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Monitoring bot · OnlineOrNot SASU

OnlineOrNot.com_bot_1.0_ is OnlineOrNot SASU’s monitoring bot

OnlineOrNot.com_bot is the user agent of OnlineOrNot, a website and uptime monitoring service based in Paris. It sends checks for sites its customers chose to monitor.

Our take

Allow

It only checks sites that an OnlineOrNot user chose to monitor, usually the site owner.

User agent

OnlineOrNot.com_bot_1.0_(https://onlineornot.com)

Activity

OnlineOrNot.com_bot_1.0_ is crawling at a steady rate

Requests per site per dayLAST 28 DAYS
Sep 17Sep 26Oct 5Oct 14
What it crawls30 DAYS
  • Home page 100%

01 · Operator

Who operates OnlineOrNot.com_bot_1.0_

Official docs
onlineornot.com

02 · Behavior

What OnlineOrNot.com_bot_1.0_ does

OnlineOrNot sends automated requests to websites and endpoints, typically every 30 seconds. It checks status codes, timeouts and response times, and can run checks from several regions. Each failure is checked at least twice before an alert is sent. All uptime monitoring requests use the same user agent.

03 · Impact

Why OnlineOrNot.com_bot_1.0_ matters for your site

If you allow it

  • Someone, often the site owner, set up the monitor on purpose
  • Blocking it causes false downtime alerts

If you block it

  • Frequent checks you did not set up add load
  • Requests inflate raw log traffic

04 · Allow

How to allow OnlineOrNot.com_bot_1.0_

robots.txt

# OnlineOrNot.com_bot_1.0_ has no documented robots.txt token and does not read robots.txt.
# Use a Cloudflare, nginx or Apache rule instead.

Cloudflare

# Security › WAF › Custom rules › Create rule
Expression: (http.user_agent contains "OnlineOrNot.com_bot_1.0_")
Action:     Skip › All Super Bot Fight Mode rules

# Also check Security › Bots: "Block AI bots" can block it regardless of robots.txt.

WordPress

# OnlineOrNot.com_bot_1.0_ has no documented robots.txt token and does not read robots.txt.
# Use a Cloudflare, nginx or Apache rule instead.

nginx

# nginx serves every user agent by default.
# Make sure no rule like this blocks it:
# if ($http_user_agent ~* "OnlineOrNot\.com_bot_1\.0_") { return 403; }

Apache

# Apache serves every user agent by default.
# Make sure .htaccess has no rule like this:
# RewriteCond %{HTTP_USER_AGENT} OnlineOrNot\.com_bot_1\.0_ [NC]
# RewriteRule .* - [F,L]

05 · Block

How to block OnlineOrNot.com_bot_1.0_

Start with robots.txt. If OnlineOrNot.com_bot_1.0_ keeps showing up in your logs, block it at your CDN or web server.

robots.txt

# OnlineOrNot.com_bot_1.0_ has no documented robots.txt token and does not read robots.txt.
# Use a Cloudflare, nginx or Apache rule instead.

Cloudflare

# Security › WAF › Custom rules › Create rule
Expression: (http.user_agent contains "OnlineOrNot.com_bot_1.0_")
Action:     Block

WordPress

# OnlineOrNot.com_bot_1.0_ has no documented robots.txt token and does not read robots.txt.
# Use a Cloudflare, nginx or Apache rule instead.

nginx

# In your server { } block:
if ($http_user_agent ~* "OnlineOrNot\.com_bot_1\.0_") {
    return 403;
}

Apache

# .htaccess
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} OnlineOrNot\.com_bot_1\.0_ [NC]
RewriteRule .* - [F,L]
</IfModule>

06 · User agents

User agents we see for OnlineOrNot.com_bot_1.0_

User agentShareLast activeStatus
OnlineOrNot.com_bot_1.0_(https://onlineornot.com) 100% Today Unverified

07 · Verification

Is it really OnlineOrNot.com_bot_1.0_?

OnlineOrNot.com_bot_1.0_’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 OnlineOrNot.com_bot_1.0_

What is OnlineOrNot.com_bot?

It is the user agent of OnlineOrNot, an uptime monitoring service. It checks whether monitored websites respond correctly.

Why does OnlineOrNot request my site so often?

Uptime checks typically run every 30 seconds. Someone with an OnlineOrNot account has added your site or an endpoint as a monitor.

Does OnlineOrNot publish its IP addresses?

Its user-agent documentation lists no IP addresses. It suggests allowlisting the user agent in firewalls and bot detection tools.

Last updated Oct 14, 2026

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