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Sitemap Validator
Your sitemap works for Google. But does ChatGPT see it?
Free sitemap validator that fetches every URL as 5 crawlers: Chrome, Googlebot, GPTBot, ClaudeBot & PerplexityBot. Checks XML syntax, live URL health, robots.txt per crawler, hreflang, fuzzy duplicates — and gives you an AI Discoverability score no other tool has. Detects 17 CMS platforms (Yoast, Shopify, Next.js…) and gives platform-specific fixes. No signup, no paid tier. 50 rules, 3 scores, 30 seconds.
I built this because I got mass-frustrated with every free sitemap validator on Google's first page.
They all do the same thing: parse the XML, count the URLs, maybe flag a missing , and call it done. Not a single one actually fetches the URLs to check if they're alive. Not one checks whether AI crawlers can even reach your content.
In 2026, your sitemap isn't just for Google anymore. GPTBot, ClaudeBot, and PerplexityBot are crawling those same URLs — and if your robots.txt blocks them (a lot of sites did this in 2023 to stop scrapers and never undid it), your content is invisible in ChatGPT search, Claude's web answers, and Perplexity citations.
So I built the validator I wanted:
What it actually does differently:
Fetches every URL (up to 1,000) as 5 different crawlers simultaneously
Cross-checks your robots.txt per URL, per crawler — so you see "Googlebot: allowed, GPTBot: blocked" in one view
Gives you an AI Discoverability score (0-100) with per-crawler breakdown — this doesn't exist in any other free tool
Detects your CMS (Yoast, Rank Math, Shopify, Webflow, Next.js, Astro, + 11 more) and prefixes every fix with the exact admin path
Flags and as dead weight Google ignores — instead of throwing errors when they're missing, which is what the incumbents still do
Validates hreflang across 6 rules that Google Search Console reports vaguely at best
What it is NOT:
Not a sitemap generator (use your CMS for that)
Not a full site audit (we have separate tools for schema, meta tags, broken links)
Not paywalled — no signup, no "upgrade for more URLs," no watermark
The whole thing runs in 30-60 seconds. Try it with your own sitemap and tell me what breaks — I fix bugs same-day.
Link: https://toolsvale.com/sitemap-va...
Would love to hear what you'd add to the audit. I'm actively building v1.1 with OAI-SearchBot and Google-Extended crawler support.
About Sitemap Validator on Product Hunt
“Your sitemap works for Google. But does ChatGPT see it?”
Sitemap Validator was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #91 on the daily leaderboard. Free sitemap validator that fetches every URL as 5 crawlers: Chrome, Googlebot, GPTBot, ClaudeBot & PerplexityBot. Checks XML syntax, live URL health, robots.txt per crawler, hreflang, fuzzy duplicates — and gives you an AI Discoverability score no other tool has. Detects 17 CMS platforms (Yoast, Shopify, Next.js…) and gives platform-specific fixes. No signup, no paid tier. 50 rules, 3 scores, 30 seconds.
On the analytics side, Sitemap Validator competes within SEO, Developer Tools and Tech — topics that collectively have 1.2M followers on Product Hunt. The dashboard above tracks how Sitemap Validator performed against the three products that launched closest to it on the same day.
Who hunted Sitemap Validator?
Sitemap Validator was hunted by toolsvale. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Sitemap Validator including community comment highlights and product details, visit the product overview.
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