Mathe-online.at - SEO Checker

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Overview of the SEO Check
Meta information
47% 
Page quality
36% 
Page structure
58% 
Link structure
98% 
Server
45% 
External factors
100% 
SEO Score
Response time
0.18 s
File size
24.00 kB
Words
228
Media files
12
Number of links
54 internal / 9 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
mathe online
The page title is too short. (114 pixels of 580 max pixel length) Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
mathe online bietet eine Galerie multimedialer Lernhilfen für Schule, Studium und Selbststudium. mathe online provides a gallery of mathematics multimedia learning tools (in German language).
The meta description is too long: 1191 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
Server location: United States of America
The language is not specified in the HTML markup.
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)
The character encoding is not specified.
The character encoding is not specified in the HTTP header.
Doctype
(Nice to have)
No doctype markup was found.
Favicon
(Nice to have)
No favicon is linked in the HTML code.

Meta tags

NameValue
authorFranz Embacher, Petra Oberhuemer
descriptionmathe online bietet eine Galerie multimedialer Lernhilfen für Schule, Studium und Selbststudium. mathe online provides a gallery of mathematics multimedia learning tools (in German language).
keywordsMathematik, Mathe, mathe online, lernen, Lernhilfe, Schule, Selbststudium, Studium, Mathematikunterricht, Bildung, Java, Applet, Applets, Multimedia, interaktiv, Interaktivitaet, Interaktivität, Didaktik, Mathematikdidaktik, Puzzles, mathematics, math, education, Tests, interaktive Tests, interactive tests, Unterrichtsvorschläge, Formeln, Plotter, Funktionsplotter, HTML-Formelwerkzeug, puzzles

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Page quality

Content
(Critically important)
There are only 228 words on this page. Use at least 250 words to provide useful information.
No paragraphs were detected.
21.9% 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.
No placeholders texts or images were found.
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 does not require any JavaScript files.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 6 tags for this page.
Image SEO
(Somewhat important)
4 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
https://mathe-online.at/grafiken/pfeile.gifNo alt attribute provided
/grafiken/mo_logo3.jpgNo alt attribute provided
/grafiken/services/link1.gifNo alt attribute provided
/logos/univie_logo_farbe_web.gifUniversität WienUniversität Wien
/logos/FHTW_Logo_Farbe.jpgFachhochschule TECHNIKUM WIENFachhochschule TECHNIKUM WIEN
https://mathe-online.at/logos/10leer.gifNo alt attribute provided
https://mathe-online.at/logos/bmuklogo.gifBundesministerium für Bildung, Wissenschaft und KulturBundesministerium für Bildung, Wissenschaft und Kultur
/logos/imst3_klein.gifIMST - Innovations in Mathematics, Science and Technology TeachingIMST - Innovations in Mathematics, Science and Technology Teaching
https://mathe-online.at/logos/esf.gifEuropäischer SozialfondsEuropäischer Sozialfonds
/logos/verbandlogo.gifVerband Wiener VolksbildungVerband Wiener Volksbildung
https://mathe-online.at/logos/wienwapp.gifMagistrat der Stadt Wien, MA13Magistrat der Stadt Wien, MA13
https://mathe-online.at/logos/oenblogo.gifOesterreichische NationalbankOesterreichische Nationalbank

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 9 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://mathe-online.at/neu.htmlneu in mathe online
/termine/Terminkalender
/download/download.htmlDownload
http://www.univie.ac.at/future...External Subdomain English version of
/ressourcen/uebersicht.htmlRessourcen zu mathematischen Themen
/Mathematica/Rechnen mit Mathematica
/formeln.htmlFormeln und Web: mathe online HTML-Formelwerkzeug
/galerie.htmlGalerie
/mathint.htmlMathematische Hintergründe
/skripten/index.htmlSkripten
/mathint/lexikon/index.htmlLexikon
/tests.htmlInteraktive Tests
/kacheltests/Kacheltests
http://www.mathe-online.at/clips/Clips
/links/index.htmlMathe-Links und Online-Werkzeuge
/openstudio/Open Studio
/materialien/Materialien
/lernpfade/Lernpfade
http://www.mathe-online.at/user/Login
/projekte.htmlProjekt-Materialien
/projekte/QualitaetssicherungB...Qualitätssicherungsma?nahmen in Brückenkursen
A-TITLE Math-Bridge
/projekte/math-bridge.htmlMath-Bridge
A-TITLE Math-Bridge
/projekte/BlendedLearningSTEP....Blended Learning für Mathematik in der STEP
A-TITLE Blended Learning für Mathematik in der Studieneingangsphase
/projekte/medienvielfalt2.htmlMedienvielfalt im Mathematikunterricht 2
A-TITLE Medienvielfalt im Mathematikunterricht 2 - Projekt
http://www.mathe-online.at/nml/Neue Medien in der Mathematik-Ausbildung
A-TITLE nml - mathe online an Universität, Fachhochschule und pädagogischer Akademie
/EuroMath/EuroMath
A-TITLE EuroMath Projektinitiative
http://www.mathe-online.at/monk/mathe online network
A-TITLE monk - Einsatz von mathe online und Lernpfaden im Unterricht
http://www.mathe-online.at/mni/Erweiterung auf Sek 1
A-TITLE monk - Das neue Unterstufenprojekt (mni-Projekt) im Schuljahr 2004/5
/nww/index.cgiPerspektiven für einen zeitgemäßen Mathematikunterricht
A-TITLE Projekt der Naturwissenschaftswerkstatt 2002/3
/zweiterbw/index.htmlKurse des Zweiten Bildungswegs
A-TITLE mathe online an der Volkshochschule - Projekt 1999/2000
/puzzles.htmlPuzzle-Workshop
/selfpuzzle/selfpuzzle.htmlApplet-Puzzles zum Selbermachen
/testpuzzle/testpuzzle.htmlTest-Puzzles zum Selbermachen
/testpuzzle/mftestErstellen.cgiMultiple Choice Tests zum Selbermachen
/selfpuzzle/plinks.htmlPuzzle-Links
/services.htmlWeitere Services
/dres/dres.htmlDownload-Ressourcen
/dres/dres.htmlAnchor PISA-Aufgaben
/untvorschl.htmlUnterrichtsvorschläge
http://www.mathe-online.at/PES/P.E.S. Dialogsystem für mathe online
/symbole.htmlMathematische Symbole und Abkürzungen
/suchen.htmlSuchen in mathe online
/einstellungen/einst.htmlGünstige Rechner-, Browser- und Bildschirmeinstellungen
/ueber.htmlÜber mathe online
/einfuehrung.htmlEinführung
/literatur.htmlLiteratur
/autorInnen.htmlAutorInnen
/mitwirkende.htmlMitwirkende
/projekte.htmlProjekte, Kooperationen und Förderungen
/awards.htmlAuszeichnungen
https://mathe-online.at/eval.htmlEvaluierung und Rückmeldung
http://www.mathe-online.at/forum/Forum
/fragebogenkurz.htmlFragebogen
/fragebogenlang.htmlText duplicate Fragebogen
/emptests.htmlEvaluierung im Unterricht
http://www.univie.ac.at/External Subdomain IMG-ALT Universität Wien
http://www.technikum-wien.at/External Subdomain IMG-ALT Fachhochschule TECHNIKUM WIEN
http://www.bmukk.gv.at/External Subdomain IMG-ALT Bundesministerium für Bildung, Wissenschaft und Kultur
http://imst.uni-klu.ac.at/External Subdomain IMG-ALT IMST - Innovations in Mathematics, Science and Technology Teaching
http://www.esf.at/External Subdomain IMG-ALT Europäischer Sozialfonds
http://vwv.at/External IMG-ALT Verband Wiener Volksbildung
http://www.wien.gv.at/External Subdomain IMG-ALT Magistrat der Stadt Wien, MA13
http://www.oenb.at/External Subdomain IMG-ALT Oesterreichische Nationalbank

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://mathe-online.at/"
HTTP header
(Important)
The HTML page should be transferred using GZip compression.
The web server version is sent within the HTTP header.
No X-Powered HTTP header is sent.
Performance
(Somewhat important)
The page response time is excellent with 0.18 seconds.
This page does not require any CSS files.
This page does not require any JavaScript files.
The file size of the HTML document is fine (24 kB).

HTTP Response Header

NameValue
dateFri, 23 Jan 2026 23:58:09 GMT
serverApache/2.4.37 (Red Hat Enterprise Linux) mod_perl/2.0.12 Perl/v5.26.3
last-modifiedThu, 29 Oct 2020 10:25:42 GMT
etag"601a-5b2ccb3baf580"
accept-rangesbytes
content-length24602
keep-alivetimeout=5, max=100
content-typetext/html
set-cookie106 Characters
cache-controlprivate
connectionclose
statuscode200
http_versionHTTP/1.1

External factors

This website has excellent links from other websites.
This page has backlinks from 204 referring domains.
This page has 359 backlinks.
This page has backlinks from 63 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

No valid Robots.txt file was found.

Similar sites

Search preview

mathe-online.at
mathe online
mathe online bietet eine Galerie multimedialer Lernhilfen für Schule, Studium und Selbststudium. mathe online provides a gallery of mathematics multimedia learning tools (in German language).

Most important keywords

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

KeywordResultRecheck
mathe73%Check
Mathe Online71%Check
Galerie46%Check
Learning46%Check
multimediale46%Check
Blended Learning40%Check
Fachhochschule38%Check
Universität38%Check
Wissen38%Check
Web36%Check
Show more keywords and terms

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