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Performance score (0-100): how it is calculated

< 1 min read

Requires Opti-Behavior Pro. Errors & Performance is a Pro module. View pricing or start the 6-month free trial.

The performance score condenses a page’s Core Web Vitals into a single 0–100 number so you can rank pages at a glance.

Requirements #

  • Plan: Opti-Behavior Pro

Where to find it #

Go to Opti-Behavior → Errors Tracking → Performance. Each page shows its score alongside its vitals; the header shows Avg Performance across the site.

Performance tab table with a per-page performance Score column showing 0-to-100 scores alongside load time and Core Web Vitals metrics

How the score works #

  • The score is derived from the page’s real-user Core Web Vitals (such as LCP, INP, and CLS).
  • Better vitals produce a higher score; a slow or unstable page scores lower.
  • A higher number is better: treat scores as a quick triage, then open the vitals to see the specific weakness.

Expected result #

You can sort pages by score, fix the lowest first, and watch the score improve as vitals improve.

FAQ #

Why does my score differ from a lab tool? #

This score uses field data from your real visitors, so it reflects real conditions rather than a single lab run.

Related articles #

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