Oncrawl vs Seolyzer in 2026: AI Bot Tracking vs Real-Time GSC Cross-Analysis
Both are demo-only enterprise platforms built around crawl and server log data, but they diverge on what they add to it. Oncrawl layers on AI bot tracking and AI-generated answer visibility. Seolyzer layers on real-time log streaming and a cross-analysis view that fuses crawl, log, and Google Search Console data.
Oncrawl
Seolyzer- Oncrawl tracks AI bot crawl activity from GPTBot, ClaudeBot, and PerplexityBot plus AI-generated answer visibility. Seolyzer has none of this; its own site states it has no AI search visibility tracking.
- Seolyzer streams Googlebot activity in real time as logs come in. Oncrawl's log analysis works by uploading server logs, which is a batch process rather than a live stream.
- Seolyzer's cross-analysis mode fuses crawl data, log data, and Google Search Console into one view, surfacing pages that are crawled but not indexed or that get GSC impressions Googlebot rarely visits.
- Both tools require a demo and disclose no public pricing. Neither has a self-serve signup or free trial.
- Seolyzer is GDPR compliant with European data hosting, which its FAQ calls out explicitly. Oncrawl does not mention GDPR or EU hosting anywhere in its published material.
- Seolyzer's API is used by ManoMano to pull millions of internal links for data science work, but API access is gated to the Professional and Enterprise tiers, not the entry Starter plan.
- Neither tool offers white-label client reporting on its public feature set.
Oncrawl and Seolyzer look similar on paper: both are cloud platforms that combine site crawling with server log analysis, both require a sales demo before you see a price, and both target enterprise technical SEO teams and agencies with large, complex sites. The difference is in what each platform does with the log data once it has it. Oncrawl extends its log analysis into AI search, tracking GPTBot, ClaudeBot, and PerplexityBot crawl activity alongside whether your content shows up in AI-generated answers. Seolyzer stays inside traditional search entirely, but goes further on the crawl-and-log side by streaming Googlebot activity in real time and fusing it with Google Search Console data in a single cross-analysis view. Neither tool publishes pricing, so the decision comes down to which extra dimension, AI search or GSC-level diagnostic depth, matters more to your team.
The tools at a glance
Oncrawl
Cloud-based technical SEO platform combining crawl data, log analysis, and AI bot tracking
Oncrawl combines crawl data, server log data, and performance data in one platform, and treats log analysis as a first-class feature rather than an add-on. You upload server logs and Oncrawl maps which URLs search engines actually visited against what your crawl found on the site, which is where crawl budget waste tends to show up.
What separates Oncrawl from a traditional crawl-plus-log tool is its move into AI search. It tracks crawl requests from GPTBot, ClaudeBot, and PerplexityBot at the URL level, and adds a separate layer that monitors whether your pages are being cited in AI-generated answers. For a technical SEO team that already reports on Googlebot behavior to leadership, folding AI crawler activity into the same report is a logical next step, and it is a capability Seolyzer does not have.
Access requires a sales conversation, same as Seolyzer, so there is no advantage on ease of evaluation between the two. Where Oncrawl differs from Seolyzer operationally is that its log analysis works from uploaded log files rather than a live stream, so there is inherently more lag between an event happening on your server and it showing up in the dashboard.
| Feature | Enterprise Contact for pricing |
|---|---|
| Pricing model | Custom, demo required |
Seolyzer
Technical SEO data platform combining site crawling, real-time log analysis, and Google Search Console in one interface
Seolyzer is built around three data sources fused into a single cross-analysis view: site crawl data, server log activity, and Google Search Console. Rather than looking at these separately, Seolyzer lets you see, for example, a page that GSC shows getting impressions but that Googlebot rarely visits, or a page that is crawled constantly but never gets indexed. That kind of discrepancy is invisible if you are only looking at one data source at a time.
The log analysis itself streams in real time rather than batching logs on a schedule, so you see Googlebot activity as it happens instead of waiting for a daily or weekly report. Combined with an API that ManoMano uses to pull millions of internal links for data science work, Seolyzer is clearly built to plug into larger technical workflows, not just serve as a standalone reporting dashboard. It is also GDPR compliant with EU-based hosting, which its own FAQ calls out directly.
What Seolyzer does not do is track AI search visibility in any form; its own site states this plainly. If GPTBot activity or AI-generated answer citations matter to your reporting, Seolyzer will not cover that ground, and you would need Oncrawl or a dedicated AI visibility tool alongside it.
| Feature | Starter Contact for pricing | Professional Contact for pricing | Enterprise Contact for pricing |
|---|---|---|---|
| Cross-analysis (data fusion) | No | Yes | Yes |
| API access | No | Yes | Yes |
| Scheduled / recurring crawls | No | Yes | Yes |
Head-to-head feature comparison
| Feature | Oncrawl | Seolyzer |
|---|---|---|
| Site crawling and audits | Yes | Yes |
| Server log file analysis | Yes, core feature | Yes, core feature |
| Real-time vs batch log processing | Batch (upload-based) | Real-time streaming |
| Cross-analysis / GSC data fusion | No | Yes |
| AI bot crawl tracking (GPTBot, ClaudeBot, etc.) | Yes (GPTBot, ClaudeBot, PerplexityBot) | No |
| AI-generated answer visibility monitoring | Yes | No |
| API access | Yes | Professional tier and above |
| GDPR-compliant / EU hosting | Not stated | Yes |
| Scheduled / recurring crawls | Yes | Professional tier and above |
| White-label reporting | No | No |
| Free trial / self-serve signup | No, demo required | No, demo required |
| Starting price | Custom (sales-led) | Custom (sales-led) |
Considering AI Peekaboo alongside Oncrawl and Seolyzer?
Oncrawl monitors AI-generated answer visibility, but it sits inside an enterprise plan with no published price and a required sales demo. Seolyzer does not track AI search visibility at all; its own FAQ confirms the platform focuses entirely on traditional crawl, log, and GSC data. AI Peekaboo tracks brand citations across ChatGPT, Gemini, Perplexity, Google AI Overviews, and Google AI Mode on self-serve plans from $50 a month, with a read and write API included from the first tier and no demo required. For a team that needs AI citation data without committing to a full enterprise crawl platform, it is a faster and cheaper way to get that specific coverage.
Read the AI Peekaboo review →Which should you choose?
OncrawlSeolyzerSeolyzerOncrawlSeolyzerSeolyzerOncrawlThis is a genuinely close call between two demo-gated enterprise platforms, because neither wins on price or ease of access; you have to book a call with both to even compare numbers. The real fork is what each platform treats as its frontier. Oncrawl bet on AI search, extending log analysis into GPTBot and ClaudeBot tracking plus AI answer citations. Seolyzer bet on depth within traditional search, building a real-time log stream and a GSC cross-analysis view that catches discrepancies a standard crawler never surfaces. Pick based on which frontier your reporting actually needs to cover this year.
Bottom line
Book the Oncrawl demo if AI bot crawl behavior and AI-generated answer citations need to sit in the same dashboard as your traditional crawl and log data. Book the Seolyzer demo if you need a real-time view of Googlebot activity fused with Google Search Console, and GDPR-compliant EU hosting is a requirement rather than a nice-to-have. If AI search visibility is the actual priority, Oncrawl covers more ground than Seolyzer, which has none.
Frequently asked questions
Does Seolyzer track AI Overviews or ChatGPT citations like Oncrawl does?
No, Seolyzer does not track AI search visibility in any form. Its own FAQ states the platform focuses entirely on traditional crawl health, log analysis, and Google Search Console data, with no LLM visibility or AI Overviews coverage. Oncrawl does track this, through AI bot crawl monitoring and AI-generated answer visibility.
Which tool gives a more real-time view of Googlebot activity, Oncrawl or Seolyzer?
Seolyzer streams Googlebot activity in real time as your server logs come in. Oncrawl's log analysis works by uploading server logs for processing, which is a batch workflow rather than a live stream, so there is more inherent lag before an event shows up in your dashboard.
Is Oncrawl or Seolyzer better for GDPR compliance and EU data hosting?
Seolyzer is the stronger fit for GDPR requirements. It is a French company, hosts data in Europe, and lists GDPR compliance explicitly as a feature. Oncrawl does not mention GDPR compliance or EU hosting anywhere in its published material, so you would need to confirm hosting location directly with their sales team during a demo.
Can I get pricing for Oncrawl or Seolyzer without booking a demo?
No, neither tool publishes pricing. Both Oncrawl and Seolyzer require a sales demo before you can see a number, and neither offers a self-serve signup or free trial. If a transparent, self-serve price is important, both fall short compared to lower-priced tools like Screpy or Sitebulb in the same category.
What does Seolyzer's cross-analysis feature actually show that a normal crawler does not?
Cross-analysis fuses crawl data, server log activity, and Google Search Console into one view, so you can see pages that are crawled but never indexed, pages GSC reports impressions for that Googlebot rarely visits, or structural issues that only appear once all three data sources are compared side by side. Oncrawl combines crawl and log data but does not integrate Google Search Console the same way.
Does either Oncrawl or Seolyzer offer an API for pulling crawl data into my own tools?
Both do, but with different access levels. Oncrawl's REST API exports crawl, log, and performance data and is available across its enterprise offering. Seolyzer's API, used by ManoMano to extract millions of internal links, is reserved for the Professional and Enterprise tiers and is not included on the entry Starter plan.