Sitemap Checker
Parse sitemap.xml and sitemap-index files. Live XML analysis.
Quick Facts
- ✅ Checks: URL count, lastmod, priority, changefreq, HTTP status
- ⚡ Speed: Full parse in under 5 seconds for 50K URL sitemaps
- 💰 Cost: 100% free — unlimited scans
- 📊 Sitemap index expansion (recursive)
- 🔄 Last Updated: June 2026
What Is Sitemap Checker?
An XML sitemap checker is a tool that validates the structure and content of your sitemap.xml file — the file that tells Google, Bing, and AI search engines every URL you want indexed. SEOAcademys' Free Sitemap Checker fetches the sitemap, parses XML syntax, expands sitemap-index files recursively, counts URLs (must stay under 50,000 per file and 50 MB uncompressed per Google's limits), validates each URL returns HTTP 200, and audits lastmod, priority, and changefreq values for freshness accuracy.
What Does Sitemap Checker Check?
Sitemap Checker is a free SEO tool from SEOAcademys that performs real-time analysis on any live URL. It evaluates 8+ signals using the same methodology trusted by 2.4M+ marketers worldwide — with no signup, no credit card, and zero data stored on our servers.
XML syntax validation with line
XML syntax validation with line-numbered errors
Sitemap index (nested sitemap.xml) recursive expansion
Sitemap index (nested sitemap.xml) recursive expansion
URL count vs 50,000 limit warning
URL count vs 50,000 limit warning
File size vs 50 MB uncompressed limit warning
File size vs 50 MB uncompressed limit warning
Per
Per-URL HTTP status check (200, 301, 404)
lastmod format validation (ISO 8601 required)
lastmod format validation (ISO 8601 required)
priority and changefreq audit (both deprecated by Google in 2023 but still parsed)
priority and changefreq audit (both deprecated by Google in 2023 but still parsed)
Duplicate URL detection across nested sitemaps
Duplicate URL detection across nested sitemaps
Why Sitemap Checker Matters for Google Rankings in 2026
A broken sitemap silently caps how many pages Google will index. If your sitemap references URLs that 404 or redirect, Google eventually stops trusting the file and reduces crawl frequency for the entire site. Conversely, a clean, accurate sitemap is the single fastest way to get new content indexed — pages listed in a valid sitemap with a fresh lastmod are typically crawled within 24 hours vs 3–14 days for pages Google has to discover through links.
How to Use Sitemap Checker
- 1
Step 1: Enter Your URL
Paste any public URL into the field above. Sitemap Checker accepts both
http://andhttps://and auto-resolves redirects. - 2
Step 2: Run the Analysis
Click Analyze. Our edge servers fetch the live HTML in under 8 seconds and run a deep parse — no caching, always fresh.
- 3
Step 3: Fix the Issues
Review the prioritized fix list, copy the recommended snippets, and re-run Sitemap Checker after deploying to confirm the score change.
What Sitemap Checker Checks — Full List
Sitemap Checker vs Screaming Frog: Why Free Wins
Paid SEO suites cost $99–$449/month. Sitemap Checker runs the same on-page checks in real time, completely free.
| Feature | SEOAcademys | Screaming Frog | Ahrefs |
|---|---|---|---|
| Price | Free forever | $139.95/mo | $129/mo |
| Signup required | No | Yes | Yes |
| Live URL fetching | Yes | Yes | Yes |
| AI crawler signals (GPTBot, ClaudeBot) | Yes | No | Partial |
| Daily limit | Unlimited | 100 reports | 500 credits |
| Data stored | Nothing | Indefinitely | Indefinitely |
| Export CSV / JSON | Yes | Yes (paid tier) | Yes (paid tier) |
Common XML Sitemap Analyzer Issues Found
Sitemap references 404 URLs
Every 404 in your sitemap erodes Google's trust in the file. Common cause: sitemap generation runs before old content is fully deleted.
Sitemap references redirects
Only include the final 200 URLs. Sitemap URLs that redirect waste crawl budget and signal poor site hygiene.
Missing lastmod dates
Without lastmod, Google cannot tell which pages are new or updated. Include an accurate lastmod on every URL and update it when content actually changes.
lastmod that never changes
Setting lastmod=today for every URL trains Google to ignore the signal entirely. Only update lastmod when content genuinely changes.
Sitemap not declared in robots.txt
Google can find /sitemap.xml automatically but explicit declaration (Sitemap: https://site.com/sitemap.xml) accelerates discovery, especially for non-standard sitemap paths.
Over 50,000 URLs in one file
Google hard-limits at 50K URLs and 50 MB uncompressed. Split into multiple sitemaps and use a sitemap-index file to reference them.
Frequently Asked Questions About Sitemap Checker
What is an XML sitemap?
An XML sitemap is a machine-readable file (usually /sitemap.xml) that lists every URL on your site you want search engines to index. It tells Google, Bing, and AI search engines what content exists, when it was last updated, and how important each URL is relative to the rest of the site.
Do I need a sitemap if I have a small site?
Sites under ~100 pages can technically be discovered through internal linking alone — but a sitemap still helps Google index new pages 3–10× faster. For any site with more than 20 pages, a sitemap is best practice.
How often should I update my sitemap?
Automatically, whenever content is added, updated, or removed. Most CMSs (WordPress, Shopify, Webflow) generate sitemaps dynamically on every request or update them on publish. If your sitemap is static, regenerate it at least weekly.
What is the maximum size of an XML sitemap?
Google's limits: 50,000 URLs per file and 50 MB uncompressed. If you exceed either limit, split the sitemap into multiple files and reference them from a sitemap-index file (also XML, at /sitemap-index.xml or similar).
Should I include noindex pages in the sitemap?
No. Sitemaps should only contain URLs you want Google to index. Including a noindex URL in the sitemap sends conflicting signals — you are asking Google to crawl a URL you have told it not to index.
Does the priority tag actually work?
No. Google publicly stated in 2017 (and reconfirmed in 2023) that <priority> and <changefreq> are ignored. Only <loc> and <lastmod> are used. You can leave priority/changefreq in your sitemap — they do not hurt — but do not spend time optimizing them.
How do I submit my sitemap to Google?
Two ways: (1) Add Sitemap: https://yoursite.com/sitemap.xml to your robots.txt file, and (2) Submit the URL directly in Google Search Console under Indexing → Sitemaps. Both trigger crawl requests within hours.