A sitemap provides information that helps Google more intelligently crawl your site. Discover how a sitemap works and determine if you need one.| Google for Developers
Learn how to create and submit a News sitemap by reviewing the requirements, example entries, and news-specific tag definitions.| Google for Developers
Video sitemaps help Google display videos in Search. Review these guidelines to learn more and browse video xml sitemap examples.| Google for Developers
Image sitemaps help Google discover images. Follow these best practices on how to create an image sitemap and review image sitemap examples.| Google for Developers
Discover what Google mobile-first indexing is and explore best practices designed to improve user experience in Google Search.| Google for Developers
WebSub provides a common mechanism for communication between publishers of any kind of Web content and their subscribers, based on HTTP web hooks. Subscription requests are relayed through hubs, which validate and verify the request. Hubs then distribute new and updated content to subscribers when it becomes available. WebSub was previously known as PubSubHubbub.| www.w3.org
| www.sitemaps.org
When a site has duplicate content, Google chooses the canonical URL. Learn more about canonical URLs and how to consolidate duplicate URLs.| Google for Developers