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Perfmatters vs Yottaa Real User Monitoring

Both stand on website monitoring software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Perfmatters

Paid Self-hosted

Perfmatters provides detailed WordPress performance controls across scripts, databases, media, and CSS. Review the yearly renewal terms and the absence of monitoring features alongside the optimisation toolkit.

Visit Perfmatters

Yottaa Real User Monitoring

Free plan APIWeb

Choose Yottaa Real User Monitoring if your commerce team needs performance visibility across the full delivery path, including route-level metrics and Core Web Vitals. Free diagnostics are available without a credit card. Check the package details if your retention needs extend beyond the listed 90+ days or depend on a specific historical-data window.

Visit Yottaa Real User Monitoring

The facts

PerfmattersYottaa Real User Monitoring
Free planNoYes
Open sourceNot publishedNot published
Runs onSelf-hostedAPI, Web
Lowest paid plan1 Site – Personal: $29.95 a yearYottaa Starter: $12,000 a year
Plans published36
MakerNot publishedNot published
Websiteperfmatters.ioyottaa.com
On website monitoring software#51 of 55#38 of 55

Perfmatters: what it does well

  • Per-page and device script controls
  • Scheduled database cleanup
  • Lazy loads multiple media types
  • Supports WebP and AVIF
  • Includes developer support and documentation

What to know first

  • Paid self-hosted WordPress plugin
  • Licenses renew yearly
  • Auto-renew is enabled by default
  • No SSL or latency monitoring

Yottaa Real User Monitoring: what it does well

  • Connects browser, edge, and origin performance data.
  • Breaks down LCP, INP, and CLS by page and element.
  • Reports soft navigation metrics for single-page applications.
  • Lists native integrations with GA4, Adobe Analytics, and Shopify Analytics.
  • Provides REST API and MCP server access to performance data.

What to know first

  • Request data setup uses Fastly real-time log streaming.
  • Historical retention varies by package.

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