I tag <meta> nell'intestazione HTML forniscono metadati essenziali per motori di ricerca, social network e dispositivi mobili.
Tag Meta Essenziali per SEO e Configurazione
<!-- Character Encoding -->
<meta charset="UTF-8" />
<!-- Responsive Viewport -->
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<!-- SEO Meta Description -->
<meta name="description" content="Una guida completa per i tag meta in HTML: metadati SEO, viewport responsive, Open Graph (Facebook), Twitter Cards e icone per PWA." />
<!-- Search Engine Indexing Directives -->
<meta name="robots" content="index, follow" />
<!-- Canonical URL -->
<link rel="canonical" href="https://example.com/page" />
Protocollo Open Graph (Facebook, LinkedIn)
<meta property="og:type" content="article" />
<meta property="og:site_name" content="SiteName" />
<meta property="og:title" content="Cheat Sheet Tag Meta e Anteprime Social in HTML" />
<meta property="og:description" content="Una guida completa per i tag meta in HTML: metadati SEO, viewport responsive, Open Graph (Facebook), Twitter Cards e icone per PWA." />
<meta property="og:url" content="https://example.com/page" />
<meta property="og:image" content="https://example.com/images/cover.jpg" />
<meta property="og:image:width" content="1200" />
<meta property="og:image:height" content="630" />
Estensioni per Articoli di Blog
<meta property="article:published_time" content="2026-11-08T00:00:00+08:00" />
<meta property="article:author" content="https://example.com/author" />
<meta property="article:tag" content="Technology" />
Schede Twitter / X Cards
<meta name="twitter:card" content="summary_large_image" />
<meta name="twitter:site" content="@MyBrand" />
<meta name="twitter:creator" content="@AuthorHandle" />
<meta name="twitter:title" content="Cheat Sheet Tag Meta e Anteprime Social in HTML" />
<meta name="twitter:description" content="Una guida completa per i tag meta in HTML: metadati SEO, viewport responsive, Open Graph (Facebook), Twitter Cards e icone per PWA." />
<meta name="twitter:image" content="https://example.com/images/card.jpg" />
Progressive Web App (PWA) e Icone Mobile
<!-- Colore del tema per la barra del browser -->
<meta name="theme-color" content="#1a73e8" />
<!-- Manifest dell'applicazione web -->
<link rel="manifest" href="/manifest.json" />
<!-- Icona Apple Touch -->
<link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png" />
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />
<!-- Favicon standard -->
<link rel="icon" type="image/svg+xml" href="/favicon.svg" />