Code4school.ch - SEO Checker

Sign up for free! PDF Export
Overview of the SEO Check
Meta information
75% 
Page quality
23% 
Page structure
58% 
Link structure
75% 
Server
100% 
External factors
87% 
SEO Score
Response time
0.33 s
File size
156.50 kB
Words
2868
Media files
82
Number of links
13 internal / 167 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Programmieren lernen - Tools für die Schule
The length of the page title is perfect. (394 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)
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 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
charsetutf-8

Test up to 1.000 webpages of code4school.ch with our free plan!

Try For Free
No trial. It's just free!

Page quality

Content
(Critically important)
There are 4 text duplicates on this page:
  • Duplicate 1: Vorteile: vielfältige Möglichkeiten in Kombination mit Legoteilen, Unt...
  • Duplicate 2: Beschreibung: Weg einer Spielfigur mit richtiger Befehlsreihenfolge pr...
The average number of words per sentence of 131.57 words is high.
This page contains 2868 words. That's ok.
17.7% 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.
60 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
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 amount of tags is very high (402). We recommend using a maximum of 57 tags for this page.
The following tag is repeated too often: stufe:
Image SEO
(Somewhat important)
82 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://www.code4school.ch/robo.svgNo alt attribute provided
https://www.code4school.ch/robo.svgNo alt attribute provided
https://www.code4school.ch/robo.svgNo alt attribute provided
https://www.code4school.ch/robo.svgNo alt attribute provided
https://www.code4school.ch/robo.svgNo alt attribute provided
/assets/images/swift.jpgNo alt attribute provided
/assets/images/bob3.jpgNo alt attribute provided
/assets/images/seven_billion_humans.pngNo alt attribute provided
/assets/images/agent_cubes.jpegNo alt attribute provided
/assets/images/lego_wedo.jpgNo alt attribute provided
/assets/images/box_island.jpgNo alt attribute provided
/assets/images/lego_spike.pngNo alt attribute provided
/assets/images/mbot.jpgNo alt attribute provided
/assets/images/tigerjython.jpgNo alt attribute provided
/assets/images/pocket_code.JPGNo alt attribute provided
/assets/images/hamster_simulator.jpgNo alt attribute provided
/assets/images/karel.jpgNo alt attribute provided
/assets/images/kara.pngNo alt attribute provided
/assets/images/circuit_playground.jpegNo alt attribute provided
/assets/images/compute_it.pngNo alt attribute provided
/assets/images/thymio.jpgNo alt attribute provided
/assets/images/checkio.pngNo alt attribute provided
/assets/images/edison.jpgNo alt attribute provided
/assets/images/scratch_jr.pngNo alt attribute provided
/assets/images/hopscotch.pngNo alt attribute provided
/assets/images/ozobot.jpegNo alt attribute provided
/assets/images/little_dot.jpegNo alt attribute provided
/assets/images/jack_robot_mouse.jpgNo alt attribute provided
/assets/images/candli.pngNo alt attribute provided
/assets/images/codebug.jpegNo alt attribute provided
/assets/images/beebot_bluebot.jpgNo alt attribute provided
/assets/images/cargo_bot.jpgNo alt attribute provided
...ts/images/programmieren_mit_der_maus.pngNo alt attribute provided
/assets/images/octostudio.pngNo alt attribute provided
/assets/images/turtle_coder.jpgNo alt attribute provided
/assets/images/thunkable.jpgNo alt attribute provided
/assets/images/earsketch.pngNo alt attribute provided
/assets/images/appinventor.pngNo alt attribute provided
/assets/images/osmo_coding_awbie.jpgNo alt attribute provided
/assets/images/sonic_pi.pngNo alt attribute provided
/assets/images/arduino.jpgNo alt attribute provided
/assets/images/calliope.jpgNo alt attribute provided
/assets/images/P5js.pngNo alt attribute provided
/assets/images/codecombat.pngNo alt attribute provided
/assets/images/processing.pngNo alt attribute provided
/assets/images/weblab.pngNo alt attribute provided
/assets/images/blockly_games.pngNo alt attribute provided
/assets/images/woofjs.pngNo alt attribute provided
/assets/images/open_roberta.pngNo alt attribute provided
/assets/images/pencilcode.jpgNo alt attribute provided
/assets/images/oxocard.pngNo alt attribute provided
/assets/images/run_marco.pngNo alt attribute provided
/assets/images/code_it.pngNo alt attribute provided
/assets/images/roboinstructus.jpgNo alt attribute provided
/assets/images/pglu.jpgNo alt attribute provided
/assets/images/kano.pngNo alt attribute provided
/assets/images/nepo_missions.pngNo alt attribute provided
/assets/images/snap.pngNo alt attribute provided
/assets/images/sphero.jpgNo alt attribute provided
/assets/images/crunchzilla.jpgNo alt attribute provided
/assets/images/makey.jpgNo alt attribute provided
/assets/images/run_marco.pngNo alt attribute provided
/assets/images/codeyourlive.jpegNo alt attribute provided
/assets/images/lego_boost.jpgNo alt attribute provided
/assets/images/tigerjython_online.gifNo alt attribute provided
/assets/images/cubetto.jpegNo alt attribute provided
/assets/images/x-logo.pngNo alt attribute provided
/assets/images/raspberry.pngNo alt attribute provided
/assets/images/Scratch.jpgNo alt attribute provided
/assets/images/samlabs.jpgNo alt attribute provided
/assets/images/silentteacher.jpegNo alt attribute provided
/assets/images/w3schools.jpgNo alt attribute provided
/assets/images/codea.jpgNo alt attribute provided
/assets/images/pythonista.jpgNo alt attribute provided
/assets/images/mindstorms_ev3.jpegNo alt attribute provided
/assets/images/freecodecamp.jpgNo alt attribute provided
/assets/images/oxocard_mini.jpegNo alt attribute provided
/assets/images/code.pngNo alt attribute provided
/assets/images/jimu_robot.jpgNo alt attribute provided
/assets/images/microbit.pngNo alt attribute provided
https://www.code4school.ch/assets/images/No alt attribute provided
/assets/images/hatchxr.pngNo alt attribute provided

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.
There are 81 headings on the page. The amount of headings should be in a more proper relation to the amount of text.

Heading structure

Heading levelContent
H2 Programmieren lernen - Tools für die Schule
H3 Swift Playground
H3 Bob3
H3 7 Billion Humans
H3 Agent Cubes
H3 Lego WeDo
H3 Box Island
H3 Lego Spike
H3 mBot
H3 Tigerjython
H3 Pocket Code
H3 Java Hamster
H3 Karel
H3 Kara
H3 Circuit Playground Express
H3 Compute It
H3 Thymio
H3 CheckiO
H3 Edison
H3 Scratch Jr
H3 Hopscotch
H3 Ozobot Evo/ Bit
H3 Little Dot Adventure
H3 Jack the Robot Mouse
H3 candli
H3 Codebug
H3 Beebot, Bluebot
H3 Cargo Bot
H3 Programmieren mit der Maus
H3 OctoStudio
H3 Turtle Coder
H3 Thunkable
H3 EarSketch
H3 Appinventor MIT
H3 Osmo Coding Awbie
H3 Sonic Pi
H3 Arduino UNO
H3 Calliope
H3 p5.js
H3 CodeCombat
H3 Processing
H3 Web Lab (von Code)
H3 Blockly-Games
H3 Woofys
H3 Open Roberta Lab
H3 Pencil Code
H3 Oxocard Blockly
H3 Run Marco Web
H3 Code it Studio
H3 Robo Instructus
H3 PGLU
H3 Kano Computer
H3 Nepo Missions
H3 Snap!
H3 Sphero/ Sphero Mini
H3 Crunchzilla
H3 MakeyMakey
H3 Run Marco App
H3 Code your live Turtlecoder
H3 Lego Boost
H3 Tigerjython online
H3 Cubetto
H3 X-Logo
H3 Raspberry Pi
H3 Scratch
H3 Samlabs
H3 Silent Teacher
H3 w3schools
H3 Codea
H3 Pythonista 3
H3 Mindstorms Education EV3
H3 freeCodeCamp
H3 Oxocard Mini
H3 Code.org
H3 Jimu Robot
H3 Microbit
H3 Oxocard Science
H3 Hatch XR
H4 Beschreibung
H4 Allgemeine Links zu Unterrichtsmaterialien
H4 Impressum
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 too many external links (167) on this page.

Found links on this page

LinkAttributesAnchor text
https://www.code4school.ch/Anchor Impressum
https://appcamps.de/unterricht...New window External Appcamps
https://csunplugged.org/New window External CS unplugged
http://www.educ.ethz.ch/unterr...New window External Subdomain educeth
https://www.verkehrshaus.ch/be...New window External Subdomain i-factory Verkehrshaus Luzern
http://ilearnit.ch/New window External iLearnIT
https://www.inf-schule.de/New window External Subdomain inf-Schule
http://www.mia4u.ch/katalog/New window External Subdomain mia4u
https://www.minibiber.ch/index...New window External Subdomain Minibiber
https://www.roteco.ch/de/aktiv...New window External Subdomain Roteco
https://www.schularena.com/ict...New window External Subdomain Schularena
https://www.swisseduc.ch/infor...New window External Subdomain Swisseduc
https://www.sonnentaler.net/ak...New window External Subdomain 1, 2, 3 ... kodiert
https://itunes.apple.com/ch/ap...New window External Subdomain Swift Playground im Appstore
https://www.bob3.org/de/New window External Subdomain www.bob3.org
https://www.progbob.org/New window External Subdomain Progbob (online-Tutorial von bob3 -> look around anklicken)
https://www.bob3.org/downloads...New window External Subdomain Lehrerhandreichung von Bob3
https://www.bob3.org/images/BO...New window External Subdomain Übersicht Lerninhalte Tutorial von Bob3
https://itunes.apple.com/ch/ap...New window External Subdomain 7 Billion Humans im Appstore
https://de.agentsheets.com/New window External Subdomain de.agentsheets.com
https://www.zebis.ch/unterrich...New window External Subdomain Projekt "Frogger mit AgentCubes programmieren" in Zebis
https://docs.google.com/presen...New window External Subdomain Anleitungen von Nadine Stüber (google docs)
https://docs.google.com/presen...New window External Subdomain Anleitungsfilme von Nadine Stüber
https://education.lego.com/de-...New window External Subdomain education.lego.com/wedo-2
https://itunes.apple.com/ch/ap...New window External Subdomain Box Island im Appstore
https://education.lego.com/de-...New window External Subdomain education.lego.spike
https://www.makeblock.com/stea...New window External Subdomain Makeblock/steam-kits/mbot
/assets/materials/mbot/mbot_un...New window 8 Tasks (PH St Gallen)
https://www.tigerjython.ch/de/...New window External Subdomain www.tigerjython.ch
https://apps.apple.com/ch/app/...New window External Subdomain Pocket Code im Appstore
https://tc.tugraz.at/main/cour...New window External Subdomain Umfangreiches Lernprogramm der Technischen Universität Graz
http://www.java-hamster-modell...New window External Subdomain www.java-hamster-modell.de
http://www.java-hamster-modell...New window External Subdomain Materialsammlung von Java Hamster (scrollen zu "Unterrichtsmaterialien")
https://itunes.apple.com/ch/ap...New window External Subdomain Karel im Appstore
http://www.swisseduc.ch/inform...New window External Subdomain www.swisseduc.ch/.../kara
http://www.educ.ethz.ch/unterr...New window External Subdomain Leitprogramm Kara von J. Zimmermann, ETH Zürich
https://learn.adafruit.com/ada...New window External Subdomain learn.adafruit.com
https://compute-it.toxicode.fr/New window External Subdomain www.compute-it.toxicode.fr
https://www.thymio.org/New window External Subdomain www.thymio.org
https://www.thymio.org/teachin...New window External Subdomain Material von thymio.org
https://www.rrz-luzern.ch/unte...New window External Subdomain Material für Zyklus 2 von der PH Luzern
https://www.rrz-luzern.ch/unte...New window External Subdomain Material Zyklus 3 von der PH Luzern
https://www.sonnentaler.net/ak...New window External Subdomain 1, 2, 3 Kodiert (Unterrichtseinheit mit Roboter)
https://www.schabi.ch/seite/th...New window External Subdomain Material von der PH Zürich - Schule am Bildschirm
/assets/materials/thymio/Thymi...New window Thymio einfache Aufgaben von M.Friker
/assets/materials/thymio/Plaka...New window Plakat Anleitung Thymio VPL von M.Friker
https://checkio.org/New window External checkio.org
https://meetedison.com/New window External meetedison.com
https://www.phbern.ch/dienstle...New window External Subdomain Material PH Bern
https://www.scratchjr.org/New window External Subdomain www.scratchjr.org
https://appcamps.de/unterricht...New window External Anchor Unterrichtsmaterial von Appcamps
https://itunes.apple.com/ch/ap...New window External Subdomain Hopscotch im Appstore
https://ozobot.com/New window External ozobot.com
https://portal.ozobot.com/lessonsNew window External Subdomain Unterrichtseinheiten von ozobot.com (englisch)
http://ilearnit.ch/download/Oz...New window External Projektideen PH Schwyz
https://www.zebis.ch/unterrich...New window External Subdomain Schuelerarbeitsheft und Lehrerleitfaden von Urs Frischherz
https://www.schabi.ch/seite/ph...New window External Subdomain Challenge-Karten PH Zürich
/assets/materials/ozobot/Etike...New window Ozobot Vorlage Farbcode Ettiketten (Avery L4736) von M.Friker
/assets/materials/ozobot/Liste...New window Liste Ozobot Farbcodes mit Piktogrammen von M.Friker
https://files.ozobot.com/stem-...New window External Subdomain Farbcode-Tipps von Ozobot
https://files.ozobot.com/stem-...New window External Subdomain Farbcode-Uebersicht von Ozobot
https://little-dot.toxicode.fr/New window External Subdomain www.little-dot.toxicode.fr
https://www.learningresources....New window External Subdomain Learning Ressources
https://cand.li/index-de.htmlNew window External cand.li
http://www.codebug.org.uk/New window External Subdomain www.codebug.org
https://www.tts-international....New window External Subdomain www.tts-international.com
https://www.phfr.ch/sites/defa...New window External Subdomain Dossier PH Fribourg
/assets/materials/beebot_blueb...New window Aufgabensammlung PH Bern
https://www.minibiber.ch/image...New window External Subdomain Bee-Bot-Book deutsche Übersetzung
/assets/materials/beebot_blueb...New window Bluebot einfache Aufgaben von M.Friker
/assets/materials/beebot_blueb...New window Vorlage Quadrate für Stadtplan von M.Friker
https://itunes.apple.com/ch/ap...New window External Subdomain Bluebot App in Itunes
https://itunes.apple.com/ch/ap...New window External Subdomain Cargo Bot im Appstore
https://programmieren.wdrmaus.de/New window External Subdomain programmieren.wdrmaus.de
https://apps.apple.com/ch/app/...New window External Subdomain OctoStudio im Appstore
https://www.youtube.com/channe...New window External Subdomain Anleitungsvideos (englisch) auf Youtube
https://www.code-your-life.org...New window External Subdomain code-your-live/turtlecoder
https://www.code-your-life.org...New window External Subdomain Handbuch von code-your-live
https://thunkable.com/New window External Anchor thunkable.com
http://earsketch.gatech.edu/la...New window External Subdomain Anchor earsketch-gatech.edu
http://appinventor.mit.edu/exp...New window External Subdomain appinventor.mit.edu
https://appcamps.de/unterricht...New window External Unterrichtsmaterial von appcamps.de
http://appinventor.mit.edu/exp...New window External Subdomain Tutorials von Appinventor MIT (englisch)
https://itunes.apple.com/ch/ap...New window External Subdomain Osmo Coding Awbie im Appstore
https://sonic-pi.net/New window External sonic-pi.net
https://www.schularena.com/ict...New window External Subdomain Materialsammlung auf Schularena
https://phbern365.sharepoint.c...New window External Subdomain Material PH Bern (Tutorial aus Sonic Pi ergänzt mit Aufgaben)
https://sonicpi.weebly.com/upl...New window External Subdomain sonicpi.weebly.com
https://www.arduino.cc/New window External Subdomain www.arduino.cc
http://funduino.de/downloadsNew window External Unterrichtsmaterial von Funduino
http://starthardware.org/New window External Kidskurs auf starthardware.org
https://calliope.cc/New window External calliope.cc
https://calliope.cc/schulen/sc...New window External Unterrichtsmaterial-Sammlung von Calliope
https://calliope.cc/projekteNew window External Beispiele von Calliope
https://storycards.cc/kartensets/New window External Calliope-Cards von der PH Zürich und creative coding
https://www.moodletreff.de/plu...New window External Subdomain Coden mit dem Calliope mini (Schülerheft von M. Abend, K. Gramowski, L. Pelz, B. Poloczek)
https://appcamps.de/unterricht...New window External Text duplicate Unterrichtsmaterial von appcamps.de
https://makerstars.org/wp-cont...New window External Makerstars - Challengecards PH Thurgau
https://tueftelakademie.de/tue...New window External Unterrichtsmaterial von der Tüftelakademie (-> Werkzeuge -> Calliope Mini)
https://p5js.org/New window External p5js.org
https://codecombat.com/New window External codecombat.com
https://processing.org/New window External processing.org
https://www.zebis.ch/unterrich...New window External Subdomain Unterrichtsbeispiel bei Zebis von Christian Wyrsch
https://code.org/educate/weblabNew window External code.org/weblab
https://blockly-games.appspot....New window External Subdomain blockly-games.appspot.com
http://woofjs.com/New window External woofjs.com
https://lab.open-roberta.org/New window External Subdomain lab.open-roberta.org
https://pencilcode.net/New window External pencilcode.net
https://manual.pencilcode.net/New window External Subdomain Anleitung von Pencil Code auf englisch
https://www.oxocard.ch/New window External Subdomain www.oxocard.ch
https://blockly.oxocard.ch/New window External Subdomain Anchor Unterrichtsmaterial von Oxocard (rechte Spalte)
https://editor.oxocard.ch/New window External Subdomain Oxoscript (Python-Editor von Oxocard)
https://runmarco.allcancode.com/New window External Subdomain runmarco.allcancode.com
https://app.code-it-studio.de/New window External Subdomain code-it-studio
https://www.roboinstruct.us/New window External Subdomain www.roboinstruct.us
https://pglu.ch/New window External pglu.ch
https://pglu.ch/4-projekte/New window External Bauanleitungen von pglu
https://pglu.ch/vermittlung/New window External Arbeitsblätter zum Programmieren von pglu
https://kano.me/New window External kano.me
https://apps.apple.com/ch/app/...New window External Subdomain Nepo Missions im Appstore
https://snap.berkeley.edu/New window External Subdomain snap.berkeley.edu
https://www.sphero.com/New window External Subdomain www.sphero.com
https://edu.sphero.com/cwists/...New window External Subdomain Unterrichtsideen von sphero.com
http://www.crunchzilla.com/New window External Subdomain www.crunchzilla.com
https://makeymakey.com/New window External makeymakey.com
http://ilearnit.ch/download/Ma...New window External Text duplicate Projektideen PH Schwyz
https://cdn.shopify.com/s/file...New window External Subdomain Lektionspläne von makeymakey.com (englisch)
https://tueftelakademie.de/tue...New window External Unterrichtsbeispiele von tueftelakademie.de
https://epic-stuff.de/bauanlei...New window External Anleitungen von epic-stuff.de
https://itunes.apple.com/ch/ap...New window External Subdomain Run Marco im Appstore
https://www.code-your-life.org...New window External Subdomain code your live turtlecoder
https://player.edudesk.de/Book...New window External Subdomain Das Turtle Buch
https://www.code-your-life.org...New window External Subdomain Handbuch
/assets/materials/codeyourlive...New window Aufgabenkarten
https://www.lego.com/de-de/the...New window External Subdomain www.lego.com/.../boost
http://www.python-online.ch/New window External Subdomain www.python-online.ch
https://www.primotoys.com/New window External Subdomain Cubetto Primotoys
/assets/materials/cubetto/teac...New window Teacherguide von Cubetto
https://medienkindergarten.wie...New window External Praxistipp Medienkindergarten Wien
https://xlogo.inf.ethz.ch/rele...New window External Subdomain xlogo.inf.ethz.ch
https://abz.inf.ethz.ch/wp-con...New window External Subdomain Programmieren mit Logo (ABZ ETH Zürich)
https://abz.inf.ethz.ch/wp-con...New window External Subdomain Programmieren mit Logo, Sekundarstufe 1 (ABZ ETH Zürich)
https://abz.inf.ethz.ch/wp-con...New window External Subdomain Programmieren mit Logo für Fortgeschrittene (ABZ ETH Zürich)
https://abz.inf.ethz.ch/wp-con...New window External Subdomain Programmieren mit Logo, Projekte (ABZ ETH Zürich)
https://www.raspberrypi.org/New window External Subdomain www.raspberypi.org
http://www.medienistik.de/Them...New window External Subdomain Themenheft Raspberry Pi von Medienistik
https://scratch.mit.edu/New window External Subdomain scratch.mit.edu
https://scratch.mit.edu/projec...New window External Subdomain Tutorials von Scratch
https://resources.scratch.mit....New window External Subdomain Scratchkarten
https://www.zebis.ch/unterrich...New window External Subdomain Scratch 3.0 kennenlernen von Urs Frischherz
https://www.schabi.ch/seite/sc...New window External Subdomain Materialsammlung PHZH auf schabi
https://csfirst.withgoogle.com...New window External Subdomain Lernkurse mit Videos von Google CS First
http://ilearnit.ch/download/Sc...New window External Text duplicate Projektideen PH Schwyz
http://www.swisseduc.ch/inform...New window External Subdomain Scratch-Werkstatt von swisseduc
/assets/materials/scratch/scra...New window Scratch in 3 Stunden von Bernd Gärtner
https://samlabs.com/New window External samlabs.com
https://samlabs.com/us/content...New window External von samlabs
https://silentteacher.toxicode...New window External Subdomain www.silentteacher.toxicode.fr
https://www.w3schools.com/html...New window External Subdomain www.w3schools.com
https://itunes.apple.com/ch/ap...New window External Subdomain Codea im Appstore
https://bitbucket.org/TwoLives...New window External Tutorial-Sammlung von TwoLivesLeft (Empfehlung:Codea for Kids) - englisch
https://itunes.apple.com/ch/ap...New window External Subdomain Pythonista im Appstore
https://education.lego.com/de-...New window External Subdomain education.lego.mindstorms
https://education.lego.com/de-...New window External Subdomain von Lego
https://www.schularena.com/ict...New window External Subdomain von Schularena.com
https://learn.freecodecamp.org/New window External Subdomain learn.freecodecamp.org
https://www.oxocard.ch/New window External Subdomain Text duplicate www.oxocard.ch
https://code.org/New window External code.org
https://studio.code.org/course...New window External Subdomain Kurse von Code
https://www.digitec.ch/de/s1/p...New window External Subdomain jimu Roboter bei digitec.ch
http://www.microbit.org/de/New window External Subdomain www.microbit.org
https://microbit.eeducation.at...New window External Subdomain Microbit-Schulbuch für Sekundarstufe 1
https://learninglab.tugraz.at/...New window External Subdomain Unterrichtsmaterial von der technischen Universitat Graz
https://www.schularena.com/ict...New window External Subdomain Aufgaben von der Schularena
/assets/materials/microbit/Ein...New window Einfache Microbit-Projekte von M.Friker
https://oxocard.ch/science/New window External oxocard.ch/science/
https://kids.hatchxr.com/New window External Subdomain kids.hatchxr
https://kids.hatchxr.com/tutor...New window External Subdomain Tutorials von Hatch XR
https://tobi.oetiker.ch/hp/New window External Subdomain Tobias Oetiker
https://rubymonstas.ch/New window External Rubymonstas Zürich

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.code4school.ch/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time is excellent with 0.33 seconds.
The file size of the HTML document is fine (157 kB).

HTTP Response Header

NameValue
serverGitHub.com
content-typetext/html; charset=utf-8
last-modifiedMon, 24 Jun 2024 18:03:50 GMT
access-control-allow-origin*
etagW/"6679b506-27215"
expiresMon, 04 Nov 2024 05:05:13 GMT
cache-controlmax-age=600
content-encodinggzip
x-proxy-cacheMISS
x-github-request-id9471:38AFB9:5BE6025:5E9E5E1:672853B1
accept-rangesbytes
dateMon, 04 Nov 2024 11:14:07 GMT
via1.1 varnish
age328
x-served-bycache-fra-eddf8230071-FRA
x-cacheHIT
x-cache-hits1
x-timerS1730718847.283366,VS0,VE1
varyAccept-Encoding
x-fastly-request-id9680aac35a27d0c04e2c7d83092926d34fe23029
content-length17160
statuscode200
http_versionHTTP/2

External factors

This page is very well linked from other websites.
This page has backlinks from 29 referring domains.
This page has 224 backlinks.
This page has backlinks from 23 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

Most important keywords

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

KeywordResultRecheck
Programmieren56%Check
Code56%Check
Programmieren lernen54%Check
lernen50%Check
Tools50%Check
so programmieren50%Check
Pocket Code50%Check
Pencil Code50%Check
App49%Check
Schule49%Check
Show more keywords and terms

Test up to 1.000 webpages of code4school.ch with our free plan!

Try For Free
No trial. It's just free!

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