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HTML

Sébastien Merour
publié le 13/06/2020 à 15h46 | modifé le 13/06/2020 à 19h00
Catégorie : LangagesCommentaires (8462)
HTML
Description

HTML signifie : Hypertext Markup Language

Le langage HTML est constitué :

- de balises (tags en anglais)

- d'attributs (attributes)

- d'éléments (ce qui se trouve entre la balise ouvrante < et la balise fermante >).

Structure d'une page Web

Une page HTML est constituée au minimum :

- du doctype (pour indiquer au navigateur que le document est de type HTML)

- des balises qui elles-mêmen renferment 2 autres balises : et : ces 3 balises  sont les balises de premier niveau.

La section Head

La balise head renferme plusieurs balises qui sont interprétées par le navigateur, mais dont le contenu n'est pas affiché sur la page.

La section Head contient de nombreuses balises, parmi lesquelles nous trouvons : l'encodage de la page (le plus souvent UTF-8), le titre de la page (balise title) . On y trouve également des balises meta, des liens vers des feuilles de style CSS, et parfois des scripts en Javascript.

Les différentes balises meta et title jouent un rôle primordial pour le référencement.

La section Body

Elle contient au contraire tout ce qui sera affiché sur la page web dans le navigateur. Il existe de nombreux types de balises :

- les balises sectionnantes (permettant de diviser la page en plusieurs sections, comme header, nav, section, footer, article. Elles sont primordiales car elles donnent des indicationx aux moteurs de recherche qui parcourent les pages web).

- les balises de structuration du texte (comme les headings, les blockquotes, les paragraphes)

- les balises de listes (numérotées ou non)

- les balises de tableau (désormais déconseillées pour construire une page web, mais parfois très utiles pour construire le template d'une newsletter)

- les balises de formulaire (form, input, textarea...)

- les balises génériques (div, span...)

Mode d'affichage des éléments HTML

Il existe également une autre façon de distinguer certains types de balises.

On parle parfois en effet de :

- balises "inline" qui permettent de définir l'affichage d'un élément sans retour à la ligne. Parmi les balises inline, nous avons par exemple les balises  span, a, strong, img ...

- balises "blocks": elles occupent toute la largeur disponibles. Lorsque 2 éléments de type "blocks" se suivent, ils sont disposés par défaut l'un en dessous de l'autre. Nous avons par exemple les balises div, h1, p, ul, form, table, blockquote.

-de balises "invisibles" : elles ne s'affichent pas sur la page, comme par exemple la balise meta, inclue dans la partie head de la page.

Fonctionnalités
HTML permet d'écrire de l'hypertexte. Il permet de structurer sémantiquement et logiquement le contenu des pages web, mais aussi d'inclure des éléments multimédia tels que des images ou des vidéos.
Année de création
1992
Créateur
Web Hypertext Application Technology Working Group
Dernière version
5.2
Langage
HTML
Liens
Aux dernières nouvelles
Actuellement, la dernière version du HTML est le HTML 5. Mais les membres du groupe de travail du W3C veulent créer un HTML Living Standard, une version du HTML qui n'aurait pas de numéro de version. Ainsi le HTML serait en constante évolution.

8462 Commentaire(s)
  1. user
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    14/06/2026 à 22h57  commentaire modifé
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  2. user
    luxury car rental miami_gzPi
    14/06/2026 à 22h56  commentaire modifé
    I've got the scars to prove it, the rental landscape down here is crazy. You find this amazing deal online: brand new Beamer, unlimited miles, price that makes you smile. Plus they freeze a surprise $2500 on your card for a week right before giving you the keys. Eight years in South Florida and these clowns still almost get me. If you are trying to find a legitimate luxury fleet without getting ripped off, do some real digging first and read actual customer reviews. Anyone who's waited for an Uber in August understands exactly what I mean about this city, especially since the AC must be arctic cold and unlimited miles non-negotiable. Most of these local agencies are just shiny websites hiding the same beat-up fleet with fake reviews, until I finally found one outfit that doesn't play stupid games. If you are looking for the only honest source for premium wheels across South Florida, check the current details here: mia luxury car rental mia luxury car rental. Yeah, parking in South Beach will cost you a nice bottle of wine — but that's the Miami tax. Anyway, glad there's at least one straight operator left in this rental circus, let me know if you guys have any other clean spots.

  3. user
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    14/06/2026 à 22h55  commentaire modifé
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  4. user
    luxury car rental miami_jyPi
    14/06/2026 à 22h54  commentaire modifé
    Let me save you some serious time, learned this the hard way. You find this amazing deal online: brand new Beamer, unlimited miles, price that makes you smile. Plus they freeze a surprise $2500 on your card for a week right before giving you the keys. Fool me eight times? That's just another Tuesday in the 305, lesson learned. If you are trying to find a legitimate luxury fleet without getting ripped off, run far from the airport counters. Miami without decent wheels is basically a hostage situation, especially since the AC must be arctic cold and unlimited miles non-negotiable. Most of these local agencies are just shiny websites hiding the same beat-up fleet with fake reviews, but I eventually found a service where what you book is exactly what shows up, no surprises, no fine print nightmares. If you are looking for the only honest source for premium wheels across South Florida, check the current details here: car hire miami beach florida car hire miami beach florida. Also, definitely bring serious shades unless you enjoy driving straight into the sun like a zombie every single evening. Anyway, glad there's at least one straight operator left in this rental circus, let me know if you guys have any other clean spots.

  5. user
    luxury car rental miami_kgPl
    14/06/2026 à 22h53  commentaire modifé
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