01 · Operator
Who operates Uptimebot
- Company
- Uptime.com
- Type
- Monitoring bot
- Official docs
- uptime.com
02 · Behavior
What Uptimebot does
Uptimebot crawled the web from a cluster of computers and visited thousands of websites each day. It measured availability and response time. Uptime.com still sends monitoring traffic for customers who monitor their own sites, under a separate user agent.
03 · Impact
Why Uptimebot matters for your site
If you allow it
- Was a measurement crawler, not a scraper
- Uptime.com customer checks are requested by site owners
If you block it
- The crawler was shut down in 2019
- Current traffic with this exact UA may be spoofed
04 · Allow
How to allow Uptimebot
robots.txt
User-agent: Uptimebot
Allow: /Cloudflare
# Security › WAF › Custom rules › Create rule
Expression: (http.user_agent contains "Uptimebot")
Action: Skip › All Super Bot Fight Mode rules
# Also check Security › Bots: "Block AI bots" can block it regardless of robots.txt.WordPress
# WordPress serves a virtual robots.txt. Edit it with your SEO plugin:
# Yoast: SEO › Tools › File editor · Rank Math: General Settings › Edit robots.txt
User-agent: Uptimebot
Allow: /nginx
# nginx serves every user agent by default.
# Make sure no rule like this blocks it:
# if ($http_user_agent ~* "Uptimebot") { return 403; }Apache
# Apache serves every user agent by default.
# Make sure .htaccess has no rule like this:
# RewriteCond %{HTTP_USER_AGENT} Uptimebot [NC]
# RewriteRule .* - [F,L]05 · Block
How to block Uptimebot
Start with robots.txt. If Uptimebot keeps showing up in your logs, block it at your CDN or web server.
robots.txt
User-agent: Uptimebot
Disallow: /Cloudflare
# Security › WAF › Custom rules › Create rule
Expression: (http.user_agent contains "Uptimebot")
Action: BlockWordPress
# WordPress serves a virtual robots.txt. Edit it with your SEO plugin:
# Yoast: SEO › Tools › File editor · Rank Math: General Settings › Edit robots.txt
User-agent: Uptimebot
Disallow: /nginx
# In your server { } block:
if ($http_user_agent ~* "Uptimebot") {
return 403;
}Apache
# .htaccess
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} Uptimebot [NC]
RewriteRule .* - [F,L]
</IfModule>06 · User agents
User agents we see for Uptimebot
The user agent published by the operator:
Mozilla/5.0 (compatible; Uptimebot/1.0; +http://www.uptime.com/uptimebot)07 · Verification
Is it really Uptimebot?
Uptimebot’s operator publishes no IP ranges or hostnames, so requests cannot be verified. Treat the user agent as a claim, and watch your logs for unusual request rates.
FAQ
Questions about Uptimebot
Is Uptimebot still active?
No. Uptime.com says Uptimebot was decommissioned on June 27, 2019.
Should I block Uptimebot?
Yes, blocking it is safe because the crawler no longer runs. If you use Uptime.com monitoring, do not block that service's separate user agent.
Why do I still see Uptimebot in my logs?
Uptime.com still sends monitoring traffic for its customers. Requests that copy the old Uptimebot string may also come from other tools.
Last reviewed Oct 8, 2026