Biologie-schule.de - SEO Checker

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Overview of the SEO Check
Meta information
62% 
Page quality
32% 
Page structure
58% 
Link structure
91% 
Server
40% 
External factors
100% 
SEO Score
Response time
0.08 s
File size
20.80 kB
Words
432
Media files
12
Number of links
119 internal / 1 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Biologie-Schule.de
The page title is too short. (169 pixels of 580 max pixel length) Optimize title
The domain is used in the page's title.
There are no duplicate words in the title
Meta description
(Critically important)
Biologie-Portal für die Themen Botanik, Cytologie, Entwicklungsbiologie, Ethologie, Evolution, Genetik, Humanbiologie, Neurobiologie und Ökologie. Kostenlose Selbstlernvideos und Bio-Lexikon.
The meta description is too long: 1197 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: en
Language defined in meta tags: de
Server location: United States of America
There are different language information within the page markup.
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)
HTTP-Header Content-Type: iso-8859-1
Meta http-equiv Content-Type: utf-8
The specified character encodings are different.
Doctype
(Nice to have)
The doctype XHTML 1.0 Strict 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
descriptionBiologie-Portal für die Themen Botanik, Cytologie, Entwicklungsbiologie, Ethologie, Evolution, Genetik, Humanbiologie, Neurobiologie und Ökologie. Kostenlose Selbstlernvideos und Bio-Lexikon.
keywordsbiologie, schule, botanik, oekologie, evolution, humanbiologie, neurobiologie, genetik, cytologie, zoologie, entwicklungsbiologie, verhaltensbiologie, bio, studium
languagede
robotsindex,follow
revisit-After3 days
distributionglobal
langen
content-typetext/html; charset=UTF-8

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Page quality

Content
(Critically important)
Only 2 paragraph/s was/were found on this page.
There are only 432 words on this page. Good pages should have about 800 words of useful content.
30.6% of the text are stop words.
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.
The average number of words per sentence of 13.14 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No viewpoint tag is provided.
No Apple touch icon is specified.
This page loads 5 JavaScript files. This may affect the load time negatively.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 9 tags for this page.
Image SEO
(Somewhat important)
11 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
/img/header.pngNo alt attribute provided
/img/botanik1.gifNo alt attribute provided
/img/zytologie.gifNo alt attribute provided
/img/entwicklungsbiologie.jpgNo alt attribute provided
/img/evolution3.gifNo alt attribute provided
/img/genetik1.gifNo alt attribute provided
/img/humanbiologie1.gifNo alt attribute provided
/img/neurobiologie1.gifNo alt attribute provided
/img/oekologie1.gifNo alt attribute provided
/img/verhaltensbiologie.jpgNo alt attribute provided
/img/zoologie2.gifNo alt attribute provided

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
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.
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 1 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.biologie-schule.de/Subdomain Home
/kontakt.phpKontakt
/impressum.phpImpressum
https://www.biologie-schule.de/Subdomain Biologie-Schule.de
https://www.biologie-schule.de/Subdomain Kompaktes Wissen für Schule und Studium
/botanik.phpBotanik
/cytologie.phpCytologie
/entwicklungsbiologie.phpEntwicklungsbiologie
/evolution.phpEvolution
/genetik.phpGenetik
/humanbiologie.phpHumanbiologie
/neurobiologie.phpNeurobiologie
/oekologie.phpÖkologie
/verhaltensbiologie.phpVerhaltensbiologie
/zoologie.phpZoologie
/allgemeine-chemie.phpAllgemeine Chemie
/periodensystem.phpPeriodensystem
/biografie.phpBiografien
/schon-gewusst.phpSchon gewusst?
/botanik.phpText duplicate Botanik
/cytologie.phpText duplicate Cytologie
/entwicklungsbiologie.phpText duplicate Entwicklungsbiologie
/evolution.phpText duplicate Evolution
/genetik.phpText duplicate Genetik
/humanbiologie.phpText duplicate Humanbiologie
/neurobiologie.phpText duplicate Neurobiologie
/oekologie.phpText duplicate Ökologie
/verhaltensbiologie.phpText duplicate Verhaltensbiologie
/zoologie.phpText duplicate Zoologie
/periodensystem.phpPeriodensystem der Elemente
/ahorn-steckbrief.phpAhorn
/birke-steckbrief.phpBirke
/eiche-steckbrief.phpEiche
/erle-steckbrief.phpErle
/fichte-steckbrief.phpFichte
/kastanie-steckbrief.phpKastanie
/kiefer-steckbrief.phpKiefer
/photosynthese-fotosynthese.phpPhotosynthese
/rotbuche-steckbrief.phpRotbuche
/tanne-steckbrief.phpTanne
/ulme-steckbrief.phpUlme
/weide-steckbrief.phpWeide
/diffusion.phpDiffusion
/eukaryoten.phpEukaryoten
/gaerung.phpGärung
/pflanzenzelle.phpPflanzenzelle
/prokaryoten.phpProkaryoten
/tierzelle.phpTierzelle
/osmose.phpOsmose
/zellkern.phpZellkern
/befruchtung.phpBefruchtung
/eizelle.phpEizelle
/embryo.phpEmbryo
/foetus.phpFötus
/geburt.phpGeburt
/immunsystem.phpImmunsystem
/nidation.phpNidation
/spermium.phpSpermium
/stammzelle.phpStammzelle
/evolutionstheorie-darwin.phpC. Darwin
/kreationismus.phpKreationismus
/evolutionsfaktor-gendrift.phpGendrift
/evolutionsfaktor-mutation.phpMutation
/evolutionsfaktor-selektion.phpSelektion
/synthetische-evolutionstheori...Synthetische Evolutionstheorie
/desoxyribonukleinsaeure-dna.phpDNA
/meiose.phpMeiose
/mitose.phpMitose
/replikation.phpReplikation
/ribonukleinsaeure-rna.phpRNA
/transkription.phpTranskription
/translation.phpTranslation
/stammbaumanalyse.phpStammbaumanalyse
/blut.phpBlut
/body-mass-index-bmi.phpBody-Mass-Index
/darm.phpDarm
/gehirn.phpGehirn
/haut.phpHaut
/hoeren-auditive-wahrnehmung.phpHören
/impfung.phpImpfung
/riechen-olfaktorische-wahrneh...Riechen
/schmecken-gustatorische-wahrn...Schmecken
/sehen-visuelle-wahrnehmung.phpSehen
/acetylcholin.phpAcetylcholin
/aktionspotential.phpAktionspotential
/computertomographie-ct.phpCT
/epsp-ipsp.phpEPSP & IPSP
/gamma-aminobuttersaeure-gaba.phpGABA
/nervenzelle-neuron.phpNervenzelle
/magnetresonanztomographie-mrt...MRT
/ruhepotential.phpRuhepotential
/synapse-aufbau.phpSynapse
/biotop.phpBiotop
/biozoenose.phpBiozönose
/jahreszeiten.phpJahreszeit
/lotka-volterra-regeln.phpLotka & Volterra
/oekosystem.phpÖkosystem
/oekosystem-see.phpÖkosystem See
/stoffkreislauf.phpStoffkreislauf
/altruismus.phpAltruismus
/instinkt.phpInstinkt
/konditionierung.phpKonditionierung
/reflex.phpReflex
/hunderassen.phpHunderassen
/verhalten.phpVerhalten
/biene-steckbrief.phpBiene
/elefant-steckbrief.phpElefant
/hamster-steckbrief.phpHamster
/hund-steckbrief.phpHund
/igel-steckbrief.phpIgel
/katze-steckbrief.phpKatze
/maus-steckbrief.phpMaus
/papagei-steckbrief.phpPapagei
/pferd-steckbrief.phpPferd
/schwein-steckbrief.phpSchwein
/spinne-steckbrief.phpSpinne
/wal-steckbrief.phpWal
https://www.openwebdesign.org/New window Nofollow External Subdomain Open Web Design
/datenschutzerklaerung.phpDatenschutzerklärung
/impressum.phpText duplicate Impressum

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.biologie-schule.de/"
HTTP header
(Important)
The HTML page should be transferred using GZip compression.
No X-Powered HTTP header is sent.
Performance
(Somewhat important)
This page loads 5 JavaScript files. This may affect the load time negatively.
The page response time is excellent with 0.08 seconds.
This page only loads 1 CSS files. That's ok.
The file size of the HTML document is fine (21 kB).

HTTP Response Header

NameValue
dateSat, 19 Oct 2024 11:58:11 GMT
serverApache
strict-transport-securitymax-age=0; includeSubDomains
transfer-encodingchunked
content-typetext/html; charset=ISO-8859-1
statuscode200
http_versionHTTP/1.1

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 873 referring domains.
This page has 4,042 backlinks.
This page has backlinks from 547 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-agent: *
Disallow: /impressum.php
Disallow: /kontakt.php

Similar sites

Search preview

www.biologie-schule.de
Biologie-Schule.de
Biologie-Portal für die Themen Botanik, Cytologie, Entwicklungsbiologie, Ethologie, Evolution, Genetik, Humanbiologie, Neurobiologie und Ökologie. Kostenlose Selbstlernvideos und Bio-Lexikon.

Most important keywords

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

KeywordResultRecheck
Biologie76%Check
Biologie-Schule62%Check
Botanik48%Check
Entwicklungsbiologie48%Check
Evolution48%Check
Genetik48%Check
Humanbiologie48%Check
Neurobiologie48%Check
Ökologie48%Check
Themen46%Check
Show more keywords and terms

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