Screaming Frog vs Sitebulb vs SiteAuditLint: SEO Crawler Comparison

The SiteAuditLint interface: find issues, fix problems, and compare audit results.

Choosing an SEO crawler is about more than finding broken links. It also matters how you investigate problems such as redirect chains, missing title tags, and indexability errors, how you manage audit costs over time, and how you measure the changes made after fixing your website.

At-a-glance comparison

The table compares platform support, free access, crawl limits, licence models, and core technical SEO checks across Screaming Frog SEO Spider, Sitebulb Desktop, and SiteAuditLint.

*Screaming Frog's paid crawl allowance is not capped by a fixed URL limit, but actual crawl capacity depends on hardware, memory, and configuration. Sitebulb's 500,000-URL figure is its standard Pro limit, with higher limits possible on suitable machines.

Pricing comparison

For people who run technical SEO audits regularly, the total cost of ownership can matter as much as the initial price. Screaming Frog and Sitebulb use recurring licence or subscription models, while SiteAuditLint's published offer is a one-time purchase for unlimited crawling. Over a three-year period, for example, an annual licence is paid three times, while a one-time licence is paid once.

Detailed feature comparison

Technical SEO auditing

All three tools are designed to identify technical website issues, from HTTP status codes and 4xx errors to canonical tags and indexability. The table below lists the specific checks rather than treating every audit feature as identical.

URL health with response codes and page-level details

Site health score and category scores

Crawl comparison and audit history

A single crawl gives you a snapshot of a website. Repeating the audit shows whether issues have been resolved, whether new ones have appeared, and whether the overall health of the site has changed.

• Screaming Frog offers crawl comparison tools for comparing saved crawls, including changes in issues, opportunities, and page-level elements.
• Sitebulb includes audit comparisons on Pro, with historical trendlines and changes between audits that help users investigate improvements and regressions.
• SiteAuditLint stores audit history on your computer and compares each run against the last, showing previous and current issue counts, the numeric change, and a trend for every issue type.

Audit history with run dates, URL totals, health, criticals, and warnings

Comparisons view: previous vs current values and trends

Since last audit panel. Figures shown are from a sample website, not typical results.

What makes each crawler different?

Screaming Frog: detailed crawling and data exports

Screaming Frog SEO Spider is a desktop crawler used for technical SEO audits, URL inspection, and data extraction. Its free version supports crawls of up to 500 URLs, while its paid licence removes the fixed crawl limit. It also offers crawl comparison for tracking changes across audits.

• Crawling and analyzing large URL sets.
• Custom extraction and detailed data exports.
• Comparing saved crawls to find changes.
• Annual licence renewal.

Sitebulb: visual audits and prioritized recommendations

Sitebulb combines technical SEO crawling with visualizations, audit hints, and issue prioritization. Its desktop Pro plan supports up to 500,000 URLs per audit by default, and its 14-day trial gives users access to the Pro experience.

• Visual site structure and crawl maps.
• Explanations and prioritization for audit findings.
• Audit comparisons and reporting.
• Desktop and cloud options.

SiteAuditLint: track fixes and measure progress

SiteAuditLint is a Windows desktop SEO crawler designed to help website owners and SEO professionals find technical problems and monitor their progress over time. Its focus is the connection between an initial audit, the fixes made, and the results of the next audit.

From crawl results to measurable improvements

1. Run an initial crawl and record the technical issues found.
2. Identify and fix problems such as broken links, missing metadata, and redirect errors.
3. Run another crawl and compare the results against the original audit.
4. Review which issues have been resolved and which still need attention.

Detected issues translate directly into a list of work to complete. The Priority Fixes panel shows affected URL counts and priority labels, and the Action Plan adds impact and effort for each recommended action.

Priority fixes summary

Action plan with impact and effort

Example: website audit improvements

This example shows how comparing a first audit with a follow-up audit makes progress visible.

The important message is that an audit should not end with a list of errors. Comparing results over time shows whether the work completed has actually reduced the number of detected issues.

Which crawler should you choose?

Rather than declaring one tool the overall winner, match the software to your workflow.

Frequently asked questions

Is SiteAuditLint an alternative to Screaming Frog?

SiteAuditLint is a Windows desktop SEO crawler that can be compared with Screaming Frog on technical auditing, crawl limits, pricing, and audit history. The right choice depends on the features and workflow you need, such as custom extraction, JavaScript rendering, or tracking fixes between audits.

Is SiteAuditLint cheaper than Screaming Frog?

SiteAuditLint's published paid offer is $99 as a one-time payment, while Screaming Frog's standard paid licence is £199 per year. Compare the total cost over the period you expect to use the software, as well as any additional features you require.

Does Sitebulb have a free version?

Sitebulb offers a 14-day free trial of its desktop software. Its Lite and Pro plans are paid subscriptions, with different crawl limits and feature access.

Can these tools compare SEO audits?

Yes. Screaming Frog offers crawl comparison between saved crawls, Sitebulb includes audit comparisons on Pro, and SiteAuditLint provides audit history, a comparisons view, and a since last audit summary showing previous and current issue counts.

Which SEO crawler is suitable for Windows?

All three run on Windows. Screaming Frog and Sitebulb also support macOS, and Sitebulb offers a cloud option. SiteAuditLint is built specifically as a Windows desktop crawler.