Software-challenge.de - SEO Checker

Sign up for free! PDF Export
Overview of the SEO Check
Meta information
80% 
Page quality
82% 
Page structure
32% 
Link structure
93% 
Server
91% 
External factors
100% 
SEO Score
Response time
0.32 s
File size
24.50 kB
Words
667
Media files
21
Number of links
45 internal / 11 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Home | Software-Challenge Germany
The length of the page title is perfect. (333 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Die Software-Challenge ist ein Programmierwettbewerb für Schülerinnen und Schüler der Oberstufe. Es wird ein Computerspieler für ein vorgegebenes Brettspiel programmiert, der dann deutschlandweit gegen Spieler anderer Schulen antritt.
The meta description is too long: 1485 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: 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.
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 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
descriptionDie Software-Challenge ist ein Programmierwettbewerb für Schülerinnen und Schüler der Oberstufe. Es wird ein Computerspieler für ein vorgegebenes Brettspiel programmiert, der dann deutschlandweit gegen Spieler anderer Schulen antritt.
langde
X-UA-CompatibleIE=edge,chrome=1
charsetutf-8

Automatically check software-challenge.de including all subpages at once!

Try for free
Guaranteed free of charge during trial period.

Page quality

Content
(Critically important)
This page contains 667 words. That's ok.
28.5% of the text are stop words.
The page contains a listing, which indicates a good text layout.
10 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 14.86 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=device-width, initial-scale=1" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 13 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
/site/themes/freebird/img/logo.pngNo alt attribute provided
/site/themes/freebird/img/teaching-icon.pngNo alt attribute provided
/site/themes/freebird/img/tution-icon.pngNo alt attribute provided
...mes/freebird/img/wave-overlay-header.pngNo alt attribute provided
/assets/logos/teacher.pngNo alt attribute provided
/assets/logos/pupil.pngNo alt attribute provided
/assets/logos/corporation.pngNo alt attribute provided
/assets/piranhas-board.pngNo alt attribute provided
/assets/sponsor_logos/petersen_stiftung.jpgProf. Dr. Werner Petersen-Stiftung
/assets/sponsor_logos/fh-wedel.svgFachhochschule Wedel
/assets/sponsor_logos/ifi.svgInstitut für Informatik
/assets/sponsor_logos/citti.jpgCITTI-PARK
/assets/sponsor_logos/getdigital.svggetDigital
/assets/sponsor_logos/cau-tf.svgChristian-Albrechts-Universität zu Kiel, Technische Fakultät
/assets/sponsor_logos/kn.svgkn
/assets/sponsor_logos/shz.jpgshz
...onsor_logos/forde-sparkasse-rot-9094.pngFörde Sparkasse
...mes/freebird/img/wave-overlay-footer.pngNo alt attribute provided
/site/themes/freebird/img/discord-icon.pngNo alt attribute provided
/site/themes/freebird/img/facebook-icon.pngNo alt attribute provided

Page structure

H1 heading
(Critically important)
Programmier-Wettbewerb
Too many H1 headings
The H1 heading consists of only one word. There should be more information given.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H1 Programmier-Wettbewerb
H1 Unterrichtsergänzung
H1 Stipendienprogramm
H2 Was machen wir?
H2 Saison 2026
H2 Piranhas
H2 Letzter Wettkampf
H2 In den Medien
H2 Diese Partner unterstützen uns
H2 Weitere Links
H2 Dabei sein
H4 Lehrer/Innen
H4 Schüler/Innen
H4 Unternehmen
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 11 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://software-challenge.de/No Text
/mitmachenMitmachen
/teamÜber uns
/kontaktKontakt
/ablauf-und-termineAblauf
/dokumentation-und-materialMaterial
https://contest.software-chall...External Subdomain Wettkampf & Anmeldung
/mitmachenText duplicate Mitmachen
/teamÜber die Challenge
/dokumentation-und-materialText duplicate Material
/mitmachen/lehrer-innenSchul-Informatik fördern
/mitmachen/schueler-innenStipendien ergattern
/mitmachen/unternehmenUnternehmen präsentieren
/ablauf-und-termineWeitere Informationen zum Ablauf
https://contest.software-chall...New window External Subdomain Das Finale der Software Challenge 2025
/finaleFotos vom Finale
/assets/Presseartikel-PDFs/sto...Oldesloer trumpfen bei Software-Challenge auf
/assets/Presseartikel-PDFs/hus...Deutschlands bester Informatik-Lehrer
/assets/Presseartikel-PDFs/syl...Text duplicate Deutschlands bester Informatik-Lehrer
/assets/Presseartikel-PDFs/der...Text duplicate Deutschlands bester Informatik-Lehrer
/assets/Presseartikel-PDFs/boy...Zweitbeste Nachwuchsprogrammierer Deutschlands kommen aus Heide
/assets/Presseartikel-PDFs/hol...17-Jähriger verblüfft die Profis
/assets/Presseartikel-PDFs/sch...17-Jähriger verblüfft Profi-Programmierer
/assets/Presseartikel-PDFs/sto...Oldesloer Programmierer wollen Software-Challenge gewinnen
/assets/Presseartikel-PDFs/hus...Ein Hauch von Silicon Valley
https://www.boyens-medien.de/a...External Subdomain Wie Codes Begeisterung entfachen
/assets/Presseartikel-PDFs/kn-...Software-Challenge: RBZ Wirtschaft ausgeschieden
/assets/Presseartikel-PDFs/eck...Eckhorster Schüler gewinnen Preis
/assets/Presseartikel-PDFs/202...IT-Hoffnungen glänzten in Kiel
/assets/Presseartikel-PDFs/kie...Software-Challenge in der heißen Phase
https://www.hl-live.de/text.ph...External Subdomain Softwarechallenge: Zwei OzD-Teams unter den Top 8
/assets/Presseartikel-PDFs/202...Wettkampf der virtuellen Intelligenzen
/assets/Presseartikel-PDFs/202...Das Ostsee-Schach entstand am Strand
/assets/Presseartikel-PDFs/kn-...Team EBG schlug sich gut
/assets/Presseartikel-PDFs/hus...Pokal und Zeugnis an einem Tag
/assets/Presseartikel-PDFs/pm.pdfDer HTS gelingt das Double
https://www.bargteheideaktuell...External Subdomain Stipendien für junge Programmierer
/assets/Presseartikel-PDFs/art...Subdomain Ein Pokal am ersten Tag in voller Klassengröße
/assets/Presseartikel-PDFs/hiv...Subdomain Eckhorst-Teams holen Stipendien bei Uni-Wettbewerb
/assets/Presseartikel-PDFs/kn-...Subdomain Ameisen aus Husum krabbeln zum Sieg
/assets/Presseartikel-PDFs/kn-...Subdomain Insekten krabbeln virtuell ins Finale
https://www.kn-online.de/Kiel/...External Subdomain Die Besten kommen aus dem Süden
https://www.ln-online.de/Lokal...External Subdomain Lübecker Schüler starten bei Informatik-Challenge
https://www.shz.de/lokales/kue...External Subdomain Künstliche Intelligenz aus Kellinghusen
https://www.abendblatt.de/regi...External Subdomain Warum Schüler spielend Informatik lernen
/kontaktText duplicate Kontakt
/presseartikelPresseartikel
/mitmachenText duplicate Mitmachen
/ablauf-und-termineText duplicate Ablauf
/dokumentation-und-materialText duplicate Material
/bilderursprungBilderursprung
/datenschutzDatenschutz
/impressumImpressum
/kontaktKontaktieren Sie uns!
https://discord.gg/jhyF7EUExternal No Text
https://www.facebook.com/Softw...External Subdomain No Text

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://software-challenge.de/"
HTTP header
(Important)
The X-powered header is sent within the response header. (unnecessary)
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time is excellent with 0.32 seconds.
The file size of the HTML document is fine (25 kB).

HTTP Response Header

NameValue
alt-svch3=":443"; ma=2592000
cache-controlno-cache
content-encodinggzip
content-typetext/html; charset=UTF-8
dateSun, 13 Jul 2025 02:56:18 GMT
permissions-policyinterest-cohort=()
serverCaddy
set-cookie350 Characters
varyAccept-Encoding
x-powered-byPHP/7.4.12
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 94 referring domains.
This page has 133 backlinks.
This page has backlinks from 87 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: *
Disallow:

Similar sites

Search preview

software-challenge.de
Home | Software-Challenge Germany
Die Software-Challenge ist ein Programmierwettbewerb für Schülerinnen und Schüler der Oberstufe. Es wird ein Computerspieler für ein vorgegebenes Brettspiel programmiert, der dann deutschlandweit gegen Spieler anderer Schulen antritt.

Most important keywords

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

KeywordResultRecheck
Software-Challenge69%Check
Wettbewerb62%Check
Schüler50%Check
Programmier-Wettbewerb50%Check
Schülerinnen und Schüler47%Check
Spieler46%Check
Schülerinnen46%Check
Schulen46%Check
Brettspiel46%Check
Programmierwettbewerb46%Check
Show more keywords and terms

Automatically check software-challenge.de including all subpages at once!

Try for free
Guaranteed free of charge during trial period.

Cookie Policy

We use cookies to make our site work and also for analytics and advertising purposes. You can enable or disable optional cookies as desired. See the following links for more information.

Contact | Privacy

We need these so the site can function properly

So we can better understand how visitors use our website

So we can serve you tailored ads and promotions