What is a sitemap and why does your website need one

Search engines find pages on a website by following links from one page to another. A sitemap speeds up that process by giving search engines a direct list of every page on the site, so nothing gets missed.

A sitemap is a file that lists the pages on a website and tells search engines where to find them. An XML sitemap is designed specifically for search engines. It is not a page visitors see. It is a structured file that search engine crawlers read when they visit the site to understand the full scope of content available. For a website that wants its pages indexed and found through search, a sitemap is one of the most basic technical elements to have in place.

What are the types of sitemaps?

XML sitemap

An XML sitemap is the standard format search engines expect. It lists the URLs of every page the website owner wants search engines to index, along with optional information about when each page was last updated and how frequently it changes. This is the type of sitemap that affects search engine indexing and is the one most websites need to create and maintain.

HTML sitemap

An HTML sitemap is a page on the website that lists links to all other pages, designed for visitors rather than search engines. It provides an alternative navigation path for visitors who cannot find a specific page through the main menu. HTML sitemaps are less common than they used to be but can be useful on large sites with complex structures.

Image and video sitemaps

Image sitemaps and video sitemaps are extensions of the XML sitemap that give search engines additional information about image and video content. An image sitemap helps search engines discover images that might not be found through standard crawling, which can improve visibility in image search. A video sitemap provides structured data about video content, including title, description, and thumbnail URL.

Does every website need a sitemap?

Yes. Even a small website with five pages benefits from having an XML sitemap. The argument against sitemaps for small sites is that search engines can find the pages by following links anyway. That is true. But a sitemap confirms the full list of pages the owner wants indexed and removes any ambiguity about what should be crawled.

For new websites that have not yet built inbound links from other sites, a sitemap submitted to Google Search Console is one of the fastest ways to signal that the site exists and that its pages are ready to be indexed. For larger websites with hundreds of pages, the sitemap becomes more critical. Without one, search engines may not discover all pages during a crawl, especially pages buried deep in the site structure or not well linked internally.

What pages should be included in a sitemap?

A sitemap should include every page the website owner wants search engines to index and rank. Home page, service pages, product pages, blog posts, and any other pages that should appear in search results belong in the sitemap.

Pages that should not be in a sitemap include pages marked with a noindex tag, redirect URLs, duplicate content pages, and any pages the site owner does not want appearing in search results, such as admin pages, thank you pages after form submissions, or pages under construction. Including these in a sitemap sends conflicting signals to search engines, since a page listed in the sitemap is expected to be indexable. The article on what website structure is covers how the organization of pages and their linking relationships affects how search engines navigate a site.

How does a sitemap relate to robots.txt?

A sitemap and a robots.txt file serve different but complementary functions. The sitemap tells search engines which pages exist and should be crawled. The robots.txt file tells search engines which pages or sections of the site they are not permitted to crawl. Used together, they give website owners control over both what search engines can access and what they should prioritize.

A page listed in the sitemap but also blocked by robots.txt creates a conflict. Search engines will respect the robots.txt block and ignore the sitemap listing for that page. If a page should not be indexed, it should be either excluded from the sitemap or blocked in robots.txt, not both in different ways. The article on what URL structure is explains how the structure of URLs affects how pages are grouped and prioritized during crawling.

How does a sitemap help SEO?

A sitemap does not directly improve a page's search ranking. It helps search engines find pages faster, which is a prerequisite for ranking. A page that has never been crawled and indexed cannot rank for anything, regardless of how well it is written or structured.

For new websites, a sitemap submitted through Google Search Console can significantly reduce the time between launching a page and having it appear in search results. For established websites with regular new content, an automatically updated sitemap ensures that new pages are discovered quickly after publication. The article on what SEO is covers the broader set of factors that determine how pages rank once they have been indexed.

How do you check if your sitemap is working?

Google Search Console is the primary tool for monitoring sitemap performance. After submitting a sitemap, Search Console shows how many URLs were submitted, how many were indexed, and whether any errors were detected. Pages listed in the sitemap but not indexed are flagged with a reason, which allows website owners to identify and fix indexing problems directly.

Common sitemap errors include URLs that redirect rather than load directly, pages that return errors, and pages blocked by robots.txt. Each of these prevents the page from being indexed and appears as a warning or error in the Search Console sitemap report. The article on what schema markup is covers another technical element that provides structured information to search engines, working alongside the sitemap to help them understand page content.

How WEMASY handles sitemaps

WEMASY's website builder generates an XML sitemap automatically. Every published page is added to the sitemap without any manual configuration. The sitemap updates when pages are added, removed, or modified. It can be submitted directly to Google Search Console from the WEMASY dashboard.

See what is included at the WEMASY website builder or review plans on the pricing page.

Frequently asked questions