Directory/Categories/Monitoring & Analytics/Cloudflare Diagnostics

Cloudflare Diagnostics

GoodBotVerifiedBOT

Cloudflare system bot that performs health checks and diagnostic tests Operated by Cloudflare.

GoodBot

Assessment

Monitoring & Analytics

What is Cloudflare Diagnostics?

Cloudflare Diagnostics is a web crawler operated by Cloudflare. Cloudflare system bot that performs health checks and diagnostic tests

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

Identification

Bot name

Cloudflare Diagnostics

Operator

Cloudflare

How we rated this bot

Verified by Cloudflare, which confirms who runs it, with no widespread reports of abuse.

Names itself honestly

Yes

Verified by Cloudflare

Yes

Says it follows robots.txt and opt-outs

Not stated

Ignores site rules

None found

Disguises itself or evades blocks

None found

Overloads sites

None found

How widely people complain

No complaint about this bot in the evidence

Reddit discussion

There is no Reddit discussion of this bot in the evidence

What we read

Why it crawls your site

Cloudflare Diagnostics crawls websites to monitor website availability, performance, and analytics. It is operated by Cloudflare as part of their monitoring and analytics infrastructure. If you see this bot in your server logs, it is a verified crawler and generally safe.

Block or allow Cloudflare Diagnostics

Block it

Add a Disallow rule for CloudflareDiagnostics 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 Cloudflare Diagnostics from crawling your entire site
User-agent: CloudflareDiagnostics
Disallow: /

# Allow Cloudflare Diagnostics full access
User-agent: CloudflareDiagnostics
Allow: /

Allow & verify

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