01 · Operator
Who operates FreeWebMonitoring SiteChecker
- Company
- GreenWave Online Inc.
- Type
- Monitoring bot
- Official docs
- freewebmonitoring.com
02 · Behavior
What FreeWebMonitoring SiteChecker does
It checks the availability of websites that members registered with the service. Members get email alerts and uptime statistics. It only requests URLs that members submitted. The operator documents a single source IP, 70.35.204.181.
03 · Impact
Why FreeWebMonitoring SiteChecker matters for your site
If you allow it
- Someone, often the site owner, asked for the monitoring
- Very light traffic
If you block it
- You did not set up the monitoring
- Older version 0.1 UA was reportedly faked by a scanner
04 · Allow
How to allow FreeWebMonitoring SiteChecker
robots.txt
User-agent: FreeWebMonitoring
Allow: /Cloudflare
# Security › WAF › Custom rules › Create rule
Expression: (http.user_agent contains "FreeWebMonitoring")
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: FreeWebMonitoring
Allow: /nginx
# nginx serves every user agent by default.
# Make sure no rule like this blocks it:
# if ($http_user_agent ~* "FreeWebMonitoring") { return 403; }Apache
# Apache serves every user agent by default.
# Make sure .htaccess has no rule like this:
# RewriteCond %{HTTP_USER_AGENT} FreeWebMonitoring [NC]
# RewriteRule .* - [F,L]05 · Block
How to block FreeWebMonitoring SiteChecker
Start with robots.txt. If FreeWebMonitoring SiteChecker keeps showing up in your logs, block it at your CDN or web server.
robots.txt
User-agent: FreeWebMonitoring
Disallow: /Cloudflare
# Security › WAF › Custom rules › Create rule
Expression: (http.user_agent contains "FreeWebMonitoring")
Action: BlockWordPress
# WordPress serves a virtual robots.txt. Edit it with your SEO plugin:
# Yoast: SEO › Tools › File editor · Rank Math: General Settings › Edit robots.txt
User-agent: FreeWebMonitoring
Disallow: /nginx
# In your server { } block:
if ($http_user_agent ~* "FreeWebMonitoring") {
return 403;
}Apache
# .htaccess
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} FreeWebMonitoring [NC]
RewriteRule .* - [F,L]
</IfModule>06 · User agents
User agents we see for FreeWebMonitoring SiteChecker
The user agent published by the operator:
FreeWebMonitoring SiteChecker/0.2 (+http://www.freewebmonitoring.com/bot.html)07 · Verification
Is it really FreeWebMonitoring SiteChecker?
Anyone can copy a user agent. Real FreeWebMonitoring SiteChecker requests come from the IP ranges published at freewebmonitoring.com/bot.html.
FAQ
Questions about FreeWebMonitoring SiteChecker
Why is FreeWebMonitoring checking my site?
A member of the service registered your URL for uptime monitoring. Only submitted URLs are checked.
How can I verify FreeWebMonitoring requests?
The operator states that checks come from 70.35.204.181. Requests from other IPs are not genuine.
Is the 'SiteChecker/0.1' user agent genuine?
The operator warns that an impostor uses the older 0.1 user agent to scan for vulnerabilities.
Last reviewed Oct 7, 2026