Is your sitemap valid?
Validate your XML sitemap instantly. Check for structural errors, missing URLs, and issues that could prevent search engines from indexing your content.
What is an XML Sitemap?
An XML sitemap is a structured file that lists the URLs on your website, along with metadata like last modification date, change frequency, and priority. Search engines use sitemaps to discover and crawl your pages more efficiently — especially for large sites, new sites, or sites with pages that aren't well-linked internally.
A broken or misconfigured sitemap can silently prevent search engines from finding your content. Invalid XML, URLs that return 404s, incorrect lastmod dates, or exceeding the 50,000 URL limit can all cause search engines to ignore your sitemap entirely — and you might not notice until your pages stop appearing in search results.
Instant Sitemap validates your XML sitemap against the sitemap protocol specification, checks for structural errors, and verifies that your URLs are accessible — so you can fix problems before they affect your search visibility.
Everything you need to monitor instant sitemap
Validate your XML sitemap for structure, errors, and protocol compliance.
Get more with Site Watcher
Monitor your entire web infrastructure from a single dashboard — uptime, SSL, domains, DNS, and vendor dependencies.
Check your websites every minute from multiple global locations. Track response times and uptime percentages.
Monitor certificate expiry dates with full chain validation. Get escalating alerts before browsers show warnings.
Track domain registration expiry via WHOIS. Escalating alerts at 30, 14, 7, 3, and 1 day before expiry.
Detect unexpected DNS changes across all record types. Hourly checks with diff views and propagation tracking.
Monitor any public status page for incidents. Get alerted when cloud providers and third-party services go down.
Get even more with Site Health
Go beyond infrastructure monitoring. Site Health adds search performance, page speed, technical SEO, and WHOIS tracking to your monitoring suite.
Monitor your search performance and indexing status.
Track LCP, INP, and CLS to keep your site fast.
Get alerted when your robots.txt changes unexpectedly.
Monitor your XML sitemaps for changes and issues.
Track redirect chains and get alerted to new or broken redirects.
Monitor hreflang tags for consistency and errors.
Get alerted when WHOIS records change — registrar, nameservers, or ownership.
Free Sitemap Validation
Validate any XML sitemap instantly. No account required.
Sitemap Validator
- XML structure validation
- Sitemap protocol compliance
- URL accessibility checks
- Entry limit and size verification
Instant Sitemap
- Instant XML sitemap validation
- Validate sitemap XML structure and protocol compliance.
- Verify that sitemap URLs are accessible and return valid responses.
- Use the tool instantly without signing up.
Or monitor everything from one dashboard
Site Watcher bundles all 5 monitoring tools — domain expiry, SSL, uptime, DNS, and vendor status — into a single dashboard with unified alerting.
Site Watcher
- Up to 3 monitored targets
- All 5 tools in one dashboard
- Smart check cadence
- Email alerts
- 30-day history
Site Watcher Pro
- Unlimited targets across all tools
- Domain expiry + SSL + Uptime + DNS + Vendor status
- Consolidated alerts
- Roll-up site status
- 1-year history
- Bulk import
Site Health Pro
- Everything in Site Watcher Pro
- Google Search Console integration
- Core Web Vitals monitoring (LCP, INP, CLS)
- Robots.txt change monitoring
- Sitemap change monitoring
- Redirect chain monitoring
- Hreflang monitoring
- WHOIS change monitoring
Validate your sitemap
Check your XML sitemap for errors and issues that could hurt indexing.