Comparison
Different products for different stages. LLCrawler is a free technical audit that scores your site's AI readiness in 30 seconds. Otterly.AI is a paid monitoring subscription that tracks whether your brand and competitors show up in LLM answers over time.
305+ sites analyzed
100% free · No signup · Report in 30 seconds
Otterly.AI is a focused monitoring tool for SEO teams, agencies, and marketers who want to track how their brand, products, and competitors appear in ChatGPT, Perplexity, and Google AI Overviews — with prompt-level tracking, share-of-voice metrics, and alerts. LLCrawler runs a one-off technical audit of a single domain — it scores llms.txt, JSON-LD, robots.txt, meta tags, content structure, and sitemap in 30 seconds, for free. If you are not sure whether your site is even readable by LLMs, start with LLCrawler. If you already know your site is solid and you need to monitor brand mentions week after week, Otterly.AI is the logical next step.
Honest note: we build LLCrawler. We still think the answer above is fair. If you disagree, email us — we will update this page.
| Feature | LLCrawler | Otterly.AI |
|---|---|---|
| What it does | One-off technical audit of a single domain | Continuous monitoring of brand and competitor mentions in AI answers |
| Pricing | Free | Paid (SaaS subscription, tiered plans) |
| Signup required | No | Yes |
| Time to first insight | ~30 seconds | Hours to days (setup, prompt configuration, first monitoring cycle) |
| What gets scored | llms.txt, JSON-LD, robots.txt, meta tags, content structure, sitemap | Prompt-level mentions, share of voice, sentiment, competitor tracking |
| Coverage | Your own site's technical signals | ChatGPT, Perplexity, Google AI Overviews, Gemini answers over time |
| Best for | Founders, developers, SEO / GEO specialists | SEO teams, agencies, marketers tracking brand visibility |
| Output | Score + issues + actionable fixes + shareable badge | Dashboards, trend charts, alerts, per-prompt reports |
No. They solve adjacent but different problems. LLCrawler is a free one-shot technical audit — it tells you whether your site is AI-readable, what is broken, and how to fix it. Otterly.AI is a paid monitoring subscription that tracks brand mentions in LLM answers over time. Most teams benefit from running LLCrawler first to fix technical issues, then subscribing to a monitoring tool like Otterly.AI once their site is actually visible to LLMs.
Yes, it is free. No signup, no credit card, no trial. We rate-limit anonymous usage to prevent abuse, and we have optional paid features on our roadmap for monitoring and history — but the audit itself is free today and will stay that way. The catch is that LLCrawler runs a one-off audit, not continuous monitoring.
You can, but you will probably pay for monitoring that confirms bad news. Otterly.AI tracks mentions of your brand in LLM answers — but if your site is missing llms.txt, has broken JSON-LD, blocks GPTBot in robots.txt, or has content structure that LLMs cannot parse, you will be paying to watch a flat line. Fix the technical basics with LLCrawler first (free), then the Otterly.AI data will actually have something to show.
Yes, and that is what we recommend. Run LLCrawler first and fix every issue it flags. Once your site scores 80 or higher, subscribe to Otterly.AI to track how mentions evolve over time. LLCrawler is pre-flight, Otterly.AI is in-flight.
You paste your URL, we crawl the homepage and up to 9 internal pages, and we score six categories: structured data (JSON-LD), content structure (H1, FAQ, text volume), meta and social tags (OpenGraph, Twitter Cards), performance (Lighthouse), AI readiness (llms.txt, robots.txt directives for GPTBot, ClaudeBot, PerplexityBot, Google-Extended, and JavaScript dependency), and sitemap validity. The full report includes issues, recommendations, a shareable badge, and a Markdown audit prompt you can paste into ChatGPT or Claude to get help implementing the fixes.
Run LLCrawler's free technical audit first. Once your site is AI-ready, subscribing to a monitoring tool like Otterly.AI actually makes sense.
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