Verified Bots Directory

Directory / SEO tools

SemrushBot-SI

Verifiable

The crawler behind Semrush's On Page SEO Checker and related on-page tools, run against a domain when a Semrush customer sets up a campaign for it. It is a separate robots.txt user agent from SemrushBot, and Semrush documents its own addresses to allowlist for it.

Operated by Semrush · Official documentation

User agents

Patterns this directory matches, with real observed strings.

  • regexSemrushBot-SI
  • observedMozilla/5.0 (compatible; SemrushBot-SI/0.97; +http://www.semrush.com/bot.html)

How to verify

Documented static ranges: 85.208.98.53, 85.208.98.0/24

IP ranges (2)

Refreshed daily from the operator's feed. Also available as /data/ips/semrushbot-si.ips and /data/bots/semrushbot-si.json.

85.208.98.0/24
85.208.98.53

Good Bot Practices scorecard

  • Identifies honestly

    Stable UA token documented (1 pattern)

  • Verifiable

    Verifiable

  • Respects robots.txt

    Honors robots.txt (token: SemrushBot-SI)

  • Behaves

    Crawl-rate behavior is operator-declared; not machine-verifiable from this dataset

  • Reachable operator

    Operator and documentation published

Measured against the Good Bot Practices.