Web Speed Test & Optimizer

SpeedTest Pro - Free Website Speed Test & Optimizer

🔒 100% client-side – Your tests use public browser APIs only – Lifetime free with unlimited use – No ads or hidden fees

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SpeedTest Pro

Website Speed Test & Optimizer

Instantly analyze any website's load speed, performance metrics, and get actionable optimization tips. 100% free, no API keys, no tracking, works offline.

Enter Website URL

Test Type

Number of Tests

Network Throttling

Cache Setting

Performance Results

Overall Performance Score

Optimization Recommendations

Recent Tests

About Privacy Accessibility Help

SpeedTest Pro – Website Speed Test • Global Standard • Offline UI • No API Key • Lifetime Free • Commercial-Free • Global • 2025

Safe for commercial SEO, web development, marketing, agencies – Public data only – Complies with web standards

About SpeedTest Pro

SpeedTest Pro is a 100% free website speed testing tool that analyzes website performance using browser-native APIs.

Key Features:

No API keys required
100% client-side processing
No data leaves your device
Works offline after first load
No ads, tracking, or subscriptions
GDPR/CCPA compliant
Unlimited free tests

Metrics Measured:

Page Load Time
Time to First Byte (TTFB)
First Contentful Paint (FCP)
Largest Contentful Paint (LCP)
Cumulative Layout Shift (CLS)
Total Bytes Loaded
Resource Breakdown

Note: This tool performs tests from your browser and network location. Results may vary based on your connection speed and location.

Privacy Policy

SpeedTest Pro is committed to your privacy.

What We Do NOT Collect:

No personal information
No browsing history
No test results are stored on servers
No cookies for tracking
No analytics or telemetry

What We Store Locally:

Test history (optional, in your browser only)
Theme preference
Settings preferences

All test data remains in your browser. When you test a website, your browser fetches it directly. No intermediate servers are involved.

This tool complies with GDPR, CCPA, and other global privacy regulations by design.

Help & Tips

How to Use:

Enter a complete website URL (including https://)
Select test type (Desktop or Mobile simulation)
Choose number of test runs for more accurate results
Configure network and cache settings if needed
Click "Start Speed Test"

Understanding Metrics:

Page Load Time: Total time to fully load the page
TTFB: Time to first byte from server
FCP: When first content appears
LCP: When largest content element appears
CLS: Visual stability score (lower is better)

Keyboard Shortcuts:

Enter in URL field: Start test
Ctrl/Cmd + S: Export report
Ctrl/Cmd + H: View history
Escape: Close modals

Need More Help?

This tool uses browser-native Performance APIs. Some websites with strict CORS policies may not be fully testable. Try testing from a different network if you encounter issues.

Accessibility Statement

SpeedTest Pro is committed to making web performance testing accessible to everyone.

Compliance:

WCAG 2.2 AA compliant
Full keyboard navigation support
Screen reader optimized
High contrast mode support
Text resize without breaking layout
ARIA labels for all interactive elements

Accessibility Features:

Keyboard shortcuts for all major functions
Clear focus indicators
Semantic HTML structure
Alternative text for all visual elements
Screen reader announcements for test results
RTL language support (Arabic, Hebrew, Urdu, etc.)

Need Assistance?

If you encounter any accessibility issues, please try refreshing the page or checking your browser's accessibility settings. This tool works best with modern browsers that support the Performance API.