Definition
Oncrawl is a crawling and technical SEO analysis platform developed in France, designed for large-scale websites. The tool combines a powerful crawler capable of exploring millions of pages with a server log analyzer, offering a complete view of how Googlebot crawls and indexes a site. Oncrawl stands out for its cross-analysis features between crawl data, server logs, ranking data, and analytics data, enabling identification of correlations between technical issues and SEO performance. The platform offers advanced segmentation, interactive data visualizations, and customizable reports. It is a reference tool for technical SEO teams working on enterprise sites with crawl budget, indexation, and architecture challenges.
Key Points
- French enterprise SEO crawl platform for large-scale sites
- Cross-analysis of crawl, logs, rankings, and analytics
- Crawl budget optimization and indexation issue detection
Practical Examples
Crawl budget analysis
Cross-reference Oncrawl crawl data with your server logs to identify which pages consume the most Googlebot crawl budget and optimize distribution toward your strategic pages.
Indexation issue detection
Use Oncrawl to identify important pages that are not being crawled by Google, by comparing URLs crawled in logs with those discovered by the Oncrawl crawler.
Frequently Asked Questions
Oncrawl is primarily designed for large websites (over 10,000 pages). For smaller sites, Screaming Frog is generally sufficient and more accessible in terms of pricing.
The two tools are complementary. Screaming Frog is a desktop crawler ideal for one-time audits, while Oncrawl is a cloud platform suited for continuous monitoring of large sites with integrated log analysis.
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Last updated: 2026-02-07