w3schools.com

Evaluation du site w3schools.com

 Généré le 21 Octobre 2022 15:25

Vieilles statistiques? UPDATE !

Le score est de 53/100





Optimisation du contenu

Titre

W3Schools Online Web Tutorials

Longueur : 30

Idéalement, votre titre devrait contenir entre 40 et 70 caractères (espaces compris). Utilisez cet outil gratuit pour calculer la longueur du texte.

Description

Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.

Longueur : 168

Idéalement, votre balise META description devrait contenir entre 90 et 160 caractères (espaces compris). Utilisez cet outil gratuit pour calculer la longueur du texte.

Mots-clefs

HTML, Python, CSS, SQL, JavaScript, How to, PHP, Java, C, C++, C#, jQuery, Bootstrap, Colors, W3.CSS, XML, MySQL, Icons, Node.js, React, Graphics, Angular, R, AI, Git, Data Science, Code Game, Tutorials, Programming, Web Development, Training, Learning, Quiz, Exercises, Courses, Lessons, References, Examples, Learn to code, Source code, Demos, Tips, Website

Bien, votre page contient une balise META keywords.

Propriétés Open Graph

Bien, cette page profite des balises META Open Graph.

Propriété Contenu
image https://www.w3schools.com/images/w3schools_logo_436_2.png
image:type image/png
image:width 436
image:height 228
title W3Schools Free Online Web Tutorials
description W3Schools offers free online tutorials, references and exercises in all the major languages of the web. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more.

Niveaux de titre

H1 H2 H3 H4 H5 H6
10 53 27 6 6 1
  • [H1] Learn to Code
  • [H1] HTML
  • [H1] CSS
  • [H1] JavaScript
  • [H1] Python
  • [H1] SQL
  • [H1] Code Editor
  • [H1] W3Schools Spaces
  • [H1] Color Picker
  • [H1] Code Game
  • [H2] Tutorials
  • [H2] References
  • [H2] Exercises and Quizzes
  • [H2] PHP
  • [H2] jQuery
  • [H2] Java
  • [H2] C++
  • [H2] W3.CSS
  • [H2] Bootstrap
  • [H2] C
  • [H2] C#
  • [H2] R
  • [H2] Kotlin
  • [H2] Node.js
  • [H2] React
  • [H2] JSON
  • [H2] AngularJS
  • [H2] MySQL
  • [H2] W3.JS
  • [H2] XML
  • [H2] Sass
  • [H2] Icons
  • [H2] RWD
  • [H2] Graphics
  • [H2] SVG
  • [H2] Canvas
  • [H2] Raspberry Pi
  • [H2] Cyber Security
  • [H2] Colors
  • [H2] Git
  • [H2] Matplotlib
  • [H2] NumPy
  • [H2] Pandas
  • [H2] SciPy
  • [H2] ASP
  • [H2] Accessibility
  • [H2] AppML
  • [H2] Go
  • [H2] TypeScript
  • [H2] Django
  • [H2] MongoDB
  • [H2] Statistics
  • [H2] Data Science
  • [H2] Typing Speed
  • [H2] Excel
  • [H2] Google Sheets
  • [H2] Machine Learning
  • [H2] Artificial Intelligence
  • [H2] Help the Lynx collect pine cones!
  • [H2] Exercises and Quizzes
  • [H2] Web Templates
  • [H2] Kickstart your career
  • [H2] How To Section
  • [H3] HTML and CSS
  • [H3] Data Analytics
  • [H3] XML Tutorials
  • [H3] JavaScript
  • [H3] Programming
  • [H3] Server Side
  • [H3] Web Building
  • [H3] Data Analytics
  • [H3] XML Tutorials
  • [H3] HTML
  • [H3] CSS
  • [H3] JavaScript
  • [H3] Programming
  • [H3] Server Side
  • [H3] XML
  • [H3] Character Sets
  • [H3] Exercises
  • [H3] Quizzes
  • [H3] Courses
  • [H3] Certificates
  • [H3] With the world's largest web developer site.
  • [H3] HTML Example:
  • [H3] CSS Example:
  • [H3] JavaScript Example:
  • [H3] Python Example:
  • [H3] SQL Example:
  • [H3] Build your own website with W3Schools Spaces.
  • [H4] Not Sure Where To Begin?
  • [H4] With our online code editor, you can edit code and view the result in your browser
  • [H4] W3Schools' famous color picker
  • [H4] Test your skills!
  • [H4] Browse our selection of free responsive HTML Templates
  • [H4] Code snippets for HTML, CSS and JavaScript
  • [H5] A web server programming language
  • [H5] A JS library for developing web pages
  • [H5] A programming language
  • [H5] A programming language
  • [H5] A CSS framework for faster and better responsive web pages
  • [H5] A CSS framework for designing better web pages
  • [H6] For example, how to create a slideshow:

Images

Nous avons trouvé 6 image(s) sur cette page Web.

1 attribut(s) alt sont vides ou manquants. Ajouter un texte alternatif permet aux moteurs de recherche de mieux comprendre le contenu de vos images.

Ratio texte/HTML

Ratio : 9%

le ratio de cette page texte/HTML est au-dessous de 20 pour cent, ce qui signifie que votre site manque de contenu textuel.

Flash

Parfait, aucun contenu FLASH n'a été détecté sur cette page.

Iframe

Dommage, vous avez des Iframes sur vos pages Web, cela signifie que son contenu ne peut pas être indexé par les moteurs de recherche.

Réécriture d'URLs

Bien. Vos liens sont optimisés!

Tiret bas dans les URLs

Nous avons détectés des soulignements dans vos URLs. Vous devriez plutôt utiliser des tirets pour optimiser votre référencement.

Liens dans la page

Nous avons trouvé un total de 231 lien(s) dont 0 lien(s) vers des fichiers

Texte d'ancre Type Juice
Videos Interne Passing Juice
Log in Interne Passing Juice
Paid Courses Interne Passing Juice
Free Website Interne Passing Juice
Pro Interne Passing Juice
× Externe Passing Juice
Get Certified Interne Passing Juice
Learn HTML Interne Passing Juice
Learn CSS Interne Passing Juice
Learn RWD Interne Passing Juice
Learn Bootstrap Interne Passing Juice
Learn W3.CSS Interne Passing Juice
Learn Colors Interne Passing Juice
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Learn Graphics Interne Passing Juice
Learn SVG Interne Passing Juice
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Learn JSON Interne Passing Juice
Learn AJAX Interne Passing Juice
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Learn Go Interne Passing Juice
Learn Django Interne Passing Juice
Learn TypeScript Interne Passing Juice
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Where To Start Interne Passing Juice
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Code Editor Interne Passing Juice
Test Your Typing Speed Interne Passing Juice
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CSS Selector Reference Interne Passing Juice
Bootstrap 3 Reference Interne Passing Juice
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Icon Reference Interne Passing Juice
Sass Reference Interne Passing Juice
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XML Http Reference Interne Passing Juice
XSLT Reference Interne Passing Juice
XML Schema Reference Interne Passing Juice
HTML Character Sets Interne Passing Juice
HTML ASCII Interne Passing Juice
HTML ANSI Interne Passing Juice
HTML ISO-8859-1 Interne Passing Juice
HTML Symbols Interne Passing Juice
HTML UTF-8 Interne Passing Juice
Exercises Interne Passing Juice
HTML Exercises Interne Passing Juice
CSS Exercises Interne Passing Juice
JavaScript Exercises Interne Passing Juice
Python Exercises Interne Passing Juice
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Excel Exercises Interne Passing Juice
R Exercises Interne Passing Juice
Git Exercises Interne Passing Juice
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Quizzes Interne Passing Juice
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Git Quiz Interne Passing Juice
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HTML Course Interne Passing Juice
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Front End Course Interne Passing Juice
Python Course Interne Passing Juice
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Java Course Interne Passing Juice
C++ Course Interne Passing Juice
C# Course Interne Passing Juice
jQuery Course Interne Passing Juice
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Certificates Interne Passing Juice
HTML Certificate Interne Passing Juice
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JavaScript Certificate Interne Passing Juice
Front End Certificate Interne Passing Juice
Python Certificate Interne Passing Juice
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Java Certificate Interne Passing Juice
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Not Sure Where To Begin? Interne Passing Juice
Get Certified Interne Passing Juice
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Get Certified Interne Passing Juice
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Get Certified Interne Passing Juice
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Get Certified Interne Passing Juice
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Try it Yourself (HTML/CSS/JS) Interne Passing Juice
Try it Yourself (Python/PHP/Java etc.) Interne Passing Juice
Try Frontend Editor (HTML/CSS/JS) Interne Passing Juice
Get Started for Free Interne Passing Juice
SUPPORT Interne Passing Juice
FORUM Interne Passing Juice
ABOUT Interne Passing Juice
terms of use Interne Passing Juice
cookie and privacy policy Interne Passing Juice
" + cc + " Interne Passing Juice
Search W3Schools Interne Passing Juice

Mots-clefs

Nuage de mots-clefs

certificate      html      css      xml      exercises      course      learn      quiz      bootstrap      reference     

Cohérence des mots-clefs

Mot-clef Contenu Titre Mots-clefs Description Niveaux de titre
learn 76
exercises 34
reference 30
quiz 26
html 24

Ergonomie

Url

Domaine : w3schools.com

Longueur : 13

Favicon

Génial, votre site web dispose d'un favicon.

Imprimabilité

Aucun style CSS pour optimiser l'impression n'a pu être trouvé.

Langue

Bien. Votre langue est : en.

Dublin Core

Cette page ne profite pas des métadonnées Dublin Core.

Document

Doctype

HTML 5

Encodage

Parfait. Votre charset est UTF-8.

Validité W3C

Erreurs : 6

Avertissements : 3

E-mail confidentialité

Génial, aucune adresse e-mail n'a été trouvé sous forme de texte!

HTML obsolètes

Génial! Nous n'avons pas trouvé de balises HTML obsolètes dans votre code.

Astuces vitesse

Excellent, votre site n'utilise pas de tableaux imbriqués.
Mauvais, votre site web utilise des styles css inline.
Génial, votre site web contient peu de fichiers CSS.
Mauvais, votre site web contient trop de fichiers javascript (plus de 6).
Parfait : votre site tire parti de gzip.

Mobile

Optimisation mobile

Icône Apple
Méta tags viewport
Contenu FLASH

Optimisation

Sitemap XML

Manquant

Votre site web ne dispose pas d’une sitemap XML, ce qui peut poser problème.

La sitemap recense les URLs que les moteurs de recherche peuvent indexer, tout en proposant d’éventuelles informations supplémentaires (comme la date de dernière mise à jour, la fréquence des changements, ainsi que leur niveau d’importance). Ceci permet aux moteurs de recherche de parcourir le site de façon plus efficace.

Robots.txt

http://w3schools.com/robots.txt

Votre site dispose d’un fichier robots.txt, ce qui est optimal.

Mesures d'audience

Votre site web dispose d’une outil d'analytics, ce qui est optimal.

   Google Analytics

PageSpeed Insights

Dispositif
Les catégories

Website Review

Website Review est un outil gratuit de référencement qui vous aidera à analyser vos pages web