Sitemap XML URL Checker - Validate Sitemap and Test Live Links

Web Developer Tool

Sitemap XML URL Checker

Validate a sitemap, extract unique links, and make quick availability checks without downloading full web pages.

Sitemap URL

URL count

Ready

---

Sitemap XML Checker for Website and Blog Developers

A sitemap XML checker helps website owners, blog developers, SEO teams, and content editors confirm that the links submitted to search engines still point to reachable pages. A sitemap can look fine at a glance but still contain old URLs, redirected URLs, broken article links, unpublished pages, staging links, or duplicated entries. This tool gives developers a fast way to validate the sitemap structure, extract page URLs, remove duplicate checks, and review which URLs appear available.

The checker accepts a sitemap.xml URL or an uploaded XML file. After the sitemap is read, the XML is parsed in the browser and checked for a valid sitemap root such as urlset or sitemapindex. Page links are collected from loc elements, duplicate links are skipped, and only the requested number of unique URLs is verified. The default count is 500 URLs, and the maximum count is 10,000 URLs.

Why Sitemap URL Validation Matters

A sitemap is one of the clearest signals a site gives to search engines about the pages that should be crawled. If a sitemap contains unavailable pages, visitors and crawlers can waste time on broken paths. A small blog may only have a few dozen URLs to check, while a larger site can contain thousands of entries across multiple sitemap files. Regular sitemap checking helps keep published URLs, internal links, and search engine discovery in better shape.

Broken sitemap URLs can appear after changing permalink structure, deleting posts, moving categories, publishing drafts by mistake, changing domain names, or importing content from another platform. A quick sitemap review after these changes can catch problems before they remain live for weeks. For blog developers, this is especially helpful after theme updates, content migrations, URL cleanup, or bulk publishing.

Quick Availability Checks Without Full Page Downloads

The checker uses the lightest browser-friendly approach available for each URL. It starts with an HTTP HEAD request, which asks the server for response headers without downloading the body of the page. If a server does not support that method, the checker can try a tiny range request instead of fetching the full page. This keeps the process faster and avoids unnecessary page downloads during routine sitemap audits.

Because this is a browser-based post, some remote servers may hide status codes with CORS rules. When that happens, the checker may only be able to confirm that the browser reached the URL, not read the exact status code. Uploaded sitemap files avoid CORS issues while parsing the XML itself, and same-origin or CORS-enabled sitemap URLs can be read directly from the URL field.

How the Result Is Organized

After analysis, the result shows a pie chart for available versus unavailable URLs. The summary also reports the number of checked URLs and the duplicate sitemap entries skipped before verification. The URL list is sorted alphabetically so developers can scan domains, paths, category groups, and similar article URLs together. Live URLs are shown in blue, while unavailable URLs are shown in red.

The result is designed for practical cleanup. Developers can open any listed URL in a new tab, copy the invalid URL list, update the post or sitemap source, regenerate the sitemap, and run the check again. For larger sites, checking a smaller count first can reveal common patterns before running a larger audit.

Sitemap XML Checker FAQs

What is a sitemap.xml file?

A sitemap.xml file is an XML document that lists website URLs for search engines and other crawlers. It usually contains page URLs inside loc elements and can also include last modified dates, change frequency, and priority metadata.

Can this tool check a sitemap index?

Yes. If the sitemap is a sitemap index, the checker reads child sitemap URLs where the browser can access them, avoids revisiting the same sitemap URL, and collects page URLs until the requested count is reached.

Why does a sitemap URL sometimes fail while upload works?

Some websites serve public sitemap files without allowing other browser pages to read them through CORS. Uploading the sitemap XML file lets the browser parse the file locally, which avoids that cross-origin restriction.

Does the checker download every page?

No. The availability check is designed to avoid full page downloads. It uses HEAD first and only falls back to a very small request when a server does not support HEAD.

Why are duplicate URLs skipped?

Skipping duplicates prevents repeated checks for the same page, makes the result cleaner, and avoids wasting time on URLs that were already verified during the same run.