Oncrawl vs Siteimprove

by Gralio May 03, 2025

Oncrawl and Siteimprove cater to different website optimization needs. Oncrawl excels in deep technical SEO analysis, log file examination, and handling complex sites, making it suitable for businesses prioritizing intricate SEO improvements. Siteimprove offers a broader suite encompassing SEO, website accessibility, quality assurance, and content analytics, better serving organizations needing a holistic tool for overall website health and compliance management.

At Gralio.ai we help to simplify your decision-making process by offering detailed, side-by-side software comparisons like this one, to help you confidently choose the tool that aligns with your business goals.

This comparison was created by analysing 441 reviews and 60 websites, saving 2 hours, 57 minutes of reading.

About

Oncrawl is an enterprise-level SEO tool designed to analyze and improve website performance in search results. It offers website crawling, log file analysis, and reporting features that help identify technical SEO issues hindering visibility. Oncrawl is known for handling large, complex websites, making it suitable for businesses with substantial online presences. It provides insights into how search engines interact with your website, allowing you to optimize content and fix technical problems. This helps improve your website's ranking in search results, driving more organic traffic and potential customers.
Siteimprove helps you create a better website experience for your visitors. It brings together tools to analyze website traffic, improve search engine rankings, make your website more accessible, and ensure consistent branding. Siteimprove provides data and insights to improve your website content and track marketing performance. Over 7,000 organizations worldwide use Siteimprove.

Summary

Main difference
Oncrawl is a specialized, deep technical SEO tool focused on crawl analysis and log files, best for complex sites. Siteimprove is a broader website management platform combining SEO with crucial accessibility, quality assurance, and content analytics features for overall website health.

Relative strengths of Oncrawl (compared to Siteimprove)

  • Oncrawl offers deeper technical SEO analysis and crawling capabilities, particularly for large or complex websites, compared to Siteimprove which users note can have slow crawling.

  • Oncrawl provides advanced SEO Log File Analysis, giving detailed insights into search engine crawler behavior which is not a highlighted feature of Siteimprove.

  • Oncrawl features powerful data integration from tools like Google Analytics and Search Console, combined with a robust segmentation system for more granular analysis than Siteimprove's general analytics features offer.

Relative weaknesses of Oncrawl (compared to Siteimprove)

  • Oncrawl has a narrower focus solely on technical SEO, lacking the built-in website accessibility checks and quality assurance features (like broken link or spelling checks) that are central to Siteimprove.

  • Oncrawl is noted by users as having a difficult user interface with a steep learning curve, whereas Siteimprove is generally considered easier to use with clear dashboards.

  • Oncrawl lacks the broader website governance and content rule enforcement capabilities offered by Siteimprove for maintaining brand consistency and quality across a site.

What companies are using Oncrawl and Siteimprove?

Who should use Oncrawl VS. Siteimprove

Oncrawl is a powerful SEO tool built for tackling the technical challenges of large, complex websites. In our experience, it excels at deep crawling and log file analysis, helping businesses understand exactly how search engines see their site. Users often praise its detailed internal linking reports and crawl budget insights. If you manage a substantial online presence, especially in e-commerce, and need granular data to boost your search rankings and organic traffic, Oncrawl offers the enterprise-level capabilities required.

Siteimprove is a great tool for businesses wanting to enhance their website's user experience, accessibility, and search rankings. We find it particularly helpful for organizations managing complex websites, especially those needing robust quality assurance and SEO features. Based on user feedback, the comprehensive tools and focus on accessibility compliance make it a strong contender, helping teams maintain brand consistency and improve online performance effectively

  • We find Oncrawl works best for medium-sized companies and truly shines in large enterprises needing robust technical SEO analysis at scale.

  • In our view, Oncrawl is particularly effective for large E-commerce businesses and marketing agencies managing complex client websites.

  • In our experience, Siteimprove works best for medium-sized businesses and large enterprises needing comprehensive website management tools.

  • We see Siteimprove used across many sectors, but it's especially valuable for marketing teams and educational institutions focusing on accessibility.

Oncrawl and Siteimprove features

Supported
Partially supported
Not supported
Type in the name of the feature or in your own words tell us what you need

  • SEO Log File Analysis
    Supported

    Oncrawl analyzes website log files to identify technical SEO issues and understand search engine crawler behavior.

    Not supported

    Siteimprove doesn't offer SEO log file analysis.

  • Data Visualization Platform
    Supported

    Oncrawl supports data visualization with interactive charts, graphs, and custom reports.

    Partially supported

    Siteimprove supports SEO data visualization via integrations with tools like Google Data Studio and Power BI.

  • Technical SEO Crawler
    Supported

    Oncrawl crawls websites and identifies technical SEO issues, such as broken links and slow page speed.

    Supported

    Siteimprove offers a technical SEO crawler that identifies issues like broken links and missing alt text.

  • Page speed analysis
    Supported

    Oncrawl supports page speed analysis and identifies areas for improvement.

    Supported

    Siteimprove offers page speed analysis and improvement suggestions.

  • Technical SEO audit
    Supported

    OnCrawl conducts comprehensive technical SEO audits, including identifying crawl errors, XML sitemap problems, and robots.txt issues. It analyzes log files for crawl issues and provides features like a virtual Robots.txt for managing crawl rates and disallowed URLs.

    Supported

    Siteimprove performs technical SEO audits, including checks for crawl errors, sitemaps, and robots.txt.

  • Website content
    Not supported

    Oncrawl analyzes content for SEO but doesn't create or manage it.

    Partially supported

    Siteimprove does not create content, but integrates with CMSs to manage and optimize existing content.

Qualities

  • Value and Pricing Transparency
    No data
    -0.2
    Neutral sentiment
  • Customer Service
    No data
    +0.85
    Strongly positive sentiment
  • Ease of Use
    No data
    +0.76
    Strongly positive sentiment
  • Reliability and Performance
    No data
    +0.7
    Strongly positive sentiment
  • Ease of Implementation
    No data
    +0.43
    Rather positive sentiment
  • Scalability
    No data
    +0.5
    Rather positive sentiment

Oncrawl and Siteimprove Pricing

Oncrawl offers two plans: Basic and Core. The Basic plan includes a powerful adaptable crawler, Google Search Console integration, crawl comparison, internal linking analysis, hundreds of metrics, and customizable, exportable reports. The Core plan includes everything in the Basic plan and blended data from analytics connectors, SEO alerting, multiple segmentation setups, SEO log analysis, and query performance analysis.

See full Pricing page

No data

User sentiment

Neutral
-0.2
We couldn't find a pricing page for Siteimprove.

Oncrawl and Siteimprove review insights

428 reviews analysed from

Users love

  • Excellent internal linking reports, facilitating identification and improvement of link weaknesses.
  • Comprehensive crawl budget analysis, providing valuable insights into Googlebot activity.
  • Detailed log file analysis, offering a deeper understanding of website performance and crawler behavior.
  • In-depth crawling capabilities, including handling dynamically rendered pages and large websites.
  • Powerful data integration from various sources like Google Analytics, Search Console, and Majestic SEO.
  • Comprehensive feature set with regular updates.
  • Helpful email support.
  • Easy-to-understand dashboards and reports.
  • Effective integration with externally hosted sites.
  • Strong focus on accessibility and SEO.

Users dislike

  • Difficult user interface, requiring significant time to learn and navigate.
  • Data discrepancies compared to other SEO tools, raising concerns about reliability.
  • Customer support can be unresponsive, with significant delays experienced via chat and email.
  • High pricing, potentially unaffordable for smaller businesses.
  • Slow crawling, especially for large sites.
  • Some data exporting features are clunky and unreliable.
  • Limited customization for reports and alerts.
  • High cost, especially for smaller organizations.
  • Mobile app is underwhelming.

Oncrawl and Siteimprove Ratings

  • G2
    4.4/5
    (17)
  • Glassdoor
    4.5/5
    (6)
  • G2
    4.6/5
    (411)
  • Glassdoor
    3.4/5
    (329)

Company health

Employee growth

5% increase in the last year
7% decrease in the last year

Web traffic

57% increase in the last quarter
2% increase in the last quarter

Financing

December 2017 - $4M
July 2019 - $55M

How do Oncrawl's log analysis features compare to Siteimprove's analytics suite?

Oncrawl offers dedicated SEO Log Analyzer features designed specifically to analyze server log files, providing deep insights into how search engine bots like Googlebot crawl and interact with a website. This is highlighted as a core strength, particularly valued for understanding crawl budget and technical SEO issues. Siteimprove's analytics suite, in contrast, focuses more broadly on user behavior analytics, tracking visitor engagement, user journeys, content performance, KPIs, and unified search insights (like keyword rankings and traffic), rather than detailed server log file analysis for bot behavior.

Which product offers better integration with existing marketing data sources?

Based on the provided information, Oncrawl offers better integration with existing marketing data sources. Users specifically praise its powerful data integration capabilities, mentioning connections with Google Analytics, Google Search Console, and Majestic SEO. The Core plan also explicitly includes blended data from analytics connectors. While Siteimprove offers various analytics features, the description focuses more on its internal analysis capabilities and doesn't explicitly list integrations with common external marketing data platforms like Google Analytics or Search Console.

What are the advantages of Oncrawl?

Oncrawl provides significant advantages for technical SEO analysis, particularly for large and complex websites due to its excellent scalability and in-depth crawling capabilities, including handling dynamically rendered pages. It offers rich data and cross-analysis features, powerful segmentation, and permanent data history for trend analysis. Users highly value its detailed log file analysis for understanding crawler behavior, comprehensive crawl budget insights, excellent internal linking reports, and strong data integration capabilities with tools like Google Analytics and Search Console.

What are the disadvantages of Oncrawl?

Based on user feedback, Oncrawl's disadvantages include a difficult user interface that requires a significant time investment to learn and navigate effectively. Some users have reported data discrepancies when comparing Oncrawl's results to other SEO tools, raising potential concerns about data reliability. Customer support responsiveness has also been cited as an issue, with users experiencing delays in receiving help via chat and email. Furthermore, Oncrawl's high pricing may make it less suitable or unaffordable for smaller businesses.

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Page co-authored by
MK
Michal Kaczor
CEO at Gralio

Michal has worked at startups for many years and writes about topics relating to software selection and IT management. As a former consultant for Bain, a business advisory company, he also knows how to understand needs of any business and find solutions to its problems.

TT
Tymon Terlikiewicz
CTO at Gralio

Tymon is a seasoned CTO who loves finding the perfect tools for any task. He recently headed up the tech department at Batmaid, a well-known Swiss company, where he managed about 60 software purchases, including CX, HR, Payroll, Marketing automation and various developer tools.

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