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Probely

GoodBotVerifiedBOT

Probely security scanner (DAST) that crawls customer websites to identify vulnerabilities. Operated by Probely.

GoodBot
Assessment
Security
Category
BOT
Kind
1
Data sources
AI-generated summary, drawn from Cloudflare, operator docs, and community data

What is Probely?

Probely is a web crawler operated by Probely. Probely security scanner (DAST) that crawls customer websites to identify vulnerabilities.

Helpful — Verified, safe crawler. Respects robots.txt and provides operator documentation.

Identification

Bot name
Probely
Operator
Probely
Category
Security
Kind
BOT
Verification
Verified bot
Cloudflare slug
probely
User-agent patterns
ProbelySPDR
User-agent string
Mozilla/5.0 (compatible; +https://probely.com/sos) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36 ProbelySPDR/0.2.0
Main use cases
Security scanningVulnerability detectionThreat assessment

Why it crawls your site

Probely crawls websites to scan for security vulnerabilities and potential threats. It is operated by Probely as part of their security infrastructure. If you see this bot in your server logs, it is a verified crawler and generally safe.

Block or allow Probely

Block it

Add a Disallow rule for ProbelySPDR in your robots.txt file. You can also block at the server level using your web server configuration or CDN firewall rules to filter requests matching the user-agent string.

# Block Probely from crawling your entire site
User-agent: ProbelySPDR
Disallow: /

# Allow Probely full access
User-agent: ProbelySPDR
Allow: /
Allow & verify

Ensure your robots.txt allows ProbelySPDR. Verify requests are genuine by checking the user-agent string and referring to Probely's documentation.

Traffic & trends

Cloudflare Radar traffic

No Cloudflare traffic data available.

Google Trends interest

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Data sources

This profile is compiled from the following sources.

CloudflareRadar
Last updated July 26, 2026