Xponent Docs

The manual for your managed site.

Docs Category: Performance & Caching

Caching / CDN Conflict: Why Cache Layers Must Not Stack

Last Updated: August 31, 2026

Overview A WordPress site should run exactly one full-page cache layer. Two Xpulse alerts protect that rule: a critical one when two or more full-page caches are active together (or a full-page cache runs alongside another caching/CDN layer that duplicates it), and a warning when a page-cache plugin is flagged. Double-caching looks fine at first,...

Caching & Performance Infrastructure

Last Updated: August 31, 2026

Overview Speed is the foundation of a good website experience. Xponent runs a layered caching and performance stack so your site loads fast without you having to manage technical details. The Xponent Stack (Performance Layer) Layer What it does OpenLiteSpeed + LSCache Full-page caching at the server edge: serves repeat visitors instantly Redis object cache...

Server Load: High Load & Critical Load Alerts

Last Updated: August 31, 2026

Overview Xpulse monitors the server’s load average and raises an alert when the box is oversubscribed. Two severity levels, one cause: the server is busier than its CPU cores can comfortably handle. The alert reads the 15-minute load average (the smoothest measure) and compares it to the server’s CPU core count, so it is meaningful...

Troubleshooting 502/504 Gateway Timeouts

Last Updated: August 31, 2026

Overview A 502 Bad Gateway or 504 Gateway Timeout means your site’s web server couldn’t get a response from the application in time. For WordPress sites, this is almost always a PHP/application issue: not a “broken website.” This article explains what causes it and what Xponent does about it. What Causes It Cause Description PHP...