Screaming Frog SEO Spider vs Sitebulb
Both are desktop crawlers used for technical SEO audits. Screaming Frog gives you raw data and total control; Sitebulb interprets the data for you.
| Feature | Screaming Frog SEO Spider | Sitebulb |
|---|---|---|
| Best for | Technical SEOs who want maximum control over audits. | Consultants and agencies who present audits to clients. |
| Pricing | Free up to 500 URLs per crawl. Paid annual licence removes the limit. | Paid desktop and cloud plans with a free trial. |
| Platform | Desktop (Windows, macOS, Linux) | Desktop & Cloud |
| Covers | Technical SEO crawlers, SEO audit tools | Technical SEO crawlers, SEO audit tools |
| Key features | Full site crawl, JavaScript rendering, Custom extraction, Crawl comparison, GA, GSC & PSI integrations | Prioritised audit hints, Visual crawl maps, JavaScript rendering, Accessibility checks, Cloud crawling |
| Strengths | Extremely flexible; Generous free version; Low cost licence | Explains every issue clearly; Great visualisations; Client-ready reports |
| Weaknesses | Steep learning curve; Large crawls need a strong computer | No free version; Less raw flexibility than Screaming Frog |
Choose Screaming Frog SEO Spider if…
You are comfortable with technical SEO and want maximum flexibility, custom extraction and the lowest cost.
Read the Screaming Frog SEO Spider profileChoose Sitebulb if…
You want prioritised, explained issues and visual reports you can show to clients.
Read the Sitebulb profileOur verdict
Many technical SEOs own both. Start with the free version of Screaming Frog; if you find yourself spending hours turning crawl data into client reports, Sitebulb pays for itself.
Features and pricing change often. Check both vendors' websites for current plans before you buy.