watchlog

Watchlog RUM delivers Real User Monitoring for WordPress sites by mirroring the Watchlog Vue/React SDK event format. It tracks session lifecycle events, performance metrics, network activity, resource usage, and optional Web Vitals so you can understand how visitors experience your site in production.
<ul>
<li>Automatic <code>session_start</code>, <code>page_view</code>, and <code>session_end</code> events.</li>
<li>Navigation/paint timings plus optional Web Vitals (CLS, LCP, INP, TTFB, FID).</li>
<li>Instrumentation for <code>fetch</code>, <code>XMLHttpRequest</code>, long tasks, resources, and user interactions.</li>
<li>Breadcrumb and error capture hooks to enrich every event.</li>
<li>WordPress-aware route normalization and session persistence to align data with SPA SDKs.</li>
</ul>
<h3>Third-Party Libraries</h3>
<ul>
<li>web-vitals (GoogleChrome/web-vitals) — Source: https://github.com/GoogleChrome/web-vitals — License: Apache-2.0 — Bundled file: assets/js/web-vitals.iife.js</li>
</ul>

Watchlog RUM

Real User Monitoring (RUM) for WordPress powered by Watchlog.

pagevitals

PageVitals is a RUM plugin that integrates PageVitals into your WordPress site, monitoring real user performance metrics. Note: This plugin relies on the external PageVitals service to process data. No personal user behavior is tracked, but anonymized performance data is sent to PageVitals.
Data Collected includes: 
– Browser performance metrics (LCP, CLS, INP and other anonymous performance metrics). 
– Country (via the IP address), browser, and device type. 
– No IP addresses or user-agent strings are stored. 
– No cookies are read or written 
– No user behavior is monitored, such as mouse or keyboard events
The script is loaded via the subdomain cdn.pgvt.io and the performance data is sent to the sundomain <code>in.pgvt.io</code>.
You can visit PageVitals here: https://pagevitals.com
For full privacy details, refer to our Privacy Policy (https://pagevitals.com/privacy/) and Terms of Service (https://pagevitals.com/terms).
Benefits
PageVitals can help you:
<ol>
<li>Track Core Web Vitals: Understand critical performance metrics like LCP, INP, and CLS that directly impact your SEO rankings and user satisfaction.</li>
<li>Optimize Website Speed: By analyzing how real users experience your website, you can make data-driven decisions to improve loading times and responsiveness.</li>
<li>Identify Bottlenecks: Monitor slow-loading assets, heavy scripts, and third-party services that may be holding back your site’s performance.</li>
<li>Boost Engagement and SEO: Sites that load faster keep visitors engaged longer and improve your rankings on search engines, giving your site an edge over competitors.</li>
<li>Make Informed Decisions: Use real user data to decide what areas of your site need optimization and measure the results of your changes.</li>
</ol>
<h3>Features</h3>
<ul>
<li>Real User Monitoring: Collect real-time data from actual visitors.</li>
<li>Core Web Vitals: Monitor LCP, INP, and TTFB automatically.</li>
<li>Flexible Setup: Choose which pages to monitor and adjust CSP settings.</li>
</ul>
<h3>License</h3>
This plugin is licensed under the MIT License. For more details, see the license file included with this plugin.

PageVitals

Integrates PageVitals Field Testing (RUM) into your WordPress site.

Watchlog RUM vs PageVitals