OnlineOrNot

Pricing and hosting

Pricing

Free plan

Free plan

2 users, 3-min check interval

Open source

No

Self-hosted

No

Launched

2021

Status

Active

Website

onlineornot.com

Plans and prices change; check the tool's own site before you decide.

What it does

Uptime and synthetic monitoring checklist

8 of 10 confirmed in OnlineOrNot's own documentation. The same checklist is used for every tool in Uptime.

• + HTTP checks Yes
• + Keyword checks Yes
• ? SSL certificate expiry Not confirmed
• + TCP port checks Yes
• ? Ping checks Not confirmed
• + DNS checks Yes
• + Multi-location checks Yes
• + Checks every minute or faster Yes
• + Browser or multi-step checks Yes
• + Status page Yes

SSL check fails on expired or invalid certs; advance expiry warning not documented

Checked against: onlineornot.com, onlineornot.com (2), onlineornot.com (3), onlineornot.com (4)

Alternatives to OnlineOrNot

Other uptime and synthetic monitoring tools. See all 40.

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• Downtime Monkey Website uptime monitoring with downtime alerts and a generous free plan, aimed at small sites and people watching many client websites.
• FlareWarden Uptime, SSL, DNS and page-content monitoring that confirms an outage from several regions before alerting, with cron checks and status pages.