Which site audit software are known for fast crawling on large sites, JavaScript support, and redirect detection?

Here are some site audit tools that are commonly known for fast crawling on large sites, JavaScript rendering/support, and redirect detection:

• Screaming Frog SEO Spider

  • Very fast desktop crawler
  • Good redirect chain detection and response code auditing
  • JavaScript rendering supported
  • Strong for large technical audits, especially with enough RAM

• Sitebulb

  • Solid crawling performance on large sites
  • JavaScript rendering support
  • Good visualization of redirect issues and crawl paths
  • Often preferred for reporting and easier analysis

• Lumar (formerly Deepcrawl)

  • Cloud-based, built for very large sites
  • Strong JavaScript crawling capabilities
  • Good redirect and indexability auditing
  • Good for enterprise-scale crawling

• JetOctopus

  • Known for very fast crawling on big sites
  • JavaScript rendering support
  • Good at identifying redirects, chains, and technical issues
  • Popular for log analysis plus crawl auditing

• OnCrawl

  • Enterprise crawler with solid large-site handling
  • JavaScript rendering available
  • Redirect detection and crawl diagnostics
  • Often used with log file analysis

• Ahrefs Site Audit

  • Cloud-based and relatively fast
  • Supports JavaScript rendering to some extent
  • Detects redirects, chains, and common technical issues
  • Convenient if you already use Ahrefs

• Semrush Site Audit

  • Cloud-based crawl tool
  • JS support available for audits
  • Redirect issue detection included
  • Good for integrated SEO workflows

If you want, I can also give you:

1. a top 3 recommendation by use case,
2. a comparison table, or
3. which tool is best for extremely large sites vs. small teams.