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Instant Core Web Vitals with filmstrips, screenshots, and waterfalls—in a report yourclients can actually read.
Tests completed
Average improvement
Report delivery time
Transform performance data into actionable insights. Get the depth you need with the simplicity your clients expect.
Paste a URL, get results in seconds. No configuration, no queues, no complexity. Just instant, credible performance data.
Resource and JS function waterfalls reveal the exact script or host causing slowdowns. No guesswork, just answers.
Clean links and white-label reports for clients and execs. Turn complex performance data into compelling stories.
JS function waterfalls and resource timing you can't get elsewhere. See exactly which functions are blocking your Core Web Vitals.
Performance testing that drives real business results
Catch performance regressions before they hit production. Validate Core Web Vitals with visual proof that stakeholders understand.
Pinpoint the exact script or resource causing slowdowns. No more guessing—just direct paths to fixes.
Filmstrips and screenshots turn metrics into stories. Show clients and executives exactly what needs fixing.
From website URL to actionable insights in 4 simple steps
Just paste your URL and click "Start Test" - no sign-up required for your first test
Grab a coffee while we test your site from multiple global locations
Get your detailed report with specific, prioritized fixes you can implement today
Follow our step-by-step guide and track your improvements with regular re-testing
"After years of helping businesses optimize their websites, I was frustrated by how long it took to get actionable performance insights. Existing tools were either too complex, too expensive, or took forever to generate reports."
"SpeedSignal was built to solve this problem. We use enterprise-grade testing technology to deliver the insights you need in minutes, not hours, at a price that makes sense for growing businesses."
SpeedSignal Team
Web Speed Specialists
Not satisfied? Get your money back, no questions asked.
Bank-level security for your website data and privacy.
Direct access to our team for help and guidance.
WebPageTest is built for performance engineers. SpeedSignal is built for agencies who need to show clients what's broken and how to fix it.
| What Agencies Need | WebPageTest | SpeedSignal |
|---|---|---|
| Client Communication | Technical jargon, hard to explain | Plain English insights clients understand |
| Time to Value | 30+ minutes to set up and interpret | Shareable report in under 2 minutes |
| White-label Reports | ❌ No branding options | ✅ Your logo, your brand |
| Issue Identification | Raw data, requires interpretation | Pinpoints exact problems + solutions |
| Multi-client Management | ❌ No client organization | ✅ Built-in client dashboards |
| Learning Curve | Steep - requires performance expertise | Gentle - designed for non-experts |
No contracts. Cancel anytime. Built for agencies who need results, not complexity.
All plans include filmstrips, waterfalls, JavaScript function profiling, and email support.
Common questions about our performance testing platform