
Lumar (formerly Deepcrawl) - Detailed Review
SEO Tools

Lumar (formerly Deepcrawl) - Product Overview
Primary Function
Lumar is designed to help businesses and SEO professionals identify and resolve technical SEO issues. It does this through its advanced website crawling capabilities, which can analyze up to 450 URLs per second for unrendered content and 350 URLs per second for JavaScript-rendered content.
Target Audience
Lumar is primarily aimed at SEO professionals, agencies, and enterprise-level businesses that need to ensure their websites are technically optimized for search engines. This includes teams responsible for managing large-scale websites with complex structures or technical challenges.
Key Features
Advanced SEO Reporting
Lumar identifies over 250 key technical SEO elements, including site speed issues (through integration with Google Lighthouse) and web accessibility problems. It provides detailed insights into website health, crawlability, and search engine performance.
Ultra-Fast Website Crawling
The platform’s crawler is built using serverless architecture, ensuring fast and accurate crawling of large websites. This significantly reduces the time needed for a full website crawl, which can be crucial for enterprise websites.
Customizable Crawling
Users can target crawlers to specific webpages or segments and perform ad-hoc crawls to obtain the insights they need quickly.
AI-Powered Workflow
Lumar offers automated AI-based suggestions and ticket creation, enabling efficient and timely issue resolution. This helps streamline SEO and broader digital operations.
Rich Test Suites
The platform allows for the creation of pre-production environments to test content performance, identify potential issues, and mitigate risks before content is published.
Real-Time Monitoring
Lumar continuously monitors a website’s technical health, catching issues like broken links, crawl errors, and mobile usability problems early, so they can be addressed quickly.
Data Visualizations and Industry Benchmark Reports
The platform provides data visualizations, website health scores, and industry benchmark reports to give a comprehensive view of the website’s overall technical health and performance.
Overall, Lumar serves as a centralized command center for website teams, helping them manage website health, streamline reporting, and focus on activities that drive traffic and revenue.

Lumar (formerly Deepcrawl) - User Interface and Experience
User Interface Overview
The user interface of Lumar, a comprehensive website optimization platform, is crafted to be user-friendly and intuitive, especially for those focused on technical SEO, site speed, and web accessibility.
Ease of Use
Lumar is praised for its clear and logical layout. Users appreciate that the platform presents data in a way that is easy to interpret, with high-level health scores and visualizations that simplify the process of identifying and prioritizing issues. This makes it easier for users to focus on the most critical problems without getting overwhelmed by the sheer volume of data.
User Experience
The platform is described as “seamless” to work with, thanks to its organized and accessible interface. Users can see all issues in one place, which helps in staying on top of progress and managing tasks efficiently. The inclusion of in-built tasks and alerts ensures that major issues are caught before they impact traffic or revenue.
Feedback and Support
Users highlight the responsiveness and helpfulness of the Lumar team. If users have questions or need assistance, they receive prompt responses, which enhances the overall user experience and reduces downtime.
Customization and Flexibility
Lumar offers customizable crawling options, allowing users to target specific webpages or segments and perform ad-hoc crawls as needed. This flexibility, combined with AI-powered workflow suggestions and automated ticket creation, makes issue resolution more efficient and timely.
Potential Drawbacks
While the interface is generally user-friendly, some users have noted that the extensive amount of data generated by the crawler can be overwhelming. There is a need for better filtering options and clearer suggestions on the most pressing issues to maintain focus on problem-solving.
Conclusion
Overall, Lumar’s user interface is designed to be clear, logical, and supportive, making it easier for users to manage and improve their website’s technical health and performance.

Lumar (formerly Deepcrawl) - Key Features and Functionality
Lumar Overview
Lumar, formerly known as DeepCrawl, is a powerful SEO tool that leverages AI to optimize and audit website performance. Here are the main features and how they work:
SEO Auditing and Monitoring
Lumar is renowned for its lightning-fast crawlers, capable of analyzing up to 450 URLs per second. This speed is crucial for conducting detailed SEO audits of large-scale websites without delays.
- SEO Auditing: Lumar evaluates a website’s overall SEO health by identifying issues such as page availability, indexability, duplicate content, and missing image elements. It provides over 250 reports to ensure no technical SEO issue is overlooked.
- SEO Alerting: The tool delivers instantaneous notifications to alert users to significant issues or changes that could compromise a website’s SEO health. This real-time monitoring helps in prompt issue resolution.
Technical SEO
Lumar focuses heavily on technical SEO, which includes:
- Advanced SEO Reporting: It identifies and reports on technical SEO elements, site speed (through integration with Google Lighthouse), and web accessibility issues. This comprehensive reporting helps in addressing critical technical aspects of SEO.
- Technical SEO Issues: Lumar’s AI technology prioritizes technical SEO issues based on severity, ensuring that the most critical problems are addressed first. Issues such as broken pages, non-indexable pages, and missing hreflang attributes are promptly identified and reported.
Site Speed and Web Accessibility
- Site Speed Analysis: Lumar analyzes your site’s speed and provides a score based on the latest Core Web Vitals. It suggests top changes to prioritize, such as text compression or slow server response time, to improve site speed.
- Web Accessibility: The tool ensures web accessibility by suggesting changes based on the Web Content Accessibility Guidelines (WCAG). This is facilitated by AI-assisted recommendations using OpenAI’s ChatGPT.
AI-Powered Workflow
- Automated QA Testing: Lumar Protect, a notable feature, integrates into your CI/CD pipeline to identify technical SEO issues during development rather than after the site goes live. It includes over 350 automated quality assurance tests, including site speed and accessibility tests.
- AI-Assisted Recommendations: The AI technology in Lumar provides automated suggestions and ticket creation, enabling efficient and timely issue resolution. This helps in streamlining the process of fixing SEO issues.
Customizable Crawling
- Targeted Crawling: Lumar allows for customizable crawling, targeting specific webpages or segments. This feature enables ad-hoc crawls to obtain the insights you need when you need them, making it highly flexible for different SEO needs.
Content Performance and SEO Templates
- Content Performance: Lumar offers SEO templates that enable you to check your content performance and identify potential issues before they are published on your site. This pre-production testing helps in mitigating risks and ensuring high-quality content.
- Rich Test Suites: The tool creates pre-production environments to test content performance, identify potential issues, and mitigate risks. This ensures that content is optimized before it goes live.
Team Collaboration and Reporting
- Team Coordination: Lumar facilitates team coordination by sharing findings on the platform, simplifying SEO task management. This helps in ensuring that all team members are on the same page regarding SEO issues and their resolutions.
- Custom Reports: Users can build customized SEO reports, and the tool also supports white label reporting, allowing users to add their own branding to SEO reports.
Continuous Real-Time Monitoring
- 24/7 Monitoring: Lumar facilitates real-time, 24/7 website monitoring. This automated monitoring replaces the need for manual site audits at regular intervals, providing immediate insights into website issues.
By integrating these features, Lumar provides a comprehensive solution for technical SEO, site speed, and web accessibility, making it an invaluable tool for optimizing and maintaining large-scale websites.

Lumar (formerly Deepcrawl) - Performance and Accuracy
Performance
Lumar stands out for its exceptional crawling speed, capable of analyzing up to 450 URLs per second, making it ideal for large-scale websites.Key Performance Features
- This speed is facilitated by its serverless architecture, allowing it to crawl as fast as the user’s infrastructure permits.
- The tool is highly scalable and can handle massive sites with millions of URLs, which is a significant advantage for enterprise-level businesses.
Accuracy
Lumar provides highly accurate and detailed technical SEO audits, identifying issues such as broken links, redirect chains, duplicate content, site structure problems, and indexability issues.Accuracy Enhancements
- It integrates with tools like Google Lighthouse to provide comprehensive insights into site speed and Core Web Vitals, ensuring that the data is accurate and relevant.
- The platform also handles JavaScript rendering and log file analysis, which is crucial for optimizing how search engines crawl and index JavaScript-heavy websites.
Features and Functionality
Lumar offers a wide range of features that enhance its performance and accuracy:Notable Features
- Advanced SEO Reporting: It identifies over 250 key technical SEO elements, site speed issues, and web accessibility problems.
- Custom Reporting and Automation: The platform provides customizable reports and automated SEO workflows, which help teams track key SEO metrics and monitor technical issues efficiently.
- Traffic Funnel: This feature gives an overview of the availability, indexability, uniqueness, and rankability of pages, helping users quickly identify potential issues.
- AI-Powered Workflow: Lumar offers automated AI-based suggestions and ticket creation, enabling efficient and timely issue resolution.
Limitations and Areas for Improvement
While Lumar is strong in technical SEO, it has some limitations:Identified Limitations
- No Keyword Research Tools: Lumar does not include tools for keyword research, such as search volume analysis or competitive keyword analysis. This means users need to rely on other tools for these functions.
- No Rank Tracking or Backlink Monitoring: Unlike some other SEO tools, Lumar does not offer rank tracking or backlink monitoring, which are crucial for managing off-page SEO and tracking keyword performance.
- Limited Competitor Analysis: The tool does not provide features for tracking competitors’ SEO strategies, which can be a disadvantage for users needing a more holistic SEO approach.
- Data Overload: Some users have noted that the sheer volume of data returned from the audits can be overwhelming, making it necessary to prioritize issues carefully.
- User Interface: While the UI is generally logical and well-organized, some users find it overwhelming at first and suggest easier filtering options or a more user-friendly interface for focused problem-solving.
User Experience and Support
Lumar is praised for its support and user experience:User Experience Highlights
- The platform is user-friendly once familiarized, with helpful hints and clear visualizations that make it easier to prioritize and communicate issues to stakeholders.
- The support team is highly responsive and helpful, providing valuable insights and assistance in setting up and troubleshooting the tool.

Lumar (formerly Deepcrawl) - Pricing and Plans
Pricing Structure of Lumar
The pricing structure of Lumar (formerly DeepCrawl) is not publicly disclosed in a detailed, tiered format. Here are some key points that can help you understand their pricing model:Pricing Model
Lumar’s pricing is quotation-based, meaning you need to contact their team to get a personalized quote. The cost is largely dependent on your specific web performance requirements and the number of URLs that need to be crawled.Estimated Costs
- The estimated median annual cost for Lumar’s Analyze plan is around $32,000, which translates to approximately $2,667 per month for crawling 5 million URLs.
Features and Plans
While the exact tiers and their corresponding features are not publicly available, here are some general features associated with Lumar’s plans:- Lumar Analyze: Includes advanced website crawling capabilities, technical SEO metrics, site speed, and accessibility metrics. It also offers over 350 built-in reports and automated QA tests.
- Lumar Monitor, Lumar Protect, and Lumar Impact: These plans likely offer additional features such as continuous monitoring, protection, and impact analysis, but the specifics are not detailed publicly.
No Free Options
There are no free trials or freemium models available for Lumar. Users must contact the company for a customized pricing quote.Enterprise Focus
Lumar is positioned as a website intelligence platform primarily aimed at larger enterprises, which is reflected in its pricing. This makes it less accessible to smaller agencies and freelancers due to the high costs involved. If you need precise pricing and a detailed breakdown of features, it is recommended to contact Lumar directly for a personalized quote.
Lumar (formerly Deepcrawl) - Integration and Compatibility
Lumar: A Leading Platform in Technical SEO Solutions
Lumar offers a range of integrations and compatibility features that enhance its usability and functionality across various platforms and devices.
Integrations with Other Tools
Lumar integrates seamlessly with several key tools to provide a comprehensive view of website health and SEO performance. Here are some notable integrations:
Google Search Console
Lumar allows users to integrate Google Search Console analytics with their crawl data. This integration helps identify issues such as thin, duplicate, or empty pages, non-indexable pages getting traffic, and orphaned pages. It also enables the creation of customized reports using over 250 metrics combined with Search Console data.
Business Intelligence Tools
Lumar can be connected to business intelligence platforms like BigQuery and Google Data Studio. This allows users to visualize their website health data and show the business impact of their SEO, site speed, and accessibility work. Integrations with data science tools such as Python Pandas, Jupyter, and Dataiku are also supported.
Pi Datametrics
Lumar has a data exchange partnership with Pi Datametrics, an SEO and Search Intelligence platform. This collaboration brings Lumar’s technical SEO data directly into the Pi Datametrics suite, providing users with a more comprehensive view of their SEO performance and the relationship between website technical health and organic search rankings.
Compatibility Across Devices and Platforms
Lumar ensures compatibility across various devices and platforms:
User Agents
Lumar offers a wide range of user agents for crawling, including those for common search engines, desktop browsers, and mobile devices. By default, it crawls as Googlebot Smartphone, but users can also add custom user agents.
Tech Stack Integration
Lumar’s data can be integrated with existing tech stacks and business intelligence platforms, ensuring that website health data is accessible and secure across different platforms. Lumar is SOC 2 Type 2 certified, ensuring the security of the data integrations.
API Flexibility
Lumar provides a GraphQL API that allows users to create custom applications and integrate Lumar’s features into their own environment using their preferred programming language and platform.
Conclusion
In summary, Lumar’s integrations and compatibility features make it a versatile and powerful tool for managing and optimizing website health and SEO performance, ensuring that users can leverage its capabilities across a wide range of devices and platforms.

Lumar (formerly Deepcrawl) - Customer Support and Resources
Customer Support
For current customers, Lumar provides several support channels:
- Email Support: You can reach out to the support team via email at support@lumar.io for any technical or operational issues.
- Phone Support: Lumar offers phone support in both the US and the UK. You can call 1 646 741 0037 in the US or 44 (0) 20 8068 0716 in the UK.
Additional Resources
Lumar provides a range of resources to help users get the most out of their platform:
- Actionable Insights and Reports: The platform generates detailed reports highlighting key technical SEO issues such as broken pages, dead-end links, and content that doesn’t meet Google’s best-practice guidelines. These reports are easy to understand and help users identify and fix problems promptly.
- Automated Crawls: Lumar performs weekly automated crawls of your site, tracking progress and alerting you to any changes that might impact your organic performance. This feature helps in maintaining continuous monitoring of your website’s health.
- Cloud-Based Crawling: The cloud-based crawling feature avoids local resource drain, ensuring that your website’s analysis does not impact your local system resources.
- Guidance and Recommendations: The platform offers informative guidance to boost your technical SEO knowledge. It provides AI-powered suggestions and automated ticket creation to facilitate efficient issue resolution.
- Integration with Other Tools: Lumar can be integrated with tools like Google Analytics, Google Search Console, and Majestic data, making it easier to gather and analyze data from multiple sources.
User Testimonials and Feedback
Lumar also benefits from user testimonials and feedback, which highlight the tool’s strengths and areas for improvement. Users appreciate the tool’s ability to crawl large websites quickly and diagnose issues, although some users note that the sheer volume of data can be overwhelming and suggest the need for easier filtering options.
By providing these support options and resources, Lumar ensures that users can effectively manage and improve their website’s technical SEO, making it a valuable tool for SEO professionals and marketing teams.

Lumar (formerly Deepcrawl) - Pros and Cons
Advantages of Lumar
Lumar, formerly known as DeepCrawl, offers several significant advantages that make it a valuable tool for SEO professionals, agencies, and enterprise-level businesses:Advanced Crawling Capabilities
Lumar boasts the fastest website crawler on the market, capable of analyzing up to 450 URLs per second. This speed is crucial for conducting detailed SEO audits of large-scale websites without any complications.Comprehensive Technical SEO Audits
The platform provides in-depth technical SEO audits that identify issues such as broken links, redirect chains, duplicate content, site structure problems, and indexability issues. These insights help optimize the website for both search engines and user experience.Real-Time Monitoring
Lumar continuously monitors the health of your website, providing real-time insights into technical problems related to page speed, mobile usability, and security. This ensures that issues are caught early and can be addressed quickly.Custom Reporting and Automation
The platform offers customizable reports and automated SEO workflows, making it easy for teams to track key SEO metrics, monitor technical issues, and ensure website health over time. This includes AI-powered workflow automation that offers automated AI-based suggestions and ticket creation.JavaScript Rendering and Log File Analysis
Lumar can handle JavaScript rendering and perform log file analysis, which is particularly beneficial for businesses with JavaScript-heavy websites or those looking to optimize how search engines crawl their site.Scalability for Large Websites
Lumar is designed for large-scale websites and enterprise-level businesses, offering advanced crawling capabilities that can analyze even the most complex site architectures.User-Friendly Interface and Support
Despite the wealth of data, Lumar lays out the information in a logical way with high-level health scores and visualizations, making prioritization and communication with stakeholders easier. The support team is also noted for being friendly, helpful, and responsive.Disadvantages of Lumar
While Lumar is highly specialized and effective in its domain, it has some limitations:Data Overload
The sheer volume of data returned from the audits can be overwhelming. Users may find it challenging to prioritize issues due to the extensive amount of information provided.No Rank Tracking
Lumar does not offer rank tracking for keywords, which is a core feature for tracking SEO performance. This means users need to use additional tools to monitor keyword rankings.No Keyword Research Tools
The platform is focused solely on technical SEO and does not include tools for keyword research, such as search volume analysis, keyword difficulty, or competitive analysis.No Backlink Monitoring
Lumar lacks the capability to monitor backlinks, which is crucial for managing off-page SEO and improving domain authority. Users would need to use other tools for this purpose.Limited Competitor Analysis
Unlike some other SEO tools, Lumar does not provide features for tracking competitors’ SEO performance, such as their keyword rankings, backlinks, and overall SEO strategies.Specialized Focus
While Lumar is excellent for technical SEO and website health monitoring, it lacks the broader SEO management features found in more holistic SEO platforms. This means it might not be the best choice for users needing a comprehensive SEO solution that includes keyword tracking, backlink monitoring, and competitor analysis.
Lumar (formerly Deepcrawl) - Comparison with Competitors
When Comparing Lumar (formerly Deepcrawl) with Other SEO Tools
Unique Features of Lumar (formerly Deepcrawl)
- Deep Crawling and URL Discovery: Lumar is renowned for its ability to crawl deep web pages, including dynamic content and pages not internally linked, making it highly effective for large-scale websites.
- Indexation Analysis: It accurately assesses which web pages are indexed and identifies any indexing issues, which is crucial for SEO health.
- Technical SEO: Lumar provides comprehensive technical SEO audits, monitoring, and change tracking, helping users identify and fix technical issues efficiently.
- SEO Alerting and Change Tracking: The tool delivers instantaneous notifications for significant SEO issues and maintains a record of changes to website content or infrastructure.
Alternatives and Competitors
Semrush
- Semrush is often cited as one of the best overall alternatives to Lumar. It offers a wide range of features including site audits, backlink gap analysis, keyword research, and position tracking. Semrush Copilot, an AI-powered assistant, provides personalized SEO recommendations based on various Semrush tools.
- Key Features: SEO data organization, search performance analysis, daily alerts, and competitor updates.
Botify
- Botify is another strong alternative, particularly for enterprise search marketers. It provides unparalleled data and insights to optimize site structure and increase organic, social, and mobile traffic.
- Key Features: Data-driven insights for site optimization and traffic improvement.
Siteimprove
- Siteimprove offers a comprehensive Digital Presence Optimization (DPO) software. It provides insights to optimize website performance, content, and accessibility.
- Key Features: Visibility into website performance, content optimization, and accessibility compliance.
Ahrefs
- Ahrefs is a well-regarded tool in the SEO space, offering features such as backlink analysis, keyword research, and content optimization. While it doesn’t have the same deep crawling capabilities as Lumar, it is strong in other areas of SEO.
- Key Features: Backlink analysis, keyword research, and content optimization.
AI-Driven SEO Tools
For those looking for AI-driven SEO tools, here are some alternatives:
ContentShake AI
- This tool generates SEO-friendly content and can be a good option for content creation needs.
Clearscope and SurferSEO
- Both tools are focused on SEO content optimization and can help in creating advanced SEO content.
Indexly
- Indexly helps in getting pages indexed faster and tracks technical SEO issues automatically, which can complement Lumar’s features.
Summary
Lumar (formerly Deepcrawl) stands out with its deep crawling capabilities, comprehensive technical SEO audits, and indexation analysis. However, alternatives like Semrush, Botify, and Siteimprove offer a broader range of SEO features and might be more suitable depending on specific needs. For AI-driven solutions, tools like ContentShake AI, Clearscope, and Indexly can provide additional benefits in content creation and optimization.

Lumar (formerly Deepcrawl) - Frequently Asked Questions
Here are some frequently asked questions about Lumar (formerly DeepCrawl) along with detailed responses:
What is Lumar and what does it do?
Lumar is an SEO tool renowned for its advanced web crawling technology and comprehensive analytics. It helps businesses optimize their website performance by identifying critical technical issues, performance bottlenecks, and enhancing search visibility. Lumar provides features such as site audits, accessibility checks, and customizable dashboards to drive more traffic and conversions.How fast is Lumar’s crawling capability?
Lumar’s crawlers are exceptionally fast, capable of analyzing up to 450 URLs per second. This speed makes it ideal for conducting detailed SEO audits of large-scale websites without complications.What are the key features of Lumar?
Lumar offers several key features, including:Traffic funnel:
Provides an overview of the availability, indexability, uniqueness, and rankability of your pages.Advanced SEO reporting:
Identifies over 250 key technical SEO elements, site speed (through integration with Google Lighthouse), and web accessibility issues.Rich test suites:
Creates pre-production environments to test content performance and identify potential issues.AI-powered workflow:
Offers automated AI-based suggestions and ticket creation for efficient issue resolution.Customizable crawling:
Targets crawlers to specific webpages or segments and allows for ad-hoc crawls.Comprehensive site audits:
Includes checks for meta tags, thin content, and Core Web Vital scores.Detailed accessibility metrics:
Helps ensure web accessibility compliance.How does Lumar help with SEO task management?
Lumar facilitates team coordination and simplifies SEO task management by providing actionable recommendations for fixes. The findings are shared on the platform, enabling teams to prioritize fixes swiftly and monitor changes over time. It also offers SEO templates to check content performance and identify potential issues before publication.Is there a free trial or free version of Lumar?
There is no free trial or free version of Lumar available. Customers need to request a pricing quote and demo to get started.How much does Lumar cost?
The pricing for Lumar is not publicly disclosed and varies based on the specific needs of the customer. However, third-party sources indicate that the annual subscription for Lumar can be around $32,000, which translates to approximately $2,667 per month for crawling 5 million URLs.What kind of support does Lumar offer?
Lumar provides automated AI-based suggestions and ticket creation to help resolve issues efficiently. Additionally, the platform’s user-friendly interface and customizable dashboards enable teams to make informed decisions and foster collaboration across departments.Can Lumar be customized to meet specific needs?
Yes, Lumar offers customizable crawling options, allowing users to target specific webpages or segments and perform ad-hoc crawls as needed. It also supports custom extraction using regex to extract key information from the site.How does Lumar handle web accessibility checks?
Lumar includes detailed accessibility metrics as part of its comprehensive site audits. This feature helps businesses ensure their websites comply with web accessibility standards and identify any issues that need to be addressed.Is Lumar suitable for small businesses or startups?
Lumar is generally more suited for large enterprise companies due to its high cost. The tool’s pricing and features are more aligned with the needs of larger organizations, making it less accessible to small businesses or startups.