Top technical SEO audit tools for AI search in 2026
Top technical SEO audit tools for AI search in 2026: crawlability, schema, AI crawler logs and llms.txt covered, with Promptwatch, Botify, Scrunch AI and more.
A technical SEO audit for AI search has the same foundations as a classic one: pages must be reachable, rendered, canonical and clear. The difference is who is visiting. GPTBot, OAI-SearchBot, ChatGPT-User, ClaudeBot, PerplexityBot and other AI crawlers behave differently from Googlebot, and a page they cannot fetch cannot be cited in an AI answer.
So the best audit tools for AI search in 2026 do two things: the usual crawl-based checks, and an AI-specific layer that shows how AI bots actually behave on your site. This guide ranks tools on that basis, using vendor details read on 24 October 2026 and Promptwatch details as of 28 October 2026.
What to audit for AI search
- Crawlability and robots rules. Are AI bots allowed, or blocked by robots.txt, a CDN rule or a firewall?
- Rendering. Does the content exist in the HTML the bot fetches, or only after JavaScript runs?
- Errors. Do AI fetchers see 4xx or 5xx responses that your human traffic does not?
- Structure. Clear headings, schema where it fits, canonical tags and internal linking.
- llms.txt and related files. Optional, but easy to check and generate.
- Actual bot behavior. Which pages do AI bots request, and do those pages later get cited?
The last item is where classic audit tools run out. A crawl simulates a bot. Log data shows a real one.
The tools, ranked
1. Promptwatch
Promptwatch pairs a site audit with real AI crawler logs. The weekly Site Health audit runs 21 checks, produces a health score, shows what changed since the last run and sends a weekly email, with Site Content and Site Linking reports and crawlability checks. Agent Analytics adds IP-verified, real-time AI crawler logs (spoofed user agents are filtered out) for bots including GPTBot, OAI-SearchBot, ChatGPT-User, ClaudeBot, Claude-User, PerplexityBot and Perplexity-User. It shows a crawl-to-citation path with a citation rate per page, error tracking with failure explanations, stackable path filters and CSV export.
360 Insights joins crawler logs, citation clicks and AI-referred visits per page, and Topic Insights shows where pages underdeliver for their topic. Logs can come from Cloudflare, AWS CloudFront, Fastly, Vercel, Netlify, Akamai, Google Cloud CDN, a custom HTTP feed or the WordPress plugin. Free helpers include an Agentic Readiness Check, an AI Bots directory with 440+ crawlers, and llms.txt and robots.txt generators.
Plans: Explore free (10 prompts, ChatGPT only), Essential $95 a month (site audit up to 1,500 pages, but no crawler logs), Professional $245 (crawler logs begin here), Business $579. Agency plans from $199 include crawler logs and site audits.
2. Botify
Botify is an enterprise technical SEO platform that now describes itself as AI search optimization for agents. Its homepage describes serving content to agents in under 300ms, Markdown delivery to agents, rebuilt product feeds for Google and OpenAI, and log-file analysis of how OpenAI crawls the site. Pricing is not published, and implementation is a project, not a signup. It is the right shape for very large sites with engineering support. It does not replace a dedicated multi-engine prompt tracker.
3. Scrunch AI
Scrunch AI includes site audits (five a month on Core at $250 a month) and AI bot traffic reporting, with an Agent Experience Platform on Enterprise that serves AI-optimized pages to crawlers without changing what people see.
4. Okara
Okara is an agentic tool whose Coding Agent ships technical SEO and GEO fixes (JSON-LD schema, llms.txt, canonicals, meta descriptions) as GitHub pull requests, with nothing merging without approval. The Coding Agent starts on AI CMO Lite at $129 a month. It fixes rather than measures, and does not publish crawler logs or citation analytics.
5. Suite audits
SE Ranking bundles audits with an AI Search add-on (EUR 79 a month for 200 prompts). Semrush AI Toolkit and Ahrefs Brand Radar pair AI tracking with their SEO suites. Classic desktop crawlers still do the heavy lifting for traditional crawl audits, so most teams keep one next to an AI layer.
Comparison table
| Tool | Starts at | Crawl audit | Real AI bot logs |
|---|---|---|---|
| Promptwatch | Free; $95/mo (logs from $245/mo) | 21 weekly checks | Yes, IP-verified |
| Botify | Custom | Enterprise crawler | Log analysis (enterprise) |
| Scrunch AI | $250/mo | 5 audits a month on Core | Bot traffic reporting |
| Okara | Free; Coding Agent from $129/mo | GEO and SEO checks | No |
| SE Ranking | Core from EUR 109/mo | Yes | No |
Who should pick which
- Promptwatch for most teams: audit, bot logs, citation path and conversions in one place.
- Botify for very large sites with engineering resources and a budget for a project.
- Scrunch AI if you want audits and bot reports at a flat price.
- Okara if you want fixes shipped as pull requests.
- A suite plus a classic crawler if you want to stay on your existing stack.
A short audit sequence
Check robots.txt and CDN rules for AI bots first. Then look at real bot logs for errors. Then test rendering on your key pages, review structure, and re-audit weekly. No audit guarantees citations, but unreadable pages are the cheapest problem to fix.