Website uptime monitoring, downtime alerts and an 11-check WooCommerce Health diagnostic with store health alerts.
Alternatives to Relay
Plugins below are selected for functional relevance and current directory signals. Active-install counts do not affect this ranking.
WordPress plugins with similar use cases
Compatibility and update metadata provide context, not a quality guarantee. Review each plugin’s details for your site.
The lightweight, headless REST API for monitoring WordPress core, plugin, theme updates, and SSL certificate expiry.
A developer-focused tool for monitoring, debugging, testing, and logging WordPress REST API requests and external API integrations.
Free uptime monitor with downtime alerts. Your site is checked from outside every 60 seconds, and you get one email when it is down.
24/7 uptime monitoring for websites, servers & APIs. Instant alerts, SSL checks, and performance insights. Free forever plan available
Detect PHP error spikes, recurring patterns, request impact and source-version changes with grouped local diagnostics.
External uptime monitoring, SSL certificate expiry alerts, and domain expiry monitoring for WordPress. 1-click setup. 100% free.
Monitor installed plugins for known vulnerabilities, update gaps, compatibility signals, and security risk indicators.
Inventory, audit, and monitor WordPress Abilities API usage.
Monitor websites and heartbeat clients from WordPress with email or Pushover downtime alerts.