Biologieunterricht.info - SEO Checker

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Overview of the SEO Check
Meta information
74% 
Page quality
76% 
Page structure
100% 
Link structure
88% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.13 s
File size
27.90 kB
Words
1105
Media files
15
Number of links
36 internal / 7 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Die neusten Updates | biologieunterricht.info
The length of the page title is perfect. (395 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)
http://www.biologieunterricht.info/
The specified canonical link points to a different page.
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 name is very long.
The domain is no subdomain.
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 character encoding is not specified in the HTTP header.
The charset encoding (UTF-8) is set correctly.
Doctype
(Nice to have)
The doctype XHTML 1.0 Transitional 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
keywordsunterrichtsentwurf, Unterrichtsentwürfe, Schule, Problemorientierung, Biologie, Biologieunterricht, Gymnasium, problemlösendes Verfahren, unterrichtsbesuch, BUB-Entwürfe, Lehrprobe, Unterrichtsmaterialien, creative commons, Referendar, Referendariat, problemorientierter Biologieunterricht, unterrichtsmaterial, arbeitsblätter, kostenlos, arbeitsblatt, biologie, naturwissenschaft, naturwissenschaftliches denken, naturwissenschaftliche erkenntnisgewinnung
robotsall
generatorSandvox Pro 1.6.10 (24047)
viewportwidth=1000
verify-v1tgo+KBLubF19TC3zcq+4BlGcF48Xi5eEl+m2y1HYkhM=
langde
content-typetext/html; charset=UTF-8

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Page quality

Content
(Critically important)
These Typos were found:
  • lizensierung => Lizenzierung
This page contains 1105 words. That's ok.
43.4% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
The page contains a listing, which indicates a good text layout.
25 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 14.41 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=1000" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 22 tags for this page.
Image SEO
(Somewhat important)
Alt text (alternative text) is correctly used on all found images.
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)
At least one javascript file was found, which is not integrated via HTTPS.
This website uses HTTPS to protect privacy and integrity of the exchanged data.

Media list

URLAlt attributeTitle
/_Media/88x31.png88x31_sidebar
/_Media/somerights20_1.pngsomerights20-1_sidebar
/_Media/umzug.jpgumzug
/_Media/letztesupdate.jpgletztesupdate
/_Media/neu_windkessel.jpgneu_windkessel
/_Media/neu_pool.jpgneu_pool
/_Media/neu_blutguppen_modelle.jpgneu_blutguppen_modelle
/_Media/neu_papierlos.jpgneu_papierlos
/_Media/neu_pool.jpgneu_pool
/_Media/neu_allensche_regel.jpgneu_allensche_regel
/_Media/neu_pinguin.jpgneu_pinguin
/_Media/neu_heuschrecke.jpgneu_heuschrecke
/_Media/neu_nadelblatt.jpgneu_nadelblatt
/_Media/bildsuche3_neu.jpegbildsuche3_neu
/_Media/neu_zellatmung.jpgneu_zellatmung

Page structure

H1 heading
(Critically important)
biologieunterricht.info
The H1 heading is perfect.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 biologieunterricht.info
H2 Website Navigation[Überspringen]
H2 Die neusten Updates
H3 Seitenleiste[Überspringen]
H3 28.03.13 | Umzug
H3 03.02.10 | Wo bleiben die Updates?
H3 01.05.09 | Windkesselfunktion der Aorta
H3 24.04.09 | Ideenpool ergänzt
H3 22.03.09 | Blutgruppen-Modelle
H3 13.03.09 | Den Papierbergen Herr werden
H3 06.03.09 | Ideenpool für problemorientierte Unterrichtseinstiege
H3 27.02.09 | Folien zur Allenschen Regel
H3 20.02.09 | Pinguine - die Bergmannsche Regel für die Sek. I
H3 14.02.09 | Neues Fotoalbum: Eiablage bei Heuschrecken und Nacktschnecken
H3 06.02.09 | Warum verlieren Nadelbäume im Winter nicht ihre Blätter?
H3 30.01.09 | Abbildungen finden - Teil 3
H3 23.01.09 | Folie zur Zellatmung in der Sek I
H3 Im Archiv | Alle Neuigkeiten seit Bestehen der Site
H4 Intention dieser Seite
H4 Anregungen, Fragen oder Kritik?
H4 Bestimmte Rechte vorbehalten -was soll denn das?
H4 Diese Seiten durchsuchen
H4 Datenschutzhinweis
Some anchor texts are used more than once.
3 links don't have an anchor text.
There are 2 links with a trivial 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 7 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://biologieunterricht.info/Nofollow Anchor [Überspringen]
/problemorientierung/Problemorientierung
A-TITLE Problemorientierung im Biologieunterricht
/unterrichtsmaterialien/Materialien
A-TITLE Materialien für den Biologieunterricht
/artikel/Artikel
A-TITLE Artikel
/buecher_medien/Medien
A-TITLE Bücher & Medien für den Biologieunterricht
http://fotos.biologieunterrich...External Subdomain Fotos
A-TITLE Fotos
/links/Links
A-TITLE Links
https://biologieunterricht.info/Nofollow Anchor Text duplicate [Überspringen]
http://creativecommons.org/lic...New window External Lizenz
http://de.creativecommons.org/New window External Subdomain Creative Commons
/informationen_ueber_diese_seite/Trivial anchor text
hier
/informationen_ueber_diese_seite/Text duplicate Trivial anchor text
hier
http://drupal.org/New window External Drupal
/unterrichtsmaterialien/windke...IMG-ALT neu_windkessel
/unterrichtsmaterialien/windke...Windkesselfunktion der Aorta
/problemorientierung/pool_unte...IMG-ALT neu_pool
/problemorientierung/pool_unte...Ideenpool
/unterrichtsmaterialien/blutgr...IMG-ALT neu_blutguppen_modelle
/unterrichtsmaterialien/blutgr...Blutgruppen
/unterrichtsmaterialien/blutgr...No Text
/artikel/papierloses_buero/IMG-ALT neu_papierlos
/artikel/papierloses_buero/Kampf gegen die unseligen Papierberge
/problemorientierung/pool_unte...Text duplicate IMG-ALT neu_pool
/problemorientierung/Bereich Problemorientierung
/problemorientierung/pool_unte...Ideenpool für problemorientierte Unterrichtseinstiege im Biologieunterricht
/unterrichtsmaterialien/allens...IMG-ALT neu_allensche_regel
/unterrichtsmaterialien/allens...die Erarbeitung der Allenschen Regel
/unterrichtsmaterialien/pinguine/IMG-ALT neu_pinguin
/unterrichtsmaterialien/pinguine/Thema
http://fotos.biologieunterrich...External Subdomain IMG-ALT neu_heuschrecke
http://fotos.biologieunterrich...External Subdomain neue Bilder
/unterrichtsmaterialien/nadelb...No Text
http://commons.wikimedia.org/w...External Subdomain No Text
/unterrichtsmaterialien/nadelb...No Text
/unterrichtsmaterialien/nadelb...IMG-ALT neu_nadelblatt
/unterrichtsmaterialien/nadelb...Unterrichtseinstieg
/artikel/abbildungen_finden_3/IMG-ALT bildsuche3_neu
/artikel/abbildungen_finden_3/dritten Teil
/unterrichtsmaterialien/zellat...IMG-ALT neu_zellatmung
/unterrichtsmaterialien/zellat...eine Folie
/neuigkeiten_archiv/Zum Archiv ...
/informationen_ueber_diese_seite/Datenschutzerklärung und Impressum
https://biologieunterricht.info/Nofollow Anchor [Nach oben]

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://biologieunterricht.info/"
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 is excellent with 0.13 seconds.
The file size of the HTML document is fine (28 kB).

HTTP Response Header

NameValue
serveropenresty
dateTue, 13 May 2025 09:35:40 GMT
content-typetext/html
x-lima-idga84BUJ1I6wvYxJvwT
set-cookie72 Characters
accept-rangesbytes
varyAccept-Encoding
content-encodinggzip
content-security-policyupgrade-insecure-requests
strict-transport-securitymax-age=31536000; includeSubDomains; preload
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 38 referring domains.
This page has 50 backlinks.
This page has backlinks from 34 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

No valid Robots.txt file was found.

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Search preview

Most important keywords

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

KeywordResultRecheck
Unterricht76%Check
biologieunterricht72%Check
info72%Check
neu63%Check
im Unterricht59%Check
im Biologieunterricht58%Check
Updates54%Check
neusten Updates54%Check
neusten47%Check
Site47%Check
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