The industry-standard desktop crawler for technical SEO audits.
Best for: Technical SEOs who want maximum control over audits.
- Full site crawl
- JavaScript rendering
- Custom extraction
- Crawl comparison
Best technical SEO crawlers in 2026
Crawlers are the workhorses of technical SEO. They follow every link on a site and record status codes, canonicals, hreflang, structured data, internal linking and rendering. Desktop crawlers are cheap and flexible; cloud crawlers handle very large sites and teams.
4 tools compared. Top picks first, then alphabetical. No paid placements.
JetOctopus
Free trialFast cloud crawler with log file analysis.
Best for: Large websites and e-commerce stores.
- Cloud crawling
- Log file analyzer
- GSC integration
- JavaScript rendering
Lumar
PaidEnterprise website intelligence platform (formerly Deepcrawl).
Best for: Enterprise sites and in-house SEO teams.
- Enterprise crawling
- Pre-release testing
- Monitoring & alerts
- Accessibility checks
Sitebulb
Free trialCrawler that turns technical data into prioritised, explained hints.
Best for: Consultants and agencies who present audits to clients.
- Prioritised audit hints
- Visual crawl maps
- JavaScript rendering
- Accessibility checks