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Come combinare le estensioni Sitemap
Le estensioni Sitemap sono un ottimo modo per comunicare a Google i diversi tipi di contenuti e i relativi metadati che utilizzi sul tuo sito. Spesso i contenuti sulle pagine possono essere inseriti in vari tipi di estensioni, ad esempio, potresti pubblicare articoli che incorporano immagini e video. Inoltre, è anche possibile che le pagine siano localizzate, il che potrebbe significare che potresti aggiungere annotazioni hreflang per le tue pagine localizzate.
Spazi dei nomi
Per ogni estensione Sitemap che vuoi utilizzare in una Sitemap devi specificare il rispettivo spazio dei nomi che dichiara i tag supportati dall'estensione, utilizzando l'attributo xmlns del tag urlset. Gli spazi dei nomi per le estensioni Sitemap supportate da Google sono:
Tag delle estensioni e relative definizioni di spazi dei nomi
Per dichiarare più spazi dei nomi, aggiungi i rispettivi riferimenti alla Sitemap come descritto nella documentazione delle relative estensioni. Ecco un esempio che mostra come aggiungere le estensioni per notizie, video e xhtml (per hreflang) a una Sitemap:
<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"
xmlns:news="http://www.google.com/schemas/sitemap-news/0.9"
xmlns:video="http://www.google.com/schemas/sitemap-video/1.1"
xmlns:xhtml="http://www.w3.org/1999/xhtml">
<url>
<!-- rest of the sitemap -->
Combinare le estensioni Sitemap
Dopo aver dichiarato gli spazi dei nomi, segui i dettagli per l'implementazione nella documentazione relativa all'estensione Sitemap che utilizzerai.
Per combinare le estensioni, aggiungi i tag dalle estensioni Sitemap utilizzate, uno dopo l'altro, al tag <url> appropriato, come descritto nella documentazione di ciascuna estensione Sitemap.
Ad esempio, per aggiungere estensioni per notizie, video e xhtml (hreflang) a una Sitemap:
<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"
xmlns:news="http://www.google.com/schemas/sitemap-news/0.9"
xmlns:video="http://www.google.com/schemas/sitemap-video/1.1"
xmlns:xhtml="http://www.w3.org/1999/xhtml">
<url>
<loc>https://www.example.com/english/page.html</loc>
<!-- Starting with the news extension tags -->
<news:news>
<news:publication>
<news:name>The Example Times</news:name>
<news:language>en</news:language>
</news:publication>
<news:publication_date>2008-12-23</news:publication_date>
<news:title>Companies A, B in Merger Talks</news:title>
</news:news>
<!-- Next we add video extension tags -->
<video:video>
<video:thumbnail_loc>https://www.example.com/thumbs/123.jpg</video:thumbnail_loc>
<video:title>Lizzi is painting the wall</video:title>
<video:description>
Gary is watching the paint dry on the wall Lizzi painted.
</video:description>
<video:player_loc>
https://player.example.com/video/987654321
</video:player_loc>
</video:video>
<!-- And finally the xhtml tags for hreflang -->
<xhtml:link
rel="alternate"
hreflang="de"
href="https://www.example.de/deutsch/page.html"/>
<xhtml:link
rel="alternate"
hreflang="de-ch"
href="https://www.example.de/schweiz-deutsch/page.html"/>
<xhtml:link
rel="alternate"
hreflang="en"
href="https://www.example.com/english/page.html"/>
</url>
<!-- Add more <url> tags -->
L'ordine dell'estensione nella Sitemap è irrilevante dopo il tag <loc>. Tieni presente le best practice generali per le Sitemap, in particolare i limiti relativi alle dimensioni dei file. La combinazione di estensioni Sitemap aumenta notevolmente le dimensioni dei file della Sitemap.
[[["Facile da capire","easyToUnderstand","thumb-up"],["Il problema è stato risolto","solvedMyProblem","thumb-up"],["Altra","otherUp","thumb-up"]],[["Mancano le informazioni di cui ho bisogno","missingTheInformationINeed","thumb-down"],["Troppo complicato/troppi passaggi","tooComplicatedTooManySteps","thumb-down"],["Obsoleti","outOfDate","thumb-down"],["Problema di traduzione","translationIssue","thumb-down"],["Problema relativo a esempi/codice","samplesCodeIssue","thumb-down"],["Altra","otherDown","thumb-down"]],["Ultimo aggiornamento 2025-08-04 UTC."],[[["\u003cp\u003eSitemap extensions inform Google about diverse content types and metadata on your site, such as images, videos, news, and localized versions.\u003c/p\u003e\n"],["\u003cp\u003eTo use sitemap extensions, declare their respective namespaces within the \u003ccode\u003eurlset\u003c/code\u003e tag of your sitemap file.\u003c/p\u003e\n"],["\u003cp\u003eCombine extensions by adding tags from different extensions within the \u003ccode\u003e<url>\u003c/code\u003e tag, following each extension's documentation.\u003c/p\u003e\n"],["\u003cp\u003eThe order of extension tags within the \u003ccode\u003e<url>\u003c/code\u003e tag (after the \u003ccode\u003e<loc>\u003c/code\u003e tag) does not matter.\u003c/p\u003e\n"],["\u003cp\u003eBe mindful of sitemap file size limits, as combining extensions can significantly increase file size.\u003c/p\u003e\n"]]],["Sitemap extensions allow specifying content types and metadata. To combine extensions, declare each extension's namespace using the `xmlns` attribute within the `\u003curlset\u003e` tag, referencing the correct URLs for image, news, video, or `xhtml` (for `hreflang`). After declaring namespaces, insert the tags from each desired extension, following the specifications in the respective documentation, within the `\u003curl\u003e` tag. Extensions can be added in any order after the `\u003cloc\u003e` tag, and combining extensions will increase the overall sitemap file size.\n"],null,["# How to Combine Sitemap Extensions | Google Search Central\n\nHow to combine sitemap extensions\n=================================\n\n\nSitemap extensions are a great way to tell Google about the different kinds of content and\ntheir metadata that you're using on your site. Often the content on your pages may fit into\nmultiple kinds of extensions; for example, you might be publishing news articles that embed\nimages and videos. Additionally, your pages may be localized as well, which might mean that\nyou could add `hreflang` annotations for your localized pages.\n\nNamespaces\n----------\n\n\nFor each sitemap extension that you want to use in a sitemap you need to specify the\nrespective namespace that declares the tags the extension supports. This is done with the\n`xmlns` attribute of the `urlset` tag. The namespaces for the sitemap\nextensions Google supports are:\n\n| Extension tags and their namespace definitions ||\n|---------------------------|------------------------------------------------------------------------------------------------------|\n| `image:` | [`http://www.google.com/schemas/sitemap-image/1.1`](http://www.google.com/schemas/sitemap-image/1.1) |\n| `news:` | [`http://www.google.com/schemas/sitemap-news/0.9`](http://www.google.com/schemas/sitemap-news/0.9) |\n| `video:` | [`http://www.google.com/schemas/sitemap-video/1.1`](http://www.google.com/schemas/sitemap-video/1.1) |\n| `xhtml:` (for `hreflang`) | [`http://www.w3.org/1999/xhtml`](http://www.w3.org/1999/xhtml) |\n\n### Declaring multiple namespaces\n\n\nTo declare multiple namespaces, add the respective namespace references to your sitemap as\ndescribed in the documentation of the respective extensions. Here's an example that shows how\nto add the news, video, and xhtml (for `hreflang`) extensions to a sitemap: \n\n```text\n\u003c?xml version=\"1.0\" encoding=\"UTF-8\"?\u003e\n\u003curlset xmlns=\"http://www.sitemaps.org/schemas/sitemap/0.9\"\n xmlns:news=\"http://www.google.com/schemas/sitemap-news/0.9\"\n xmlns:video=\"http://www.google.com/schemas/sitemap-video/1.1\"\n xmlns:xhtml=\"http://www.w3.org/1999/xhtml\"\u003e\n \u003curl\u003e\n\u003c!-- rest of the sitemap --\u003e\n```\n\nCombining sitemap extensions\n----------------------------\n\n\nOnce you declared the namespaces, follow the implementation details from the respective sitemap\nextension documentation you're going to use.\n\n- [Image sitemap](/search/docs/crawling-indexing/sitemaps/image-sitemaps)\n- [News sitemap](/search/docs/crawling-indexing/sitemaps/news-sitemap)\n- [Video sitemap](/search/docs/crawling-indexing/sitemaps/video-sitemaps)\n- [`hreflang`](/search/docs/specialty/international/localized-versions#sitemap)\n\n\nTo combine extensions, add the tags from whatever sitemap extensions you're using, one after the\nother, to the appropriate `\u003curl\u003e` tag, as described in each sitemap extension's\ndocumentation.\n\n\nFor example, to add news, video, and xhtml (`hreflang`) extensions to a sitemap: \n\n```scdoc\n\u003c?xml version=\"1.0\" encoding=\"UTF-8\"?\u003e\n\u003curlset xmlns=\"http://www.sitemaps.org/schemas/sitemap/0.9\"\n xmlns:news=\"http://www.google.com/schemas/sitemap-news/0.9\"\n xmlns:video=\"http://www.google.com/schemas/sitemap-video/1.1\"\n xmlns:xhtml=\"http://www.w3.org/1999/xhtml\"\u003e\n \u003curl\u003e\n \u003cloc\u003ehttps://www.example.com/english/page.html\u003c/loc\u003e\n \u003c!-- Starting with the news extension tags --\u003e\n \u003cnews:news\u003e\n \u003cnews:publication\u003e\n \u003cnews:name\u003eThe Example Times\u003c/news:name\u003e\n \u003cnews:language\u003een\u003c/news:language\u003e\n \u003c/news:publication\u003e\n \u003cnews:publication_date\u003e2008-12-23\u003c/news:publication_date\u003e\n \u003cnews:title\u003eCompanies A, B in Merger Talks\u003c/news:title\u003e\n \u003c/news:news\u003e\n \u003c!-- Next we add video extension tags --\u003e\n \u003cvideo:video\u003e\n \u003cvideo:thumbnail_loc\u003ehttps://www.example.com/thumbs/123.jpg\u003c/video:thumbnail_loc\u003e\n \u003cvideo:title\u003eLizzi is painting the wall\u003c/video:title\u003e\n \u003cvideo:description\u003e\n Gary is watching the paint dry on the wall Lizzi painted.\n \u003c/video:description\u003e\n \u003cvideo:player_loc\u003e\n https://player.example.com/video/987654321\n \u003c/video:player_loc\u003e\n \u003c/video:video\u003e\n \u003c!-- And finally the xhtml tags for hreflang --\u003e\n \u003cxhtml:link\n rel=\"alternate\"\n hreflang=\"de\"\n href=\"https://www.example.de/deutsch/page.html\"/\u003e\n \u003cxhtml:link\n rel=\"alternate\"\n hreflang=\"de-ch\"\n href=\"https://www.example.de/schweiz-deutsch/page.html\"/\u003e\n \u003cxhtml:link\n rel=\"alternate\"\n hreflang=\"en\"\n href=\"https://www.example.com/english/page.html\"/\u003e\n \u003c/url\u003e\n\u003c!-- Add more \u003curl\u003e tags --\u003e\n```\n\n\nThe order of the extension in the sitemap is irrelevant after the `\u003cloc\u003e`\ntag. Keep in mind the\n[general sitemap best practices](/search/docs/crawling-indexing/sitemaps/build-sitemap#general-guidelines),\nespecially the file size limits. Combining sitemap extensions increases the file size of your\nsitemap significantly."]]
