Isa.rwth-aachen.de - SEO Checker

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Overview of the SEO Check
Meta information
67% 
Page quality
66% 
Page structure
36% 
Link structure
72% 
Server
97% 
External factors
3% 
SEO Score
Response time
0.46 s
File size
30.60 kB
Words
693
Media files
14
Number of links
53 internal / 29 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
RWTH AACHEN UNIVERSITY Institute of Environmental Engineering - English
The page title should be shorter than 580 pixels. It is 708 pixels long. Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
RWTH Aachen University - Institute of Environmental Engineering - Homepage
The length of the meta description is perfect. (485 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.isa.rwth-aachen.de/cms/~rwqe/isa/?lidx=1
The specified canonical link points to a different page.
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)
The alternate link to the page itself is missing.
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)
There should not be dynamic parameters 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 markup is not in the first line of your HTML document. There must be no white spaces before the doctype markup.
The doctype HTML 5 is set correctly.
Favicon
(Nice to have)
The favicon is linked correctly.

Meta tags

NameValue
viewportwidth=device-width, initial-scale=1.0
googleEmpty
googlebotEmpty
descriptionRWTH Aachen University - Institute of Environmental Engineering - Homepage
keywordsAachen, research, science, RWTH, academics, study, TH, technical, university, institutions, excellence initiative
robotsindex,follow
authorInstitute of Environmental Engineering
geo.placenameTemplergraben 55, 52062 Aachen, Germany
geo.position50.7776;6.0783
geo.regionDE-NW
ICBM50.7776, 6.0783
msapplication-TileColor#00529f
msapplication-TileImage/mstile-144x144.png
theme-color#00529f
dateD:20240709000000+01'00'
domainwww.isa.rwth-aachen.de
breadcrumbISA
ipzone[0]
langen
X-UA-CompatibleIE=edge
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 4 text duplicates on this page:
  • Duplicate 1: By clicking the "accept" button, you agree to use the content provided...
  • Duplicate 2: Please note that you give your consent for a one-time use of the web p...
This page contains 693 words. That's ok.
31.9% of the text are stop words.
The page contains a listing, which indicates a good text layout.
10 paragraphs were found on this page.
No placeholders texts or images were found.
The average number of words per sentence of 18.72 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width, initial-scale=1.0" 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 14 tags for this page.
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)
The HTML has georegion information: Templergraben 55, 52062 Aachen, Germany
The HTML has geoposition information: 50.7776;6.0783
The HTML has geoname information: DE-NW
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
/global/show_picture.asp?id=aaaaaaaaabdhlbzLogo of Institute of Environmental EngineeringLogo of Institute of Environmental Engineering
...z&w2=728&h2=410&clip=center,728,410&q=79civil engineering buildingcivil engineering building
...a&w2=728&h2=410&clip=center,728,410&q=79No alt attribute provided
...t&w2=728&h2=410&clip=center,728,410&q=79new Traineesnew Trainees
...l&w2=728&h2=410&clip=center,728,410&q=79No alt attribute provided
...d&w2=728&h2=410&clip=center,728,410&q=79No alt attribute provided
...z&w2=728&h2=410&clip=center,728,410&q=79BauingenieurgebäudeBauingenieurgebäude
...d&w2=728&h2=410&clip=center,728,410&q=79No alt attribute provided
...b&w2=728&h2=410&clip=center,728,410&q=79No alt attribute provided
...o&w2=728&h2=410&clip=center,728,410&q=79No alt attribute provided
...a&w2=728&h2=410&clip=center,728,410&q=79No alt attribute provided
...c&w2=728&h2=410&clip=center,728,410&q=79GWA-volumesGWA-volumes
...bcpkez&w2=639&h2=447&clip=center,639,447No alt attribute provided
Video URLWidthHeight
...bal/show_document.asp?id=aaaaaaaaabdddcv

Page structure

H1 heading
(Critically important)
h1
The H1 heading consists of only one word. There should be more information given.
The H1 heading is too short (2 characters). It should be at least 20 Characters long.
Headings
(Important)
Some headings occur twice on the page.
There are 38 headings on the page. The amount of headings should be in a more proper relation to the amount of text.

Heading structure

Heading levelContent
H1 h1
H2 h2
H2 Institute of Environmental Engineering
H2 Faculties and Institutions
H2 Navigation
H2 Presentation of the Institute Morezu: Presentation of the Institute
H2 *** Team Wasserläufer beim Aachener Lousberglauf *** Morezu: *** Team Wasserläufer beim Aachener Lousberglauf ***
H2 Vocational training starts anew at ISA! Morezu: Vocational training starts anew at ISA!
H2 2023 water management field trip Morezu: 2023 water management field trip
H2 *** Fahrradexkursion des ISA 2023 *** Morezu: *** Fahrradexkursion des ISA 2023 ***
H2 Team Morezu: Team
H2 13th IWA International Conference on Water Reclamation and Reuse Morezu: 13th IWA International Conference on Water Reclamation and Reuse
H2 *** Stellenausschreibung *** Morezu: *** Stellenausschreibung ***
H2 *** Die Anmeldung ist ab sofort möglich *** Morezu: *** Die Anmeldung ist ab sofort möglich ***
H2 *** RedOxA – Abschlussbericht veröffentlicht *** Morezu: *** RedOxA – Abschlussbericht veröffentlicht ***
H2 Library Morezu: Library
H2 Quick Links
H2 Boost your career with water
H2 *** Die SchülerUni am ISA: Einblicke in die Welt der Siedlungswasserwirtschaft ***
H2 *** Einzigartige Einblicke in die Siedlungswasserwirtschaft: Erfolgreiche Fahrradexkursion in Aachen ***
H2 *** Team Wasserläufer beim Aachener Lousberglauf ***
H2 Contact
H2 Footer
H3 h3
H3 RWTH
H3 Faculties and Institutes
H3 Find Institute:
H3 Institutions
H3 Events
H3 News & Announcements
H3 RWTH Duplicate text
H3 Services
H3 Other Resources
H3 Institutions Duplicate text
H4 h4
H5 h5
H6 h6
H6 Search
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.
1 links don't have an anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
There are too many external links (29) on this page.

Found links on this page

LinkAttributesAnchor text
/cms/ISA/Footer/Service/~rwsy/...Further Information
/cms/~rwqe/ISA/?lidx=1Anchor Skip to Content
/cms/~rwqe/ISA/?lidx=1Anchor Skip to Quick Links
/cms/~rwqe/ISA/?lidx=1Anchor Skip to Main Navigation
/cms/~rwqe/ISA/?lidx=1Anchor Skip to Footer
/cms/~rwqe/ISA/?lidx=1Anchor Skip to Search
/cms/~rwqe/ISA/lidx/1/IMG-ALT Logo of Institute of Environmental Engineering
/cms/~rwqe/isa/Deutsch
https://www.rwth-aachen.de/go/...External Subdomain Faculties and Institutions
https://www.rwth-aachen.de/cms...External Subdomain Main page
A-TITLE Main page (Facultynavigator)
https://intranet.rwth-aachen.de/New window External Subdomain Intranet
A-TITLE Intranet (Facultynavigator)
https://www.fb1.rwth-aachen.de...External Subdomain Mathematics, Computer Science and Natural SciencesFaculty 1
A-TITLE Mathematics, Computer Science and Natural Sciences (Facultynavigator)
https://arch.rwth-aachen.de/cm...External Subdomain ArchitectureFaculty 2
A-TITLE Architecture (Facultynavigator)
https://www.fb3.rwth-aachen.de...External Subdomain Civil EngineeringFaculty 3
A-TITLE Civil Engineering (Facultynavigator)
https://www.maschinenbau.rwth-...External Subdomain Mechanical EngineeringFaculty 4
A-TITLE Mechanical Engineering (Facultynavigator)
https://www.fb5.rwth-aachen.de...External Subdomain Georesources and Materials EngineeringFaculty 5
A-TITLE Georesources and Materials Engineering (Facultynavigator)
https://www.elektrotechnik.rwt...External Subdomain Electrical Engineering and Information TechnologyFaculty 6
A-TITLE Electrical Engineering and Information Technology (Facultynavigator)
https://www.philosophische-fak...External Subdomain Arts and HumanitiesFaculty 7
A-TITLE Arts and Humanities (Facultynavigator)
https://www.wiwi.rwth-aachen.d...External Subdomain Business and EconomicsFaculty 8
A-TITLE Business and Economics (Facultynavigator)
https://www.medizin.rwth-aache...External Subdomain MedicineFaculty 10
A-TITLE Medicine (Facultynavigator)
https://www.ub.rwth-aachen.de/...External Subdomain University Library
A-TITLE University Library (Facultynavigator)
https://www.itc.rwth-aachen.de...External Subdomain IT Center
A-TITLE IT Center (Facultynavigator)
https://cls.rwth-aachen.de/cms...External Subdomain Center for Teaching and Learning Services
A-TITLE Center for Teaching and Learning Services (Facultynavigator)
https://hochschulsport.rwth-aa...External Subdomain Athletics and Recreation
A-TITLE Athletics and Recreation (Facultynavigator)
https://www.rwth-aachen.de/cms...External Subdomain Central University Administration
A-TITLE Central University Administration (Facultynavigator)
https://www.rwth-aachen.de/cms...External Subdomain All Institutions
A-TITLE All Institutions (Facultynavigator)
/cms/ISA/~rwqf/Studium/lidx/1/Academics
A-TITLE Academics (Main Navigation)
/cms/ISA/~rwqg/Forschung/lidx/1/Research
A-TITLE Research (Main Navigation)
/cms/ISA/~rwqh/Das-Institut/li...The Institute
A-TITLE The Institute (Main Navigation)
/cms/ISA/Das-Institut/~scqb/Vo...Presentation of the Institute
/cms/ISA/Das-Institut/~scqb/Vo...Morezu: Presentation of the Institute
/cms/ISA/Das-Institut/Aktuelle...*** Team Wasserläufer beim Aachener Lousberglauf ***
/cms/ISA/Das-Institut/Aktuelle...Morezu: *** Team Wasserläufer beim Aachener Lousberglauf ***
/cms/ISA/Das-Institut/Aktuelle...Vocational training starts anew at ISA!
/cms/ISA/Das-Institut/Aktuelle...Morezu: Vocational training starts anew at ISA!
/cms/ISA/Das-Institut/Aktuelle...2023 water management field trip
/cms/ISA/Das-Institut/Aktuelle...Morezu: 2023 water management field trip
/cms/ISA/Das-Institut/Aktuelle...*** Fahrradexkursion des ISA 2023 ***
/cms/ISA/Das-Institut/Aktuelle...Morezu: *** Fahrradexkursion des ISA 2023 ***
/cms/ISA/Das-Institut/~rwrf/Te...Team
/cms/ISA/Das-Institut/~rwrf/Te...Morezu: Team
/cms/ISA/Das-Institut/Aktuelle...13th IWA International Conference on Water Reclamation and Reuse
/cms/ISA/Das-Institut/Aktuelle...Morezu: 13th IWA International Conference on Water Reclamation and Reuse
/cms/ISA/Das-Institut/Aktuelle...*** Stellenausschreibung ***
/cms/ISA/Das-Institut/Aktuelle...Morezu: *** Stellenausschreibung ***
/cms/ISA/Das-Institut/Aktuelle...*** Die Anmeldung ist ab sofort möglich ***
/cms/ISA/Das-Institut/Aktuelle...Morezu: *** Die Anmeldung ist ab sofort möglich ***
/cms/ISA/Das-Institut/Aktuelle...*** RedOxA – Abschlussbericht veröffentlicht ***
/cms/ISA/Das-Institut/Aktuelle...Morezu: *** RedOxA – Abschlussbericht veröffentlicht ***
/cms/ISA/Das-Institut/~schm/Bi...Library
/cms/ISA/Das-Institut/~schm/Bi...Morezu: Library
/cms/ISA/Das-Institut/~rwrf/Te...Text duplicate Team
/cms/ISA/Forschung/~rwre/abges...Projects
/cms/ISA/Forschung/~rwra/Publi...Publications
/cms/ISA/Das-Institut/~wndl/AC...ACWA
/cms/ISA/Studium/~sjmb/Studien...Term Papers and Final Theses
/cms/ISA/Das-Institut/Aktuelle...*** Neue Wissenschaftliche Mitarbeitende gesucht ***
/cms/ISA/Das-Institut/~rwrl/Ak...Events
A-TITLE Further Events
/cms/ISA/Das-Institut/~rwrk/Ak...News & Announcements
A-TITLE Further Announcements
/cms/ISA/Das-Institut/Aktuelle...*** Die SchülerUni am ISA: Einblicke in die Welt der Siedlungswasserwirtschaft ***
A-TITLE News & Announcements > *** Die SchülerUni am ISA: Einblicke in die Welt der Siedlungswasserwirtschaft ***
/cms/ISA/Das-Institut/Aktuelle...*** Einzigartige Einblicke in die Siedlungswasserwirtschaft: Erfolgreiche Fahrradexkursion in Aachen ***
A-TITLE News & Announcements > *** Einzigartige Einblicke in die Siedlungswasserwirtschaft: Erfolgreiche Fahrradexkursion in Aachen ***
/cms/ISA/Das-Institut/Aktuelle...Text duplicate *** Team Wasserläufer beim Aachener Lousberglauf ***
A-TITLE News & Announcements > *** Team Wasserläufer beim Aachener Lousberglauf ***
/cms/ISA/Das-Institut/~rwrk/Ak...Further Announcements
/cms/ISA/Footer/Service/~rwsv/...Contact
/cms/ISA/Footer/Service/~rwsv/...No Text
https://maps.rwth-aachen.de/na...New window External Subdomain RWTH Navigator
https://www.rwth-aachen.de/cms...New window External Subdomain RWTH Main Page
A-TITLE RWTH Main Page (Footer)
https://www.fb3.rwth-aachen.de...New window External Subdomain Faculty of Civil Engineering
A-TITLE Faculty of Civil Engineering (Footer)
/cms/ISA/Footer/Service/~rwsv/...Contact and Maps
A-TITLE Contact and Maps (Footer)
/cms/ISA/Footer/Service/~rwsw/...Site Credits
A-TITLE Site Credits (Footer)
/cms/ISA/Footer/Service/~rwsx/...Site Map
A-TITLE Site Map (Footer)
/cms/ISA/Footer/Service/~rwsy/...Privacy Policy
A-TITLE Privacy Policy (Footer)
/cms/ISA/Footer/Service/~masuv...Accessibility Statement
A-TITLE Accessibility Statement (Footer)
/go/id/rwqj/lidx/1/Feedback
A-TITLE Feedback (Footer)
https://www.kanalkolloquium.de/New window External Subdomain Kölner Kanal und Kläranlagenkolloquium
A-TITLE Kölner Kanal und Kläranlagenkolloquium (Footer)
https://www.aka-ac.de/New window External Subdomain Abfall- und Ressourcenwirtschaft
A-TITLE Abfall- und Ressourcenwirtschaft (Footer)
https://www.essenertagung.de/New window External Subdomain ESSENER TAGUNG
A-TITLE ESSENER TAGUNG (Footer)
https://online.rwth-aachen.de/...New window External Subdomain Anchor RWTHonline
A-TITLE RWTHonline (Footer)
https://www.ub.rwth-aachen.de/...New window External Subdomain Text duplicate University Library
A-TITLE University Library (Footer)
https://moodle.rwth-aachen.de/...New window External Subdomain RWTHmoodle
A-TITLE RWTHmoodle (Footer)
https://policies.google.com/pr...New window External Subdomain YouTube
https://vimeo.com/privacyNew window External Vimeo

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.isa.rwth-aachen.de/cms/~rwqe/ISA/?lidx=1"
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 (31 kB).

HTTP Response Header

NameValue
cache-controlprivate
content-typetext/html; Charset=utf-8
content-encodinggzip
varyAccept-Encoding
set-cookie132 Characters
x-frame-optionsDENY
content-security-policyframe-ancestors 'self'
x-xss-protection1; mode=block
strict-transport-securitymax-age=15768000
permissions-policycamera=(), microphone=()
referrer-policyorigin-when-cross-origin
feature-policymicrophone 'none'; camera 'none'
dateSat, 21 Sep 2024 20:39:47 GMT
content-length31358
statuscode200
http_versionHTTP/2

External factors

This page has only a few links from other websites.
This page only has backlinks from 1 referring domains.
This page only has 3 backlinks.
This page only has few backlinks from 1 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

#custom
User-agent: *
Disallow:

Similar sites

Search preview

www.isa.rwth-aachen.de › cms › ~rwqe › ISA
RWTH AACHEN UNIVERSITY Institute of Environmental Engineering - Eng...
RWTH Aachen University - Institute of Environmental Engineering - Homepage

Most important keywords

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

KeywordResultRecheck
RWTH72%Check
Aachen72%Check
RWTH Aachen72%Check
Institute70%Check
RWTH Aachen University70%Check
RWTH AACHEN UNIVERSITY Institute69%Check
Environmental Engineering65%Check
Engineering64%Check
ISA59%Check
University58%Check
Show more keywords and terms

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