kryu2

The DH WordPress Monitoring plugin only checks if the WordPress site is not stopped every 10 minutes just by installing the plugin.
This plugin will get your WordPress home_url and administrator email address to save you trouble.
Since information is transmitted using the WP-Cron function, there is a possibility that it may be erroneously determined that the site is stopped in the case of a site with less access.
This plugin access to external service below url for vital data logging. 
https://lab.dreamhive.co.jp/wp_monitoring/log
Our full privacy policy is here. 
https://www.dreamhive.co.jp/privacypolicy
PRIVACY NOTICES 
With the default configuration, this plugin, in itself, does not:
<ul>
<li>track users by stealth;</li>
<li>write any user personal data to the database;</li>
<li>use cookies.</li>
</ul>

Site Vital Monitoring by DREAMHIVE

This plugin checks every 10 minutes whether the WordPress site is not stopped.

dmytrokovalenko

Kovalenko Admin Change Audit helps site owners keep an audit trail of important administrative activity in a dedicated owner-only log viewer.
Features include:
<ul>
<li>Login and logout activity logging</li>
<li>Post creation, updates, trash actions, and permanent deletions</li>
<li>Plugin activation, deactivation, and deletion logging</li>
<li>Owner-only log viewer under the Tools menu</li>
<li>Live refresh, filters, sorting, and pagination</li>
<li>Optional second password layer before logs are shown</li>
<li>Configurable timezone with America/Edmonton as the default</li>
<li>Automatic cleanup of expired logs</li>
</ul>
The plugin does not require an external account or third-party service to function.

Kovalenko Admin Change Audit

Records important WordPress activity and provides an owner-only log viewer for monitoring client changes.

Site Vital Monitoring by DREAMHIVE vs Kovalenko Admin Change Audit