LMN Site Monitorv1.2.0
A lightweight WordPress uptime and SSL monitoring plugin with email alerts, ECharts performance charts (2D/3D), and dashboard widget.
Alternatives to Qndrs Availability and Heartbeat Monitor
Plugins below are selected for functional relevance and current directory signals. Active-install counts do not affect this ranking.
Relevant replacements
WordPress plugins with similar use cases
Compatibility and update metadata provide context, not a quality guarantee. Review each plugin’s details for your site.
Titanium Site Watch – Website Uptime Monitoring & Downtime Alerts with Health Checks for WooCommercev1.0.8
Website uptime monitoring, downtime alerts and an 11-check WooCommerce Health diagnostic with store health alerts.
Free SSL, domain expiry and cron monitors in WordPress. Connect a free account for external uptime checks every 5 minutes and email alerts.
SiteWatcherv1.4.0
Monitor your website for changes and concerns with SiteWatcher, and replace the WordPress update e-mails with SiteWatcher notifications.
Website Checkupsv1.2.3
24/7 uptime monitoring for websites, servers & APIs. Instant alerts, SSL checks, and performance insights. Free forever plan available
LukStack Uptime Monitorv2.4.0
Monitor multiple websites for uptime, performance, and SSL certificate expiration. Built-in remote cron for reliable checks — no third-party services …
Detect PHP error spikes, recurring patterns, request impact and source-version changes with grouped local diagnostics.
UKH Uptime Monitorv1.0.3
Monitor your WordPress site uptime with email alerts when your site goes down.
SavaPato Uptime Monitorv16.8.1
Monitors the uptime of your websites and sends email notifications when downtime is detected.
Free uptime monitor with downtime alerts. Your site is checked from outside every 60 seconds, and you get one email when it is down.