monitorcat

Monitor.Cat is a lightweight WordPress toolkit that helps you understand and improve your site’s SEO, performance, and system health — all from one beautiful dashboard.
No external services required. Everything runs locally on your WordPress installation. No accounts to create, no API keys to configure, no data leaves your site.
<h4>SEO Analysis</h4>
Scan any post or page for SEO issues with 10 built-in analyzers:
<ul>
<li>Meta tags — Title and description length, presence, and uniqueness</li>
<li>Open Graph — OG and Twitter Card tag verification</li>
<li>Heading hierarchy — H1-H6 structure validation</li>
<li>Image alt text — Coverage analysis across all images</li>
<li>Schema.org — Structured data detection</li>
<li>Links — Internal and external link analysis</li>
<li>XML Sitemap — Sitemap availability check</li>
<li>Robots.txt — Search engine visibility verification</li>
<li>Canonical URLs — Duplicate content prevention</li>
<li>Readability — Content readability scoring</li>
</ul>
<h4>Speed Optimization</h4>
Analyze and improve your site’s loading performance:
<ul>
<li>Page weight — HTML size and resource analysis</li>
<li>Image optimization — WebP availability and lazy loading check</li>
<li>Asset audit — CSS/JS file count and render-blocking detection</li>
<li>Database cleanup — Remove revisions, auto-drafts, spam, and expired transients</li>
<li>Caching — Object cache, page cache, and browser cache detection</li>
<li>Compression — GZIP/Brotli compression verification</li>
<li>Response time — Server TTFB measurement</li>
</ul>
<h4>System Diagnostics</h4>
Comprehensive environment information at a glance:
<ul>
<li>PHP version, extensions, and configuration</li>
<li>WordPress version, debug settings, and constants</li>
<li>Database server info and table statistics</li>
<li>Web server, disk space, and SSL status</li>
<li>Active plugins and theme details</li>
<li>Health checks: cron, REST API, permalinks, file permissions</li>
</ul>
<h4>Coming Soon</h4>
Additional modules are in development:
<ul>
<li>Security — Login protection and hardening</li>
<li>Backup — Scheduled database and file backups</li>
<li>SMTP — Mail configuration and testing</li>
<li>Redirect Manager — URL redirect management</li>
<li>Scanner — Malware and integrity scanning</li>
</ul>

Monitor.Cat

SEO analysis, speed optimization, and diagnostics toolkit for WordPress. All-in-one site health from one dashboard.

PiotrPress

Clearcode

This plugin can report PHP errors to <a href="https://sentry.io/" rel="nofollow ugc">Sentry</a>. You need only set Sentry DSN and select Error Levels in plugin settings.

CC-Sentry

This plugin integrates your WordPress site with Sentry error logging system.

Monitor.Cat vs CC-Sentry