The gold standard for web performance testing and optimization

Build websites that your users love.

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The secret to happy users: proactive web performance monitoring

Ensure your website is fast, reachable, reliable, and customized for your end user's needs.

Test, track, compare, and improve performance over time

Continuously monitor Lighthouse scores, Core Web Vitals, and other critical metrics to enhance SEO rankings.

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Schedule and compare tests with a variety of devices, network speeds, locations, viewports, and browsers.

Set performance budgets and alerts to stay on top of your web performance, eliminating unexpected slowdowns or performance degradations.

Leverage AI-powered dashboards, smartboards to track your website’s performance trends and debug issues in a single place.

Paint a comprehensive picture of your users

Combine WebPageTest metrics with deep insights of real user monitoring (RUM) for a holistic view of website performance and the actual end-user experience.

Trusted by the world's top brands

Your one-stop shop for high-performing, always-available websites

Developer-first API from within your existing workflows

Seamlessly integrate website performance into your CI/CD environment with the WebPageTest API and make webperf an essential part of your development workflow.

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Opportunities & no-code experiments

Discover performance, accessibility, and resilience Opportunities and instantly test the impact of suggested optimizations, without changing your actual site.

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Carbon Control

Measure the estimated carbon footprint and   page weight of your websites. Gain visibility into Internet-related CO2 emissions and reduce your footprint with suggested performance optimizations.

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Achieve resilience with Internet Performance Monitoring (IPM)

Get ahead of incidents before they impact your business

Catch and troubleshoot any issues in your Internet Stack, including BGP, CDN, and DNS services, before they impact revenue.

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Monitor from where it matters

Monitor from the most important markets to your business with the largest active monitoring network in the world.

With 2800+ vantage points worldwide, Catchpoint helps proactively identify and resolve issues before they impact customers, ensuring peak performance and availability.

Global observability network

AI-powered capabilities

Leverage customer experience scores, SLA forecasting, root cause identification, and other smart capabilities for improved visibility.

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Ready to get started on your performance journey?

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Real experience

Test your user’s real experience with global locations, modern devices, and the latest browser versions.

Video Capture

Correlate your user’s visual experience to the technical measurements of your site.

In-Depth Metrics

Dive into the anatomy of your webpage with components like DNS, TCP, TLS, and more.

Alex Russell
Program Manager

The best professional web performance investigators I know use WPT as a critical part of their workflows, and it's the center of mine.”

Explore Internet Performance Monitoring Resources

Catch issues before they impact your website and business. Discover our enterprise-ready IPM solutions and use cases.

Webinar

What’s required for modern observability in 2025?

Webinar

State of DevOps: 2024 DORA Report Insights with Google

Report

The SRE Report 2025