Screaming Frog SEO Spider vs Slim SEO
Screaming Frog SEO Spider
screamingfrog.co.ukSlim SEO
wpslimseo.comSide by side
| Figure | Screaming Frog SEO Spider | Slim SEO |
|---|---|---|
| Price from | Free | $4.92/mo |
| Free plan | Yes | — |
| Free trial | — | — |
| Open source | — | — |
| Windows | Yes | — |
| macOS | Yes | — |
| Linux | Yes | — |
| API | Yes | — |
| Self-hosted | Yes | Yes |
| Plans published | 9 | 3 |
| Spec score · SEO tools | 9.5 (#1) | 7.6 (#155) |
| API access | Yes | No |
| Backlink analysis | Yes | No |
| Free plan | Yes | Yes |
| Integrations | It connects to Google Analytics, Search Console, and PageSpeed Insights APIs, and lists link metrics integrations for Majestic, Ahrefs, and Moz APIs. | The maker says Slim SEO works with page builders including Elementor, Beaver Builder, Bricks, Divi, and Oxygen. |
| Intended users | The maker describes the tool as designed for experienced SEOs and says it is trusted by professional SEOs, agencies, and brands for technical SEO audits. | The maker says Slim SEO suits people who prefer simplicity or have little SEO knowledge and want SEO tasks automated. |
| Security and privacy | The privacy policy says software use may involve checks of username, licence key, IP address, anonymised machine ID, and timestamp, and that data is stored in secure data centres in the UK and US with access restricted to authorised personnel. | The maker states that its plugins do not store or obtain personal data from users or their websites, and send no external requests except premium update requests containing the license key. |
| Site audit | Yes | No |
| Support | Paid users receive technical support, while official self-help includes a user guide, tutorials, FAQ and issue library. | The paid plans include one year of support, and an expired license loses access to support and updates. |
Plans
Screaming Frog SEO Spider
- FreeFree
- Paid licencePrice not published
- Free VersionFree
- Free VersionFree
- Paid licence (20+)$235 a year
- Paid licence (10–19)$249 a year
- Paid licence (5–9)$265 a year
- Paid licence (1–4)$279 a year
- Paid Version$279 a year
In their own words
Screaming Frog SEO Spider
Screaming Frog SEO Spider crawls websites to audit more than 300 SEO issues and support improvements to search performance and user experience. It finds broken links and server errors, checks redirects, and flags page titles and meta descriptions that are missing, duplicated, or too long. For JavaScript-heavy sites, it can render pages with its integrated Chromium WRS, including sites using Angular, React, and Vue.js. Data extraction supports CSS Path, XPath, regular expressions, and custom JavaScript. The crawler connects to Google Analytics, Search Console, and PageSpeed Insights APIs, with link-metrics integrations for Majestic, Ahrefs, and Moz. Crawls can be scheduled, automated from the command line, exported to destinations such as Google Sheets, and compared across runs or between staging and production. The free version costs nothing and allows 500 URLs per crawl; saving crawls, configuration, and advanced features are restricted. The paid version costs $279 a year per licence, with unlimited crawl size subject to allocated memory and storage. It runs on Linux, macOS, and Windows.