Upcoming Tool · Performance

Website Performance & UX Experience Score

Combine Google Core Web Vitals (LCP, INP, CLS) with human UX perception metrics to eliminate conversion-killing speed bottlenecks.

Need a full diagnostic teardown today?

Our product design engineers provide tailored manual audits with high-converting Figma wireframes and technical recommendations.

Book Manual Audit →
Diagnostic Blueprint

What This Tool Will Analyze & Score

Engineered according to UI Pirate agency standards for high-performing digital products.

01

Largest Contentful Paint (LCP)

Measures when the main content block is visible.

Audit Parameter0–100 Weighted
02

Interaction to Next Paint (INP)

Scores UI responsiveness during user taps and clicks.

Audit Parameter0–100 Weighted
03

Cumulative Layout Shift (CLS)

Flags visual instability that causes accidental clicks.

Audit Parameter0–100 Weighted
04

Asset & Font Payload

Audits uncompressed imagery and render-blocking scripts.

Audit Parameter0–100 Weighted
Evaluation Methodology

How the Diagnostic Engine Works

01. Synthetic Test Run

Real-Device Emulation

Runs mobile & desktop network throttling tests.

02. Core Web Vitals Scan

Chrome UX Metric Audit

Extracts field and lab performance data.

03. Engineering Blueprint

Next.js & Asset Fixes

Prescriptive code optimizations for sub-second speeds.

Agency Service: Technical Web Architecture & Next.js

Need these optimizations implemented now?

Don't wait for automated tools. UI Pirate's senior product designers and engineers can audit, redesign, and ship your interface directly in Figma and Next.js.

Get Expert Help →
Technical Questions

Frequently Asked Questions

Why does site speed affect conversion rate?

Every 100ms delay in website load time drops conversion rates by roughly 7%.

UI Pirate Ecosystem

Suggested Tools for Your Stack

Explore related utilities in this workflow or discover cross-category tools.

View All Tools →