubric_id=13&start=0Service
/news.html?rubric_id=14&start=0Commissioning
/news.html?rubric_id=15&start=0Production & Procedure
/news.html?rubric_id=16&start=0Laboratory, Analytics & Microbiology
/news.html?rubric_id=17&start=0Knowledge & Events
/news.html?rubric_id=18&start=0R+D & Community of Interest
/news.html?rubric_id=19&start=0Practical examples & theory
/news.html?rubric_id=20&start=0Current terms
/events.html?category_events=5...Fair
/events.html?category_events=3...In-house exhibition
/events.html?category_events=3...Seminar
/events.html?category_events=3...Webinar
/events.html?category_events=3...Conference
/events.html?category_events=3...Workshop
/events.html?category_events=3...Presentation
/events.html?category_events=3...Symposium
/events.html?category_events=3...Congress
/events.html?category_events=3...Text duplicate Conference
/events.html?category_events=3...Training & Education
/mediadaten.htmlMediaData
/newsletterarchiv.htmlNewsletter-Archiv
/kontakt.htmlContact
/datenschutz.htmlDatenschutz
https://www.reinraum.de/agb.htmlAGB
/impressum.htmlImpressum
https://www.reinraum.de/?loginClient access

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.reinraum.de/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time of 0.72 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 only loads 2 CSS files. That's ok.
This page only loads 3 JavaScript files. That's good!
The file size of the HTML document is fine (30 kB).

HTTP Response Header

NameValue
dateWed, 02 Apr 2025 09:20:54 GMT
serverApache
set-cookie84 Characters
varyAccept-Encoding
content-encodinggzip
content-length7585
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 63 referring domains.
This page has 2,207 backlinks.
This page has backlinks from 52 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: *
Disallow: /admin/
Disallow: /phplib/
Disallow: /templates/

Similar sites

Search preview

www.reinraum.de
cleanroom online - The cleanroom Portal .: Home :.
cleanroom online - The cleanroom portal is an information medium for all areas of cleanroom technology. With extensive news, events, training, forum and newsletter. Home

Most important keywords

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

KeywordResultRecheck
Cleanroom63%Check
cleanroom technology57%Check
NEWS52%Check
Swiss Cleanroom51%Check
NEWSLETTER50%Check
technology50%Check
Event50%Check
Höchstrein50%Check
automationsflexibel50%Check
News Events49%Check
Show more keywords and terms

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