Sitemap Validator

Deep validation of your XML sitemap. Schema, URL count, lastmod, sample URL tests, sub-sitemap consistency. ~10 seconds.

XML schemaURL sample testSub-sitemaps~10 seconds
This tool analyzes the single URL you enter, not your entire website.
Validating sitemap…Fetching /sitemap.xml, parsing XML, testing sample URLs.

What We Check

Every check comes with a pass/fail result and specific fix instructions.

Sitemap Accessible

Sitemap must be reachable at /sitemap.xml with HTTP 200. Anything else means Google can

Content-Type XML

Server must return Content-Type: application/xml or text/xml. HTML content-type confuses crawlers.

UTF-8 Encoding

<?xml version=

Valid XML

Sitemap must be parseable XML. Malformed XML breaks sitemap discovery entirely.

File Size OK

Single sitemap file must be under 50 MB uncompressed. Larger files should be split or gzip-compressed.

Sitemap Index

Sitemap index lets you reference up to 50,000 sub-sitemaps. Required for large sites with > 50K URLs.

Sub-Sitemaps Load

Each sub-sitemap referenced in the index must return HTTP 200 and be valid XML.

URL Count

Each individual sitemap file must have ≤ 50,000 URLs. More requires splitting via sitemap index.

Robots.txt Reference

robots.txt should reference your sitemap with: Sitemap: https://example.com/sitemap.xml — speeds up discovery.

Absolute URLs

All URLs in sitemap must be absolute (https://example.com/page) — Google

Same Domain

Sitemap should only contain URLs from the same domain. Cross-domain entries are rejected by Google.

HTTPS Only

If your site is HTTPS, sitemap URLs must also be HTTPS. Mixed protocols cause indexing inconsistencies.

No Tracking Params

URLs with ?utm_, ?fbclid, ?gclid create duplicate content issues. Remove them from sitemap.

No Fragments

URLs with # fragments are ignored by Google. Don

Sample URLs 200

Random sample of URLs must all return HTTP 200. Dead URLs erode Google

No Noindex on Samples

URLs in sitemap shouldn

Self-Canonical Samples

Each URL should canonical to itself. If it canonicals elsewhere, why submit it?

No Priority/Changefreq

and tags are IGNORED by Google since 2017. Remove to reduce file size.

Has Lastmod Tags

tags help Google know when to re-crawl. Without them, Google guesses crawl frequency.

Why It Matters

Numbers that make a difference for your website.

17

Checks

Deep sitemap validation

Sample

Test

Real URL verification

Index

Support

Sub-sitemap detection

Schema

Valid

XML spec compliance

Frequently Asked Questions

Common questions about this tool and how to use the results.

Why do I need a sitemap?
Sitemaps help search engines discover and crawl your pages efficiently. They are especially important for large sites, new sites, and sites with complex navigation.
How often should I update my sitemap?
Update it whenever you add, remove, or significantly change pages. Dynamic sitemaps that auto-generate are ideal.
What is a sitemap index?
A sitemap index file lists multiple sitemaps, useful when you have more than 50,000 URLs. Each sub-sitemap can contain up to 50,000 URLs.

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