Best SEO Crawler Software in 2026
Updated
In short: Screaming Frog SEO Spider is ranked #1 of 34 as of 5 October 2026, ahead of WebCrawler Pro and A1 Website Analyzer. The best-ranked option with a free plan is WebCrawler Pro. The lowest first paid tier on this page is WebCrawler Pro at $1/mo.
When reviewing a site's technical details, SEO crawler software offers different ways to collect and inspect crawl data. Compared on crawl limits, JavaScript rendering, mobile crawling, and custom data extraction, these products also vary in API access, log-file analysis, and scheduled crawls. Free-plan availability and paid-from prices add practical distinctions. Screaming Frog SEO Spider, WebCrawler Pro, and A1 Website Analyzer are among the entries, with Netpeak Spider and WebSite Auditor also shown. Consider whether your work calls for scheduled checks, specific rendering support, or particular extraction and analysis features, then compare the stated capabilities.
34 SEO crawler software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
16 of the 25 here have a free tier you can use, 0 have open-source code on record, and 0 have full bars: free, open, on most of your devices and documented.
| # | App | Signal | Free tier | Open code | Devices | From | Score |
|---|---|---|---|---|---|---|---|
| 1 | Screaming Frog SEO SpiderWindows · Mac · Linux · API | Three bars | — | 3 of 6 | Free | 6.6 | |
| 2 | WebCrawler ProWeb · Windows · Mac · Linux · Self-hosted | Three bars | — | 4 of 6 | $1/mo | 6.6 | |
| 3 | A1 Website AnalyzerWindows · Mac | Two bars | — | 2 of 6 | $49/mo | 6.5 | |
| 4 | DRKSpiderJavaWindows · Mac · Linux | Three bars | — | 3 of 6 | Free | 6.5 | |
| 5 | Netpeak SpiderWindows · Mac | Two bars | — | 2 of 6 | Free | 6.5 | |
| 6 | OxideSEOWindows · Mac · Linux | Three bars | — | 3 of 6 | Free | 6.5 | |
| 7 | Screaming Frog SEO Log File AnalyserWindows · Mac · Linux | Three bars | — | 3 of 6 | $11.58/mo | 6.5 | |
| 8 | WebSite AuditorWindows · Mac · Linux | Three bars | — | 3 of 6 | $12.42/mo | 6.5 | |
| 9 | CrawlrWeb · API | Two bars | — | 1 of 6 | $8/mo | 6.4 | |
| 10 | CrawlXWeb · API | Two bars | — | 1 of 6 | $19/mo | 6.4 | |
| 11 | TechSEO360Windows · Mac | Two bars | — | 2 of 6 | $6.58/mo | 6.4 | |
| 12 | VisRankBotWeb | Two bars | — | 1 of 6 | $24.17/mo | 6.4 | |
| 13 | FreeCrawlWindows · Mac · Linux | Two bars | — | 3 of 6 | Free | 6.3 | |
| 14 | SpiderNowAPI | Two bars | — | 0 of 6 | Free | 6.3 | |
| 15 | TechSEO360No platforms listed | Two bars | — | 0 of 6 | $6.58/mo | 6.2 | |
| 16 | SiteOne CrawlerWindows · Mac · Linux · Self-hosted · API | Two bars | — | 3 of 6 | Free | 6.1 | |
| 17 | Open SEO CrawlerWeb · Windows · Mac · Linux | One bar | — | — | 4 of 6 | — | 5.4 |
| 18 | Beam Us UpWindows · Mac · Linux | One bar | — | — | 3 of 6 | — | 5.3 |
| 19 | BotifyAPI | One bar | — | — | 0 of 6 | — | 5.3 |
| 20 | CrabWindows · Mac · Linux | One bar | — | — | 3 of 6 | — | 5.3 |
| 21 | CrawlRhinoWindows | One bar | — | — | 1 of 6 | £3.99/mo | 5.3 |
| 22 | Rank MaxerWeb | One bar | — | — | 1 of 6 | $10/mo | 5.3 |
| 23 | CrawlObserverAPI | One bar | — | — | 0 of 6 | — | 5.2 |
| 24 | CrowlWindows · Mac · Linux | One bar | — | — | 3 of 6 | — | 5.2 |
| 25 | LibreCrawlAPI | One bar | — | — | 0 of 6 | — | 5.2 |
Compare all 25 in a table
| # | App | Score | Free plan | From | Free plan | Paid from | Crawl limit | JavaScript rendering |
|---|---|---|---|---|---|---|---|---|
| 1 | Screaming Frog SEO Spider | 6.6 | Free plan | — | Yes | — | — | — |
| 2 | WebCrawler Pro | 6.6 | Free plan | $1/mo | Yes | — | — | Yes |
| 3 | A1 Website Analyzer | 6.5 | Free plan | $49/mo | Yes | — | — | Yes |
| 4 | DRKSpiderJava | 6.5 | Free plan | Free | Yes | — | — | — |
| 5 | Netpeak Spider | 6.5 | Free plan | — | Yes | — | — | Yes |
| 6 | OxideSEO | 6.5 | Free plan | Free | — | — | — | — |
| 7 | Screaming Frog SEO Log File Analyser | 6.5 | Free plan | $11.58/mo | Yes | — | — | — |
| 8 | WebSite Auditor | 6.5 | Free plan | $12.42/mo | Yes | — | — | — |
| 9 | Crawlr | 6.4 | Free plan | $8/mo | Yes | 8 /mo | 5,000 URLs/crawl | Yes |
| 10 | CrawlX | 6.4 | Free plan | $19/mo | Yes | 29 /mo | 10,000 URLs/crawl | Yes |
| 11 | TechSEO360 | 6.4 | Free plan | $6.58/mo | Yes | — | — | — |
| 12 | VisRankBot | 6.4 | Free plan | $24.17/mo | Yes | — | 10 URLs/crawl | Yes |
| 13 | FreeCrawl | 6.3 | Free plan | Free | Yes | — | — | — |
| 14 | SpiderNow | 6.3 | Free plan | Free | Yes | — | — | — |
| 15 | TechSEO360 | 6.2 | Free plan | $6.58/mo | Yes | — | — | — |
| 16 | SiteOne Crawler | 6.1 | Free plan | Free | Yes | — | — | — |
| 17 | Open SEO Crawler | 5.4 | No | — | Yes | — | — | — |
| 18 | Beam Us Up | 5.3 | No | — | Yes | — | — | — |
| 19 | Botify | 5.3 | No | — | — | — | — | — |
| 20 | Crab | 5.3 | No | — | Yes | — | — | — |
| 21 | CrawlRhino | 5.3 | No | £3.99/mo | Yes | — | — | Yes |
| 22 | Rank Maxer | 5.3 | No | $10/mo | Yes | — | — | — |
| 23 | CrawlObserver | 5.2 | No | — | Yes | — | — | — |
| 24 | Crowl | 5.2 | No | — | Yes | — | — | — |
| 25 | LibreCrawl | 5.2 | No | — | Yes | — | — | — |
Is your app on this list?
Numbered spots on this list can be sponsored, and a sponsored row is labelled as paid.
Questions about this list
Which SEO crawler software is ranked first on Freedom251?
Screaming Frog SEO Spider is ranked #1 of 34 with a score of 6.6. WebCrawler Pro is second and A1 Website Analyzer third.
How many of these have a free plan?
16 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, WebCrawler Pro has the lowest first paid tier we found: $1/mo.
How is this list ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.