About
OnCrawl is a comprehensive technical SEO intelligence platform built for websites that demand scalability and precision. It collects and analyzes crawl data, log files, and ranking signals, then blends them with third-party sources to give SEO teams a full picture of how search engines—and increasingly, AI agents—explore and interpret their websites. At its core, OnCrawl offers a powerful SEO crawler capable of handling large, technically complex sites, paired with a robust Log Analyzer that tracks how bots actually navigate your pages. Its AI Bot Monitoring feature detects visits from LLM crawlers such as OpenAI, Claude, Mistral, and Perplexity, allowing teams to understand the impact of AI-driven crawling on their ecosystem. OnCrawl Lenses provide focused, challenge-aligned views into site performance, making it faster to identify critical issues. The AI-powered Content Lens evaluates page quality and delivers specific, actionable recommendations to improve visibility. The platform features a rich segmentation engine that allows teams to group pages and break down website sections to spot trends, identify quick wins, and determine project priority. Its permanent data history enables before/after scenario analysis and long-term performance tracking. OnCrawl is purpose-built for technical SEOs, developers, product teams, and content teams at enterprise companies, media sites, and e-commerce businesses looking to quantify and prove the ROI of technical SEO investments.
Key Features
- SEO Crawler: Crawls large and technically complex websites at scale, identifying critical technical SEO issues and providing actionable data to improve search visibility.
- SEO Log Analyzer: Analyzes server log files to show exactly how search engine bots navigate your site, helping optimize crawl budget and identify indexing gaps.
- AI Bot Monitoring: Detects and analyzes visits from AI crawlers including OpenAI, Claude, Mistral, and Perplexity, measuring their footprint and impact on your SEO ecosystem.
- OnCrawl Lenses: Focused, challenge-aligned data views that guide users through complex datasets, making it easier to spot critical issues and act on them faster.
- AI-Powered Content Lens: Evaluates actual content quality using AI, delivering specific recommendations to address SEO underperformance and improve page-level visibility.
Use Cases
- Auditing a large e-commerce website to uncover crawl budget waste, broken links, and indexation issues at scale.
- Monitoring AI bot activity to understand how LLM crawlers interact with site content and adapt SEO strategy accordingly.
- Analyzing server logs to validate how Googlebot and other search bots navigate the site versus the intended crawl path.
- Segmenting pages by category or template type to identify quick-win SEO opportunities and prioritize technical fixes.
- Tracking technical SEO performance over time to build before/after reports and quantify the business ROI of SEO initiatives.
Pros
- Enterprise Scalability: Built to handle very large datasets and technically complex websites common in e-commerce, job boards, classified ads, and media platforms.
- AI Bot Visibility: Unique capability to detect and analyze LLM crawlers, providing forward-looking insights as AI reshapes the search landscape.
- Cross-Data Analysis: Blends crawl data, log data, ranking signals, and third-party sources to give a holistic view of technical SEO performance and business KPIs.
- Permanent Data History: Stores historical data for long-term trend analysis and before/after scenario comparisons, enabling teams to prove the value of SEO investments.
Cons
- Enterprise-Level Pricing: No visible self-serve free tier; access requires booking a demo, making it less accessible for small businesses or individual practitioners.
- Steep Learning Curve: The depth and breadth of features can be overwhelming for SEO beginners or teams without dedicated technical SEO resources.
- Setup Complexity: Integrating log files and reconciling third-party data sources requires technical configuration that may demand developer involvement.
Frequently Asked Questions
What is OnCrawl and who is it for?
OnCrawl is a technical SEO data platform designed for large, complex, or competitive websites. It's best suited for enterprise technical SEO teams, developers, product managers, and content teams at e-commerce companies, media sites, and classified ad platforms.
Can OnCrawl detect AI bots crawling my website?
Yes. OnCrawl's AI Bot Monitoring feature detects visits from LLM crawlers such as OpenAI, Claude, Mistral, and Perplexity, allowing you to analyze their behavior and measure their impact on your SEO.
What is the difference between OnCrawl's SEO Crawler and Log Analyzer?
The SEO Crawler simulates how search engines explore your site to identify technical issues, while the Log Analyzer processes actual server log files to show real bot behavior and how crawl budget is being used.
What are OnCrawl Lenses?
OnCrawl Lenses are focused analysis views aligned to specific SEO challenges. They simplify complex datasets by surfacing the most relevant insights for a given problem, helping teams act faster and smarter.
Does OnCrawl support API access for custom integrations?
Yes. OnCrawl provides an API that allows teams to use collected data in custom tools, analyses, and workflows, enabling deeper integration with existing business intelligence and reporting systems.
