Plantbiodiv.uni-jena.de - SEO Checker

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Overview of the SEO Check
Meta information
98% 
Page quality
61% 
Page structure
100% 
Link structure
77% 
Server
100% 
External factors
33% 
SEO Score
Response time
0.07 s
File size
31.40 kB
Words
372
Media files
1
Number of links
22 internal / 38 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Professur Biodiversität der Pflanzen
The length of the page title is perfect. (321 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Institut für Ökologie und Evolution mit Herbarium Haussknecht und Botanischem Garten
The length of the meta description is perfect. (541 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.plantbiodiv.uni-jena.de/
There is a valid canonical link 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)
The specified alternate links have no errors.
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.
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
viewportwidth=device-width, initial-scale=1
theme-colorrgba(0, 35, 80, 1)
descriptionInstitut für Ökologie und Evolution mit Herbarium Haussknecht und Botanischem Garten
robotsEmpty
date2024-08-28 16:05:51
langde
og:localede-DE
og:locale:alternateen-GB
og:site_nameBiodiversität der Pflanzen
og:titleBiodiversität der Pflanzen
og:typewebsite
og:urlhttps://www.plantbiodiv.uni-jena.de/
og:descriptionInstitut für Ökologie und Evolution mit Herbarium Haussknecht und Botanischem Garten
og:updated_time2024-08-28 16:05:51
og:imagehttps://www.bio.uni-jena.de/biophamedia/93148/mordaualm.jpg?height=677&width=1200
og:image:altArtenreiche Wiese auf der Mordaualm, Ramsau
og:image:typeimage/jpeg
content-typetext/html; charset=UTF-8
X-UA-CompatibleIE=Edge

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Page quality

Content
(Critically important)
Only 1 paragraph/s was/were found on this page.
There are only 372 words on this page. Good pages should have about 800 words of useful content.
The average number of words per sentence of 26.67 words is high.
30.9% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
Words from the H1 heading are used in the page content.
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.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width, initial-scale=1" 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 7 tags for this page.
Image SEO
(Somewhat important)
Alt text (alternative text) is correctly used on all found images.
Social Networks
(Nice to have)
This page is optimized perfectly for social networks.
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
...93148/mordaualm.jpg?height=429&width=760Artenreiche Wiese auf der Mordaualm, Ramsau

Page structure

H1 heading
(Critically important)
Biodiversität der Pflanzen
The H1 heading is perfect.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Biodiversität der Pflanzen
H2 Kontakt
Baselink: https://www.uni-jena.de
The URL specified in the base tag refers to another domain.
Some anchor texts are used more than once.
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 too many external links (38) on this page.

Found links on this page

LinkAttributesAnchor text
https://www.uni-jena.de/External Subdomain Zur Startseite der Universität Jena
https://www.bio.uni-jena.de/External Subdomain Fakultät für Biowissenschaften
/Subdomain Biodiversität der Pflanzen
/Subdomain Anchor Zur Hauptnavigation
/Subdomain Anchor Zum Inhalt springen
/Subdomain Anchor Zum Fußbereich springen
https://www.uni-jena.de/204688...External Subdomain Schnelleinstieg
/2/sucheSubdomain Suche
/enSubdomain en
https://www.uni-jena.de/41470/...External Subdomain Erklärung zur Barrierefreiheit
https://www.uni-jena.de/176506...External Subdomain Leichte Sprache
https://www.uni-jena.de/207086...External Subdomain Gebärdensprache
/14/loginSubdomain Login
https://www.uni-jena.de/204688...External Subdomain Text duplicate Schnelleinstieg
https://www.uni-jena.de/41470/...External Subdomain Text duplicate Erklärung zur Barrierefreiheit
https://www.uni-jena.de/176506...External Subdomain Text duplicate Leichte Sprache
https://www.uni-jena.de/207086...External Subdomain Text duplicate Gebärdensprache
/enSubdomain Text duplicate en
/2/sucheSubdomain Text duplicate Suche
/14/loginSubdomain Text duplicate Login
/16/forschungSubdomain Forschung
/24/lehreSubdomain Lehre
/20/teamSubdomain Team
/18/publikationenSubdomain Publikationen
/16/forschungSubdomain Text duplicate Forschung
/24/lehreSubdomain Text duplicate Lehre
/20/teamSubdomain Text duplicate Team
/18/publikationenSubdomain Text duplicate Publikationen
/Subdomain Text duplicate Biodiversität der Pflanzen
https://www.google.com/maps/pl...New window External Subdomain Google Maps – LageplanExterner Link
https://api.whatsapp.com/send?...New window External Subdomain Diese Seite via WhatsApp teilen
https://twitter.com/intent/twe...New window External Diese Seite via Twitter teilen
https://www.facebook.com/share...New window External Subdomain Diese Seite via Facebook teilen
https://www.linkedin.com/shari...New window External Subdomain Diese Seite via LinkedIn teilen
/Subdomain Anchor Zum Seitenanfang
https://www.bpf.uni-jena.de/External Subdomain Text duplicate Fakultät für Biowissenschaften
http://www.iee.uni-jena.de/External Subdomain Institut für Ökologie und Evolution
/Subdomain Biodiversität der Pflanzen (Prof. Dr. Christine Römermann)
https://www.ecology.uni-jena.de/External Subdomain Ökologie (Prof. Dr. Stefan Halle)
https://www.popecol.uni-jena.de/External Subdomain Populationsökologie (Prof. Dr. Holger Schielzeth)
/External Spezielle Botanik (Prof. Dr. Frank Hellwig)
https://www.instagram.com/unij...New window External Subdomain Zum Instagram-Profil der Uni Jena
https://www.tiktok.com/@unijenaNew window External Subdomain Zum TikTok-Profil der Uni Jena
https://www.youtube.com/user/U...New window External Subdomain Zum YouTube-Profil der Uni Jena
https://www.linkedin.com/schoo...New window External Subdomain Zum LinkedIn-Profil der Uni Jena
https://www.facebook.com/UniJena/New window External Subdomain Zum Facebook-Profil der Uni Jena
https://twitter.com/UniJenaNew window External Zum X-Profil der Uni Jena
https://mastodon.social/@unijenaNew window External Zum Mastodon-Profil der Uni Jena
https://bsky.app/profile/uni-j...New window External Zum Bluesky-Profil der Uni Jena
https://www.charta-der-vielfal...New window External Subdomain Zur Webseite der Charta der Vielfalt
https://www.uni-jena.de/2055/b...External Subdomain Zur Webseite des Code of Conduct
https://www.familie-in-der-hoc...New window External Subdomain Zur Webseite des Best Practice-Club Familie in der Hochschule
https://www.adh.de/projekte/pa...New window External Subdomain Zur Webseite des Projekts Partnerhochschule des Spitzensports
https://www.akkreditierungsrat...New window External Subdomain Zur Webseite der Stiftung Akkreditierungsrat
https://www.total-e-quality.de/New window External Subdomain Zur Webseite der Initiative Total E-Quality
https://thueringen-weltoffen.de/New window External Zur Webseite von Weltoffenes Thüringen
/6/impressumSubdomain Impressum
https://www.uni-jena.de/20095/...External Subdomain Datenschutz
https://www.uni-jena.de/1135/n...External Subdomain Notfälle
https://www.uni-jena.de/41470/...External Subdomain Barrierefreiheit

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.plantbiodiv.uni-jena.de/"
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 is excellent with 0.07 seconds.
The file size of the HTML document is fine (31 kB).

HTTP Response Header

NameValue
dateTue, 03 Sep 2024 02:22:51 GMT
content-typetext/html; charset=utf-8
x-server02
content-encodinggzip
content-security-policyframe-ancestors uni-jena.de *.uni-jena.de
strict-transport-securitymax-age=31536000
x-content-type-optionsnosniff
referrer-policystrict-origin-when-cross-origin
permissions-policycamera=(), microphone=(), midi=(), usb=(), geolocation=(), gyroscope=(), payment=(), interest-cohort=()
x-statusSTALE
x-zoneContent
statuscode200
http_versionHTTP/2

External factors

This page has only a few links from other websites.
This page only has backlinks from 11 referring domains.
This page only has 132 backlinks.
This page only has few backlinks from 11 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: *
Allow: /pub/theme/vorlage_fe/skin/_css/*.css$
Allow: /pub/theme/vorlage_fe/skin/_css/*.css?
Allow: /pub/theme/vorlage_fe/skin/_js/*.js$
Allow: /pub/theme/vorlage_fe/skin/_js/*.js?
Allow: /pub/theme/vorlage_fe/skin/_images/*.png
Allow: /pub/theme/vorlage_fe/skin/_images/*.svg
Allow: /pub/theme/vorlage_fe/skin/fonts/*.woff2

Allow: /skin/*.css$
Allow: /skin/*.css?
Allow: /skin/*.js$
Allow: /skin/*.js?
Allow: /skin/*.svg
Allow: /skin/*.png

Disallow: /bin/
Disallow: /kerb/
Disallow: /lib/
Disallow: /pub/
Disallow: /setup/
Disallow: /site/
Disallow: /skin/
Disallow: /var/
Sitemap: https://www.plantbiodiv.uni-jena.de/135/sitemap.xml

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Search preview

www.plantbiodiv.uni-jena.de
Professur Biodiversität der Pflanzen
Institut für Ökologie und Evolution mit Herbarium Haussknecht und Botanischem Garten

Most important keywords

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

KeywordResultRecheck
Biodiversität62%Check
Pflanzen62%Check
Professur Biodiversität54%Check
Jena48%Check
Uni48%Check
Uni Jena48%Check
Arten48%Check
uni-jena48%Check
Ökologie46%Check
Institut46%Check
Show more keywords and terms

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