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HTML5 Please - Use the new and shiny responsibly

 Generado el 18 Marzo 2026 16:31 PM

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Título

HTML5 Please - Use the new and shiny responsibly

Longitud : 48

Perfecto, tu título contiene entre 10 y 70 caracteres.

Descripción

Look up HTML5, CSS3, etc features, know if they are ready for use, and if so find out how you should use them – with polyfills, fallbacks or as they are.

Longitud : 153

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Titulos

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  • [H1] HTML5 Please
  • [H2] Use the new and shiny responsibly. Look up HTML5, CSS3, etc features, know if they are ready for use, and if so find out how you should use them – with polyfills, fallbacks or as they are. tell me more When Can I Use tells you the browser support story, while Modernizr gives you the power of feature detection. HTML5 Please helps you out with recommendations for polyfills and implementation so you can decide if and how to put each of these features to use. The recommendations below represent the collective knowledge of developers who have been deep in the HTML5 trenches. We hope they serve you well. Read Divya's backstory about this site.
  • [H2] Explore features
  • [H2] <audio>
  • [H2] background-image options
  • [H2] border-image
  • [H2] border-radius
  • [H2] box-reflection
  • [H2] box-shadow
  • [H2] box-sizing
  • [H2] calc()
  • [H2] <canvas>
  • [H2] classList
  • [H2] ContentEditable
  • [H2] CORS
  • [H2] CSS Animations
  • [H2] css filters
  • [H2] css3 colors
  • [H2] <datalist>
  • [H2] dataset
  • [H2] <details> & <summary>
  • [H2] <dialog>
  • [H2] DOM
  • [H2] drag n drop
  • [H2] ECMAScript 6 (and above)
  • [H2] EventSource (Server-Sent Events)
  • [H2] exclusions
  • [H2] Fetch API
  • [H2] File API
  • [H2] FileSystem & FileWriter API
  • [H2] fit-content
  • [H2] flexbox
  • [H2] @font-face
  • [H2] font-feature-settings
  • [H2] form validation
  • [H2] FormData API
  • [H2] fullscreen
  • [H2] geolocation
  • [H2] gradients
  • [H2] grids
  • [H2] history
  • [H2] HTML5 elements
  • [H2] hyphens
  • [H2] iframe[sandbox]
  • [H2] iframe[seamless]
  • [H2] iframe[srcdoc]
  • [H2] img[srcset]
  • [H2] IndexedDB
  • [H2] <input type=color>
  • [H2] <input type=date>
  • [H2] <input type=number>
  • [H2] <input type=range>
  • [H2] <input type=search>
  • [H2] input[placeholder]
  • [H2] Interaction media features
  • [H2] JSON
  • [H2] localStorage
  • [H2] masks
  • [H2] matchMedia
  • [H2] media queries
  • [H2] <menu>
  • [H2] <meter>
  • [H2] Microdata DOM API
  • [H2] multicolumn
  • [H2] multiple backgrounds
  • [H2] offline
  • [H2] ol[reversed]
  • [H2] opacity
  • [H2] paged media
  • [H2] <picture>
  • [H2] pointer events
  • [H2] position:fixed
  • [H2] position:sticky
  • [H2] postMessage
  • [H2] <progress>
  • [H2] pseudo elements
  • [H2] regions
  • [H2] rem unit
  • [H2] requestAnimationFrame
  • [H2] <ruby>
  • [H2] selectors
  • [H2] style[scoped]
  • [H2] @supports
  • [H2] <svg>
  • [H2] text-overflow
  • [H2] text-shadow
  • [H2] text-stroke
  • [H2] <track>
  • [H2] transforms
  • [H2] transitions
  • [H2] Vibration
  • [H2] <video>
  • [H2] Viewport units (vh, vw, vmin, vmax)
  • [H2] Web Components
  • [H2] Web Workers
  • [H2] WebGL
  • [H2] WebP
  • [H2] WebSockets
  • [H2] WebSQL DB
  • [H2] No items met your search =(
  • [H3] use with polyfill
  • [H3] use with fallback
  • [H3] use with fallback
  • [H3] use
  • [H3] avoid
  • [H3] use
  • [H3] use
  • [H3] use with fallback
  • [H3] use with polyfill
  • [H3] use with polyfill
  • [H3] use
  • [H3] use with polyfill
  • [H3] use
  • [H3] caution
  • [H3] use with fallback
  • [H3] use with polyfill
  • [H3] use with fallback
  • [H3] use with polyfill
  • [H3] caution with polyfill
  • [H3] caution with polyfill
  • [H3] caution with polyfill
  • [H3] use with polyfill
  • [H3] use with polyfill
  • [H3] avoid
  • [H3] use with polyfill
  • [H3] use with polyfill
  • [H3] avoid with polyfill
  • [H3] avoid
  • [H3] use
  • [H3] use
  • [H3] use
  • [H3] use with polyfill
  • [H3] caution
  • [H3] caution with fallback
  • [H3] use with fallback
  • [H3] use with fallback
  • [H3] caution
  • [H3] use with fallback
  • [H3] use with polyfill
  • [H3] use
  • [H3] use
  • [H3] avoid
  • [H3] use with polyfill
  • [H3] use with fallback
  • [H3] caution with fallback
  • [H3] caution with polyfill
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  • [H3] use with polyfill
  • [H3] use
  • [H3] use
  • [H3] use
  • [H3] caution with polyfill
  • [H3] use with polyfill
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  • [H3] caution
  • [H3] use with polyfill
  • [H3] use
  • [H3] use with polyfill
  • [H3] use with polyfill
  • [H3] use with polyfill
  • [H3] use
  • [H3] use with fallback
  • [H3] caution with fallback
  • [H3] use with polyfill
  • [H3] use
  • [H3] avoid
  • [H3] use with fallback
  • [H3] use with fallback
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  • [H3] use with fallback
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  • [H3] avoid
  • [H4] html
  • [H4] css
  • [H4] css
  • [H4] css
  • [H4] css
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  • [H4] css
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  • [H4] When you sunset IE8 support, you can use:
  • [H4] css
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Palabras Clave SEO

Nube de Palabras Clave

Consistencia de las Palabras Clave

Palabra Clave (Keyword) Contenido Título Palabras Claves (Keywords) Descripción Titulos

Usabilidad

Url

Dominio : html5please.com

Longitud : 15

Favicon

Genial, tu web tiene un favicon.

Imprimibilidad

No hemos encontrado una hoja de estilos CSS para impresión.

Idioma

Genial. Has declarado el idioma en.

Dublin Core

Esta página no usa Dublin Core.

Documento

Tipo de documento (Doctype)

HTML 5

Codificación

Perfecto. Has declarado como codificación UTF-8.

Validez W3C

Errores : 0

Avisos : 0

Privacidad de los Emails

Genial. No hay ninguna dirección de email como texto plano!

HTML obsoleto

Genial, no hemos detectado ninguna etiqueta HTML obsoleta.

Consejos de Velocidad

Excelente, esta web no usa tablas.
Perfecto. No se han declaro estilos embenidos (inline CSS) en tus etiquetas HTML!
Genial, tu página web usa muy pocos ficheros CSS.
Perfecto, tu web usa pocos ficheros JavaScript.
Su sitio web se beneficia del tipo de compresión gzip. ¡Perfecto!

Movil

Optimización Móvil

Icono para Apple
Etiqueta Meta Viewport
Contenido Flash

Optimización

Mapa del sitio XML

No disponible

Su sitio web no tiene un mapa del sitio XML. Esto puede traerle problemas.

Un mapa del sitio enumera las URL que pueden rastrearse y puede incluir información adicional, como las últimas actualizaciones de su sitio web, la frecuencia de cambios y la importancia de las URL. Esto permite a los motores de búsqueda rastrear el sitio web de una forma más exhaustiva.

Robots.txt

https://html5please.com/robots.txt

¡Estupendo! Su sitio web tiene un archivo robots.txt.

Herramientas de Analítica

¡Perfecto! Su sitio web tiene una herramienta de análisis.

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