Top Website Crawlers for Agencies: 6 Tools Compared

What is the best web crawler tool for agencies?

The top web crawler tool for agencies is a cloud-based platform that automatically audits multiple client websites, detects technical SEO issues, integrates Google Search Console dashboard and GA4 data, prioritizes fixes, sends alerts, and generates white-label reports in a collaborative dashboard – all in one place.

What SEO agencies need from a best web crawler software

Advanced crawl configuration: flexible control over depth, speed, and user agents to audit any website type.

Comprehensive content crawling: scan JavaScript, images, CSS, and noindex/nofollow pages for full technical coverage.

Smart issue detection: identify orphan pages, indexability problems, and priority errors automatically.

Automation & API access: schedule recurring audits, receive alerts, and integrate results into agency dashboards.

White-label client reporting: deliver branded reports and dashboards clients can easily understand.

Multi-project & team management: monitor multiple client sites with shared access and role-based permissions.

Integration with GSC & GA4: connect crawl data with real performance metrics for deeper SEO insights.

The best web crawler for agencies does more than scan pages, it automates audits, generates client-ready reports, tracks performance, and supports teamwork. See how top crawlers compare across the key features SEO agencies need most.

Compare the best website crawlers for agencies

Sitechecker delivers full-scale crawling automation and monitoring in a single cloud platform, combining continuous scans, real-time alerts, white-label dashboards, and unlimited team access.

Perfect for agencies that need to audit, monitor, and report technical SEO health across multiple client sites automatically.

1. Sitechecker Website Crawler is the best choice for SEO agencies

Here is why:

Unified dashboard for all projects

Track crawl metrics and website scores for all client sites in one SEO dashboard. Each project has its own crawl settings and alert preferences. Easily share access with teammates or clients for transparent collaboration.

Cloud-based real-time crawling

Sitechecker runs all website audits directly in the cloud, no software installation, no hardware limits, and no need to schedule or manually trigger scans. The crawler starts analyzing your website immediately after project setup and processes hundreds of pages in seconds.

Fast, flexible, and accurate audit

Sitechecker scans websites in minutes, delivering precise technical SEO insights without manual setup. You can control crawl depth, speed, and user agents to match project needs.

The crawler analyzes JavaScript, CSS, images, and external links for complete accuracy. Fast, configurable, and cloud-based – it adapts to any website size or audit goal.

Prioritized issue reports with fix guides

Sitechecker automatically ranks all issues by severity, from critical errors to quick fixes. Each includes clear text and video instructions on how to resolve it. You can filter issues by category and see affected pages instantly. Fix priorities help teams act faster and boost overall website health.

Email alerts & continuous monitoring

Sitechecker automatically monitors websites as often as you need, every 12 hours, daily, weekly, or on a custom schedule. You can receive instant alerts via email or Slack when pages break, redirects change, or robots.txt and indexability settings are updated.

Monitoring runs fully in the cloud, no manual checks or re-crawls required. This ensures your team reacts fast and keeps client websites healthy at all times.

White-label reporting & collaboration

You can share live white-label SEO dashboards under your own domain, complete with your agency’s logo and colors. Export branded PDF reports or give teammates and clients real-time access to results, no extra licenses required.

Collaborate, assign tasks, and track fixes together, all in one transparent workspace.

Crawling & indexing metrics from GSC

Sitechecker integrates directly with the Search Console API, showing crawling and indexing data for each page right inside the audit. You can check coverage, last crawl date, canonical status, and mobile usability without leaving the platform.

No need to open GSC, all indexing insights are synced automatically and displayed next to technical SEO metrics.

Learn more about Sitechecker pricing.

2. Screaming Frog

Screaming Frog SEO Spider is a well-known desktop-based crawler trusted by SEO professionals for precise, one-time technical audits. It provides full control over crawl configuration, allowing users to analyze broken links, redirects, duplicate content, and missing tags in depth.

Pros:
✅ Highly customizable crawl settings (depth, speed, parameters, exclusions)
✅ Accurate and comprehensive data for detailed audits
✅ Affordable one-time license for individual users

Cons:
❌ Desktop-only, no cloud or multi-user access
❌ Manual setup and local storage required
❌ No automated dashboards or client-sharing options

Screaming Frog excels as a fast, precise technical auditing tool but lacks the automation, scalability, and collaborative features agencies need for continuous SEO monitoring.

3. Lumar (formerly Deepcrawl)

Lumar is an enterprise-level, cloud-based crawler built for large websites and complex SEO infrastructures. It specializes in deep, large-scale scans and data visualization, helping technical SEO teams uncover structural issues and monitor site health across millions of URLs.

Pros:
✅ Cloud-based crawling designed for enterprise scalability
✅ Advanced segmentation, filters, and crawl scheduling
✅ Integrations with Google Data Studio, Looker, and BI tools

Cons:
❌ Enterprise-only pricing with custom quotes, not accessible for small agencies
❌ Complex setup and onboarding compared to simpler tools
❌ Reporting and dashboard customization often require external integrations

Lumar is ideal for large organizations that need detailed technical insights and enterprise data governance. However, its complexity, pricing model, and lack of agility make it less practical for smaller SEO agencies focused on fast, client-facing workflows.

4. OnCrawl

OnCrawl is a cloud-based SEO crawler and log analyzer designed for enterprise and data-driven SEO teams. It connects crawl data with real user and traffic signals to provide a comprehensive view of how search engines and users interact with a website.

Pros:
✅ Cloud-based infrastructure for scalable, large-site crawling
✅ Powerful log file analysis to track bot behavior and crawl frequency
✅ Advanced data visualizations and customizable reports
✅ Integrations with Google Data Studio, BigQuery, and BI platforms

Cons:
❌ Enterprise-oriented pricing, less accessible for small agencies
❌ Requires setup and data configuration for optimal insights
❌ No real-time issue alerts or continuous monitoring

OnCrawl excels at combining crawl and log data to deliver advanced SEO insights for technical teams.

However, its complexity, cost, and lack of real-time monitoring make it better suited for enterprise use than for agile agency workflows.

5. Botify

Botify is an enterprise-grade SEO platform that combines crawling, log file analysis, and keyword data to optimize large and complex websites. It’s designed for organizations that need advanced control over how search engines access and index their content at scale.

Pros:
✅ Enterprise-level crawler with advanced log analysis and JavaScript rendering
✅ Data-driven insights linking crawl data with organic performance metrics
✅ Integrations with analytics, data warehouses, and reporting tools

Cons:
❌ Enterprise contracts only, no public plans
❌ Complex setup requiring technical expertise and onboarding
❌ Overkill for smaller agencies or quick audits

Botify is a robust solution for large enterprises that need deep SEO data correlation and technical control. While powerful, its complexity and pricing make it less suitable for agencies that require fast, client-ready audits and automated reporting.

6. Sitebulb

Sitebulb is a desktop-based SEO auditing tool known for its clear visualizations and user-friendly reporting. It’s widely used by consultants and small agencies to explore technical issues, internal linking, and crawl structure through interactive charts and graphs.

Pros:
✅ Highly visual reports that make complex data easy to understand
✅ Simple setup with intuitive navigation and audit scoring
✅ JavaScript rendering and in-depth link analysis

Cons:
❌ Desktop-only, no cloud access or team collaboration
❌ Manual setup and local storage required for each project
❌ No real-time monitoring or automated alerts

Sitebulb is ideal for freelancers and small agencies that need clear, visual technical audits. However, it lacks the automation, scalability, and shared dashboards required for continuous monitoring and multi-client management.

Bottom line

Each web crawler serves a different audience and purpose. Screaming Frog and Sitebulb are reliable desktop tools for precise one-time audits but lack automation and scalability. Lumar, OnCrawl, and Botify deliver powerful enterprise crawling and data integrations, yet their complexity and cost limit accessibility for smaller teams. Sitechecker, in contrast, combines real-time cloud crawling, automated alerts, and white-label dashboards in a single platform.

It bridges the gap between affordability and advanced functionality, making it the most balanced and efficient choice for SEO agencies managing multiple client websites.