Free instant SEO & AI-readiness scan · No signup required

Is your site invisible to ChatGPT?

Find out in 5 seconds. Get your Global SEODiff Score across SEO, AI Readiness, Performance & Architecture — then see exactly what to fix.
See a live report: stripe.com, airbnb.com, github.com. Or compare.
AI Answer Simulator Preview · What the Bot Sees vs What the User Sees
See how LLMs summarize your site.
What the bot sees (broken extraction)

“Company offers payments. Product details are unclear. Pricing and docs were partially extracted due to hydration-heavy markup.”

What users see (intended message)

“Global payments platform with clear APIs, docs, onboarding paths, and structured product pages for checkout, billing, and fraud prevention.”

Run a scan to generate this summary for your domain.
● Live from the Radar
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Live: — domains indexed Blocked: GPTBot — · ClaudeBot — World-diffing: leaderboard · benchmarks · compare Self-diffing: CI/CD · template drift coming soon Shareable: every report has canonical URLs under /radar/domains/
100% free — no signup required Global SEODiff Score + 4 pillars SEO · AI Readiness · Performance · Architecture

Fix the hydration gaps that block AI agents.

Traditional SEO tools check for Google; SEODiff checks for the LLM extraction layer with rendered-vs-raw diffing and template-level diagnostics.

+22 KB hydration bloat detected on /product/123 in the rendered-vs-raw diff view.
SEODiff rendered vs raw diff screenshot

Two pillars: self-diffing + world-diffing.

Use the same engine to catch regressions before deploy, and to benchmark visibility against the web.

⚖️

Regression Diff Engine (Self‑diffing)

Diff Raw HTML vs Rendered DOM to catch hydration mismatch, template drift, and SEO regressions.

CI/CD guide →
🛠️

Tools (Indexable)

Expose every capability as a page you can link, share, and rank—then slot in more over time.

Browse tools →

Live reports you can share (and Google can index).

Stable URLs under /radar/domains/DOMAIN make your "best content" the product itself.

Tools & mini-audits.

Free standalone tools — enter any domain and get instant results. No signup required.

AI Chunking Entity Schema AI Training Data Crawler Health Answer Format Hallucination Test

Want the full directory? Browse all tools.

Built for the Modern Stack

Feature Legacy Crawlers SEODiff
JS Rendering Optional / Slow Core / Fast
Hydration Diff ❌ ✅ Yes
Grouping By folder depth By template
Orphan Logic Binary (true / false) Probabilistic
CI/CD Complex scripting Native Action

Deterministic by Design

Coverage confidence is computed per template so signal quality stays explicit.

🗂️IngestSitemap / Seeds
🧩GroupTemplate Matcher
🎯SampleSmart Sampling
🌐ExecuteHeadless Chrome
⚖️DiffHTML vs DOM
📊ReportCoverage Confidence

Open core for growth

Default: show the report. Optional: create a free account to monitor over time and unlock heavier compute (JS rendering, Lighthouse, larger crawls).

What you can share Public With free account
Domain report (AI-readiness + benchmarks) ✅ ✅
Radar leaderboards + benchmarks ✅ ✅
Monitoring & history (diff your site over time) — ✅
CPU-heavy scans (JS rendering, Lighthouse) Limited ✅

Start with a report URL you can share: /radar/domains/stripe.com · /stats · /benchmark.

Discovery Pulse Live radar feed — refreshed hourly

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