HTML-Spickzettel
Eine durchsuchbare, druckbare HTML5-Referenz: Dokumentgerüst, semantische Tags, Links, Medien, Tabellen, Formulare, Attribute und Entities. Kostenlos.
Document skeleton & metadata
13<!DOCTYPE html>
HTML5 doctype, first line of the page
<html lang="en">
Root element; lang aids a11y and SEO
<meta charset="utf-8">
Character encoding, first in <head>
<meta name="viewport" content="width=device-width, initial-scale=1">
Required for responsive layouts
<title>Page title</title>
Tab label and search result title
<meta name="description" content="...">
Search snippet text (~150 chars)
<link rel="stylesheet" href="app.css">
Attach an external stylesheet
<script src="app.js" defer></script>
Load JS without blocking parsing
<link rel="icon" href="favicon.svg">
Favicon for the browser tab
<link rel="canonical" href="https://ex.com/page">
Preferred URL for duplicate pages
<meta property="og:title" content="...">
Open Graph: social share title
<meta property="og:image" content="...">
Social share preview image
<meta name="robots" content="noindex">
Keep the page out of search engines
Text content
14<h1>...</h1> to <h6>
Headings; one h1 per page is typical
<p>...</p>
Paragraph of text
<br> / <hr>
Line break / thematic divider
<strong> vs <b>
Importance vs purely visual bold
<em> vs <i>
Emphasis vs alternate-voice italics
<mark>highlight</mark>
Highlighted / relevant text
<small> / <s>
Fine print / no-longer-accurate text
<blockquote cite="url">
Long quotation from another source
<q>inline quote</q>
Short quote; browser adds quotes
<pre><code>...</code></pre>
Preformatted block of code
<abbr title="HyperText...">HTML</abbr>
Abbreviation with expansion tooltip
<time datetime="2026-07-27">
Machine-readable date or time
<sub> / <sup>
Subscript / superscript
<kbd>Ctrl+C</kbd>
Keyboard input
Semantic layout
12<header>
Intro content: logo, title, nav
<nav>
Major navigation link blocks
<main>
Primary content; exactly ONE per page
<article>
Self-contained piece (post, card)
<section>
Thematic group, ideally with a heading
<aside>
Tangential content: sidebar, callout
<footer>
Footer of the page or a section
<figure><figcaption>
Media with its caption
<address>
Contact info for its nearest article
<article><h2>...</h2></article>
Sections get their own heading level
<div>
No meaning; last resort for styling
<span>
Inline, meaningless hook for CSS/JS
Links & navigation
11<a href="https://example.com">
Basic hyperlink
<a href="#pricing">
Jump to the element with that id
<a href="mailto:hi@example.com">
Open the default mail client
<a href="tel:+1234567890">
Click-to-call phone link
target="_blank"
Open in a new tab
rel="noopener noreferrer"
Pair with _blank for safety/privacy
rel="nofollow"
Tell crawlers not to endorse the link
<a href="file.pdf" download>
Download instead of navigating
download="report-2026.pdf"
Suggest a filename for the download
<nav><ul><li><a>...</a></li></ul></nav>
Conventional site menu markup
<a href="#main" class="skip-link">
Skip-to-content link for keyboards
Images & media
12<img src="cat.jpg" alt="A sleeping cat">
alt is required; empty for decorative
<img ... width="800" height="600">
Reserve space, avoid layout shift
loading="lazy"
Defer offscreen images/iframes
decoding="async"
Decode off the main thread
srcset="s.jpg 480w, l.jpg 1024w" sizes="100vw"
Responsive image candidates
<picture><source type="image/webp" ...><img ...></picture>
Format/art-direction fallback
<video src="clip.mp4" controls poster="cover.jpg">
Video player with preview image
<video autoplay muted loop playsinline>
Background video that autoplays
<audio src="talk.mp3" controls>
Audio player
<source src="v.webm" type="video/webm">
Multiple formats inside video/audio
<track kind="captions" src="en.vtt" srclang="en">
Captions/subtitles for video
<figure><img ...><figcaption>...</figcaption></figure>
Captioned image
Lists & tables
11<ul><li>...</li></ul>
Unordered (bulleted) list
<ol><li>...</li></ol>
Ordered (numbered) list
<ol start="5" reversed>
Custom start / count down
<ol type="a">
Numbering style: 1, a, A, i, I
<dl><dt>Term</dt><dd>Definition</dd></dl>
Description (key-value) list
<table><thead><tbody><tfoot>
Table with semantic row groups
<caption>Sales 2026</caption>
Accessible table title
<th scope="col"> / scope="row"
Header cells tied to col or row
<td colspan="2"> / rowspan="2">
Cell spanning columns / rows
<colgroup><col span="2" class="wide">
Style whole columns at once
Nested list: <li>...<ul>...</ul></li>
Sub-list goes INSIDE the li
Forms: input types
14<input type="text">
Single-line text (the default)
<input type="email">
Validates format; email keyboard
<input type="password">
Masked input
<input type="number" min="0" step="1">
Numeric with spinner
<input type="tel"> / type="url">
Phone / URL with fitting keyboards
<input type="search">
Search field with clear button
<input type="date"> / "time" / "datetime-local"
Native date and time pickers
<input type="color">
Native color picker
<input type="range" min="0" max="100">
Slider control
<input type="file" accept="image/*" multiple>
File upload with type filter
<input type="checkbox" checked>
On/off toggle
<input type="radio" name="plan">
Same name = one choice per group
<input type="hidden" name="token">
Submitted but not displayed
<input type="submit"> / <button>
Submit the surrounding form
Forms: structure & validation
15<form action="/save" method="post">
Where and how the data is sent
<label for="email">
Ties the label to input id="email"
<label>Email <input ...></label>
Wrapping works without for/id
name="email"
The key used in the submitted data
required
Blocks submit while empty
pattern="[0-9]{4}"
Regex the value must fully match
minlength / maxlength
Text length constraints
min / max / step
Constraints for numbers and dates
placeholder="you@example.com"
Hint text; NOT a label substitute
autocomplete="email"
Help browsers autofill correctly
<select><optgroup><option>
Dropdown with grouped options
<textarea rows="4" name="msg">
Multi-line text input
<fieldset><legend>Shipping</legend>
Group related fields with a title
<input list="fruits"><datalist id="fruits">
Text input with suggestions
<form novalidate>
Skip built-in validation on submit
Interactive elements
13<details><summary>More</summary>...</details>
Native disclosure, no JS needed
<details open>
Expanded by default
<details name="faq">
Same name = exclusive accordion
<dialog id="dlg">...</dialog>
Native modal/dialog element
dlg.showModal() / dlg.close()
Open as modal with backdrop / close
<form method="dialog">
Submit closes the parent dialog
::backdrop
Style the dimmed area behind a modal
<div popover id="tip">...</div>
Top-layer popover, light-dismiss
<button popovertarget="tip">
Toggle a popover without JS
<progress value="70" max="100">
Task progress bar
<meter value="0.6" low="0.3" high="0.8">
Gauge within a known range
<output for="a b">
Result of a calculation in a form
<button type="button">
Button that does NOT submit forms
Embedded content
11<iframe src="https://ex.com" title="Map">
Embed a page; title is required a11y
<iframe sandbox="allow-scripts">
Restrict what the frame may do
<iframe allow="fullscreen; autoplay">
Grant specific feature permissions
<iframe loading="lazy">
Defer offscreen embeds (maps, videos)
<canvas id="chart" width="600" height="300">
Scriptable bitmap drawing surface
canvas.getContext('2d')
Get the 2D drawing API
<svg viewBox="0 0 100 100">...</svg>
Inline vector graphics, CSS-stylable
<svg><use href="#icon-x"/></svg>
Reuse a defined SVG symbol
<object data="doc.pdf" type="application/pdf">
Embed a PDF or other resource
<embed src="file.svg">
Legacy embed for plugin content
<noscript>...</noscript>
Fallback when JS is disabled
Global attributes
14id="unique-name"
Unique hook for CSS, JS, anchors
class="card featured"
Space-separated style hooks
data-user-id="42"
Custom data; el.dataset.userId in JS
title="Tooltip text"
Hover tooltip (not touch-friendly)
hidden
Remove from display and a11y tree
tabindex="0" / "-1"
Make focusable / focus via JS only
contenteditable="true"
Let users edit the element inline
spellcheck="false"
Disable spell checking
lang="fr" / dir="rtl"
Per-element language and direction
draggable="true"
Enable native drag and drop
inert
Block focus and clicks on a subtree
aria-label="Close"
Accessible name for icon buttons
aria-hidden="true"
Hide decorative bits from readers
role="alert"
ARIA role when no semantic tag fits
Entities & special characters
12&
&: must be escaped in HTML
< / >
< and >: escape to show tags as text
" / '
Double / single quote in attributes
Non-breaking space (no line wrap)
© / ® / ™
Copyright, registered, trademark
: / –
Em dash: and en dash –
…
Ellipsis …
→ / ←
Right / left arrows
× / ÷
Multiplication and division signs
€ / £ / ¥
Currency symbols
👍
Any Unicode char by decimal code
<meta charset="utf-8"> first
With UTF-8, most chars need no entity
Kein Eintrag passt zu „:q“.
Über HTML-Spickzettel
Dieses HTML-Cheat-Sheet bringt das gesamte Tag-Vokabular auf eine durchsuchbare Seite: das Dokumentgerüst und Metadaten, Textinhalte, semantisches Layout, Links und Navigation, Bilder und Medien, Listen und Tabellen, Formular-Eingabetypen, Formularstruktur und Validierung, interaktive Elemente, eingebettete Inhalte, globale Attribute sowie Entities und Sonderzeichen.
It is as useful for the details as for the tags: which input type to use for a date or a colour, the required and pattern validation attributes, the semantic difference between article, section and aside, or the entity code for a non-breaking space and a curly quote.
Das Sheet ist kostenlos und clientseitig: Filtern Sie Zeilen live mit dem Suchfeld, springen Sie mit dem fixierten Inhaltsverzeichnis zwischen Abschnitten, kopieren Sie jeden Codeausschnitt mit einem Klick und drucken Sie die Seite als Referenz für Ihren Schreibtisch.
So verwenden Sie HTML-Spickzettel
- Überfliegen Sie die Abschnitte, vom Dokumentgerüst & Metadaten und semantischem Layout über Formulare bis zu Entities.
- Suchen Sie nach einem Tag oder Attribut wie picture, aria-label oder required, um alle Zeilen live zu filtern.
- Springen Sie zu Formulare: Eingabetypen, wenn Sie das richtige Steuerelement für ein Feld benötigen.
- Klicken Sie auf einen Codeausschnitt oder sein Kopiersymbol, um das HTML in Ihre Zwischenablage zu kopieren.
- Drucken Sie das Sheet für eine Offline-HTML-Referenz.
Häufig gestellte Fragen
Zwölf Abschnitte: Dokumentgerüst und Metadaten, Textinhalte, semantisches Layout, Links und Navigation, Bilder und Medien, Listen und Tabellen, Formular-Eingabetypen, Formularstruktur und Validierung, interaktive Elemente, eingebettete Inhalte, globale Attribute sowie Entities und Sonderzeichen.
Ja. Es ist um modernes HTML5 herum aufgebaut: semantische Sektionierungselemente, die vollständige Palette der Eingabetypen, native Validierungsattribute, picture und video, details und dialog.
Zwei Abschnitte tun das: Einer listet jeden Eingabetyp mit seinem Zweck auf, der andere behandelt Labels, Fieldsets, required, pattern, min und max sowie den Rest der nativen Validierung.
Ja. Klicken Sie auf einen beliebigen Codeausschnitt oder sein Kopiersymbol beim Hover, und er landet mit einer kurzen Bestätigung in Ihrer Zwischenablage.
Ja, vollständig kostenlos: durchsuchbar, druckbar und ohne Anmeldung in Ihrem Browser dargestellt.
Beliebte Suchen
html cheat sheet
html tags liste
html5 semantische tags
html formular eingabetypen
html tabellen syntax
html entities liste
html attribute referenz
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