[WordPress] 外掛分享： Code Capsules Performance Monitor

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原文外掛簡介

Ever wondered why your WordPress site slows down under traffic, and whether it’s your plugins, your theme, or your host running out of room? This plugin answers that from inside your own wp-admin: how many PHP workers are busy right now, how long pages actually take to build, and whether visitors are starting to queue — the same kind of PHP-FPM and web server diagnostics a hosting engineer would normally have to SSH in to check.
Full live data requires a Code Capsules WordPress Capsule. On any other host, the plugin shows a clear notice instead of guessing or showing fake data — see the FAQ below for why, and what it looks like once you’re live.
It works by reading directly from the internal performance endpoints already built into the Code Capsules WordPress hosting image (PHP-FPM’s status page and nginx’s connection status). Those endpoints are bound to the capsule’s own loopback interface and are not reachable from the public internet — this plugin can read them only because it runs as PHP inside that same container. It does not affect page load performance for your visitors and does not touch the public request path.
What you get:

A live health summary — is your site keeping up, or under pressure?
Worker pool status: how many PHP workers are busy right now, out of how many available
Page build time, with history across 5 minutes, 30 minutes, 1 hour, 1 week, and 2 weeks
A plain-language “what this means” explanation of your current numbers — no Prometheus/Grafana experience required
Per-worker detail for spotting a worker stuck on a slow plugin or theme

A note on history: the 1 week / 2 week charts are built from samples taken roughly every minute via WP-Cron. If WP-Cron isn’t running reliably on your site (for example, if you’ve disabled it site-wide with no alternative trigger configured), history will have gaps — the chart tells you when this is happening rather than silently showing incomplete data as if it were complete.
Why is this a WordPress hosting monitor plugin instead of a generic one?
Most “site health” plugins can only measure what PHP itself can see — page generation time from the inside. They can’t tell you how many workers are free, whether the web server has visitors queued, or how close you are to your hosting plan’s ceiling, because that data lives outside PHP entirely, in the web server and process manager. This plugin can show it because Code Capsules deliberately exposes it, safely, from inside your own container.