Screaming Frog SEO Spider vs Siteliner
Screaming Frog SEO Spider
screamingfrog.co.ukSiteliner
siteliner.comSide by side
| Figure | Screaming Frog SEO Spider | Siteliner |
|---|---|---|
| Price from | Free | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | — | Yes |
| Windows | Yes | — |
| macOS | Yes | — |
| Linux | Yes | — |
| API | Yes | Yes |
| Self-hosted | Yes | — |
| Plans published | 9 | 3 |
| Spec score · SEO tools | 9.5 (#1) | 8.3 (#51) |
| Spec score · Technical SEO Software | 8.9 (#2) | 8.3 (#9) |
| API access | Yes | Yes |
| Duplicate-content detection | It uses MD5 checks and other analyses to find exact, partial and low-content duplicates. | The service compares pages within the same website and highlights matching text while excluding common menu and boilerplate content from its duplicate analysis. |
| Free plan | Yes | Yes |
| Legal entity | The maker identifies itself as Screaming Frog Ltd, company number 07277243. | The terms identify Indigo Stream Technologies Ltd. as a Gibraltar-incorporated company and Siteliner trademark owner. |
| Purpose | The SEO Spider is a website crawler that audits sites for over 300 SEO issues to help improve SEO and user experience. | Siteliner crawls and analyzes a website to reveal issues affecting its quality, including duplicate content and broken links. |
| Rating on Trustpilot | 4.2 out of 5 from 14 reviews | 3.4 out of 5 from 1 review |
| Support | Paid users receive technical support, while official self-help includes a user guide, tutorials, FAQ and issue library. | The site provides a contact form for questions or comments and says submitted email addresses are not shared or sold to third parties. |
| What it does | SEO Spider is a desktop website crawler that audits more than 300 SEO issues. | Siteliner crawls a website to identify internal duplicate content, broken links and other site-quality issues. |
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.
Siteliner
Siteliner is a web and API service that crawls a website for quality issues, including internal duplicate content and broken links. Its duplicate-content check highlights matching material on pages while excluding common elements such as menus and navigation. The service flags broken internal links and identifies pages prominent to search engines from link patterns across the site. Reports include site and page results, a standard XML sitemap, and CSV downloads for the site report and currently displayed table. The Premium API can start scans and return results in JSON, with PHP and Python sample code. Starting an API scan costs 1c per page scanned, and each result request costs 1c. Siteliner requests four pages at a time. It reads publicly accessible pages unless non-logged-in requests from its servers are allowed. Summary reports remain available for 185 days; highlighted links, duplicate content, and cached pages remain for 60 days. The free plan covers 250 pages once every 30 days.