- SEO Checker

Overview of the SEO Check
Meta information
Page quality
Page structure
Link structure
External factors
SEO Score
Response time
0.04 s
File size
3.40 kB
Media files
Number of links
20 internal / 3 external

Task list of SEO Improvements

Meta specifications

(Critically important)
Mediendatenbank Biologie
The length of the page title is perfect. (239 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Digitale Medien zur kreativen Gestaltung des Biologieunterrichts
The length of the meta description is perfect. (395 pixels out of 1000 max pixel length)
(Critically important)
There are no problems in accessing the website.
Canonical URL
No canonical link is specified.
(Somewhat important)
Language defined in HTML: de
Server location: Germany
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.
(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 character encoding is not specified in the HTTP header.
The charset encoding (ISO-8859-1) is set correctly.
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
(Nice to have)
No favicon is linked in the HTML code.

Meta tags

viewportwidth=device-width, initial-scale=1.0, user-scalable=yes
AuthorThomas Seilnacht
DescriptionDigitale Medien zur kreativen Gestaltung des Biologieunterrichts
KeyWordsDigitale, Folien, Biologie, Medien, Biologieunterricht, Seilnacht, Arbeitsblätter, Tiere, Pflanzen, Unterrichtsmaterial, Unterricht, Sinnesorgane, Humanbiologie, Singvögel, Greife, Filme, Ökologie, Wasserorganismen, Bodentiere, Bestimmungsschlüssel, Boden, Vogelflug, Papageitaucher
Content-Typetext/html; charset=ISO-8859-1

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Page quality

(Critically important)
There are only 20 words on this page. Use at least 250 words to provide useful information.
No paragraphs were detected.
5% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
No placeholders texts or images were found.
(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=1.0, user-scalable=yes" is provided.
This page does not require any JavaScript files.
Bold and strong tags
(Somewhat important)
Empty bold or strong tags were found on 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.
(Somewhat important)
This website uses HTTPS to protect privacy and integrity of the exchanged data.
All included files are also transferred via HTTPS.

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
There are no headings specified on the page. Headings are important for search engine optimization and help to structure your content.

Heading structure

No headings were found.
The number of internal links is ok.
Every linktext is unique.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 3 external links on this page.
LinkAttributesAnchor text Chemie Physik window External IMG-ALT Lizenz
/user.htmlIMG-ALT Anleitung
/didaktik.htmlIMG-ALT Unterricht gestalten
/nwa.htmlIMG-ALT Didaktik
/filme.htmlIMG-ALT Filme
/tafeln.htmlIMG-ALT Arbeitshefte
/buecher.htmlIMG-ALT Bilderbücher
/biologie/karten/dkarten.htmlIMG-ALT Digitale Karten
/pflanzen.htmlIMG-ALT Pflanzen
/biologie/pilze/pilze.htmlIMG-ALT Pilze
/tiere.htmlIMG-ALT Tiere
/mensch.htmlIMG-ALT Mensch
/oeko.htmlIMG-ALT Ökologie
/evolu.htmlIMG-ALT Evolution
/biologie/statist/stati.htmlIMG-ALT Statistik
/biologie/gs/index.htmlIMG-ALT Version für Kids

Server configuration

HTTP redirects
(Critically important)
This page redirects to ""
HTTP header
The HTML page should be transferred using GZip compression.
The X-powered header is sent within the response header. (unnecessary)
(Somewhat important)
The page response time is excellent with 0.04 seconds.
This page only loads 1 CSS files. That's ok.
This page does not require any JavaScript files.
The file size of the HTML document is fine (3 kB).

HTTP Response Header

dateSun, 11 Feb 2024 14:00:56 GMT
last-modifiedSun, 19 Mar 2023 22:06:38 GMT

External factors

(Nice to have)
This website is not classified "for adult only".
This website has excellent links from other websites.
This page has backlinks from 1,001 referring domains.
This page has 6,014 backlinks.
This page has backlinks from 276 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares and comments on Facebook.
Listed on Webwiki
(Nice to have)
This website is listed on Webwiki.

Links from Wikipedia

No links from Wikipedia were found.

Search preview
Mediendatenbank Biologie
Digitale Medien zur kreativen Gestaltung des Biologieunterrichts

Most important keywords

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

Mediendatenbank Biologie54%Check
digitale Medien51%Check

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