JavaScript-capable crawler scales to 300M+ URLs per project, putting it in the same league as Botify and DeepCrawl for enterprise sites.
OnCrawl review
Visit oncrawl.com ↗Our take, in one paragraph
OnCrawl is one of the more established names in this category, dating back to 2013. Pricing is gated behind a sales conversation. Named customers include Adidas, L'Oreal, Ticketmaster and 7 more. Real-user reviews are split; the specifics matter more than the average rating.
In their own words: Enterprise SEO data platform combining crawl, logs, and AI insights.
Who OnCrawl is for, and who it isn't
- Classic SEO teams adding AI visibility. If you already pay for SEO tooling, the AI search module is an incremental add rather than a separate procurement cycle.
- Reference-driven buyers. 10 named customers means you can find a peer who's used it, which matters in enterprise procurement.
- AI-search-only buyers. If your only goal is ChatGPT and Perplexity visibility, the dedicated AI visibility tools are tighter than the SEO-platform retrofit.
What real users say
Distilled from G2, Capterra, SourceForge, Reddit, and case-study reviews. Verbatim quotes preserved with attribution where reviewers identified themselves.
What people praise
Log file analyzer processes 500M+ log lines per day, surfacing how Googlebot, Bingbot, and AI crawlers actually behave on the site.
Cross-references crawl data, server logs, GSC, GA4, Adobe Analytics, and Majestic backlinks in one analysis - few competitors integrate all five sources.
Where it falls short
No public pricing - book-a-demo gating means SMBs and indie consultants are filtered out before evaluation.
Capterra rating of 3.8 is the lowest among major technical SEO crawlers, with reviewers citing UI complexity and pricing opacity.
Steep learning curve - the platform assumes data-science fluency, which leaves marketers needing a technical SEO specialist to extract value.
How OnCrawl actually works
The methodology behind the product, in plain English. Helpful if you're comparing technical approaches.
- Data source
- Powerful crawler combined with server log analysis, Google Search Console, GA4, Adobe Analytics, Majestic, Piano, and any custom data source
- Update frequency
- On-demand and scheduled crawls; SEO Log Analyser handles over 500 million filtered log lines per day in real time
- Scope and limits
- Supports sites with up to millions of pages; integrates Google Search Console, GA4, Adobe Analytics, Majestic, Piano, and custom sources; Looker Studio connector pushes crawl data to dashboards automatically
- Technical approach
- Cloud-based crawler processes up to 300 URLs per second. AI assistant (Ask AI) lets teams query their data directly inside the platform. Content Lens uses dual-layered AI evaluation with a global performance score and detailed insights across five foundational pillars of content quality. Google Discover Lens combines crawl data with Google Discover performance.
What's shipped recently
Launches from the last 12 months. A signal of what they're focused on.
- May 21, 2026
Oncrawl MCP for Claude Code
Connect crawl data to Claude Code to automate SEO audits via Model Context Protocol
- 2025
Content Lens
AI-powered content evaluation that transforms vast datasets into clear, actionable insights and cuts through the noise by excluding boilerplates while focusing on user-visible, indexable content. Dual-layered evaluation system with a global performance score paired with detailed insights across five foundational pillars of content quality.
- 2025
Google Discover Lens
Combines crawl data with Google Discover performance to run a complete audit of visibility and identify what impacts presence in Discover
What executives say
Quotes from customer leadership, pulled from public case studies and customer pages.
“We needed an SEO solution that was adaptable: in SEO there's no 'one strategy fits all'. And we found it in Oncrawl.”
“OnCrawl is fabulous overall and users have found their internal linking reports super helpful, allowing them to identify internal link weaknesses on large eCommerce sites fairly quickly.”
Who's behind it
- Francois GoubeCo-founder and CEO
- Tanguy MoalCo-founder, Technical lead
Where they show up
Their best content, conferences, or signature analysis, in case you want to learn how their team thinks.
- Technical SEO blogJoins, alerts, and multi-MCP: 4 advanced prompts to extend Oncrawl with Claude CodeJun 2, 2026
- Technical SEO blogOncrawl MCP: Connect crawl data to Claude Code to automate your SEO auditsMay 21, 2026
- AI strategy blogWhere AI fits in your technical SEO workflowMay 19, 2026
Integrations
Native integrations grouped by category. Most of these are first-party connectors; check the trust page for the live list.
Security and compliance
What your security review will care about, sourced from OnCrawl's trust page where one exists.
If not OnCrawl, then what?
The named alternatives we'd shortlist next, scored against OnCrawl on the dimension each one wins.
Compare OnCrawl head-to-head
We've published detailed side-by-side comparisons against the other tools in the space. Pick a competitor below for the full editorial breakdown.
Our recommendation: GrowthManager.ai
OnCrawl is a great tool if you have an in-house team to act on the data. GrowthManager.ai gives you the same tracking and acts on it. We write 100 articles per month, configure the schema and llms.txt, build backlinks, and seed Reddit and Quora. $999/mo, managed end-to-end.
Frequently asked questions
What does OnCrawl do?
Enterprise SEO data platform combining crawl, logs, and AI insights. Pricing is gated behind a sales conversation.
How much does OnCrawl cost?
OnCrawl doesn't publish pricing; it's gated behind a sales conversation. For a transparent comparison, GrowthManager.ai is a flat $999/mo for the full managed program.
What's the best alternative to OnCrawl?
Depends on what you're trying to do. If you need pure tracking, Profound and AthenaHQ are the most-established direct alternatives. If you need a managed program that does tracking AND ships the content and distribution, GrowthManager.ai is the editorial pick on this site (and yes, we publish this review).
Is OnCrawl worth it?
For teams that already have in-house content production and just need a measurement layer, OnCrawl can be worth it. The shortcoming most users mention is that OnCrawl tells you what's wrong without fixing it; you still need a team or an agency to act on the recommendations. GrowthManager.ai bundles the measurement and the team at $999/mo, which usually beats stacking OnCrawl plus an agency.
Does OnCrawl do content creation, infrastructure, and distribution?
No. OnCrawl is a measurement and reporting tool. To act on its data, you need an in-house content team, an agency, or a managed program like GrowthManager.ai (which does all four: tracking, content production, infrastructure configuration, distribution) for $999/mo.
Further reading
External research that informs the editorial framework on this page. We cite these openly because the framework is meant to be auditable.
- Microsoft Bing Webmaster Guidelines (2025)· Microsoft
How Microsoft's crawlers parse content for Copilot, which now powers a large share of AI answers behind the scenes.
- Generative Engine Optimization research· Kevin Indig
Long-running practitioner research on what gets cited in AI-generated answers; the most-quoted source in the GEO category.
- Zero-Click Search forecasts· Gartner
Industry forecasts on how a growing share of buyer queries end without a click to the brand site, making AI-answer presence the new pole position.
- Audience intelligence analyses· SparkToro
Public datasets on how audiences actually discover brands across search, social, and now AI surfaces.
- Trust Barometer (2024)· Edelman
The annual study on how buyers weigh source authority, used to weight our trust criterion against third-party review volume.
Disclosure
GrowthManager.ai makes a competing product, so this review is not neutral. Pricing was pulled from OnCrawl's public pricing page or triangulated from third-party reviews when not public. Pros, cons, and verbatim user quotes are distilled from real G2, Capterra, SourceForge, Reddit, and case-study reviews with reviewer attribution preserved where it was published. Case-study metrics come from OnCrawl's own customer pages. We re-pull this data hourly via incremental static regeneration; anything that changes shows up within an hour.