A Website Monitoring Alternative To SpeedCurve

DebugBear helps you optimize page speed and Core Web Vitals

Use experiments to try out performance optimizations.

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Speedcurve alternative page speed dashboard
”We've updated around 15,000 pages and saw some nice gains from it. "Good URLs" and their impressions have increased 3x since implementation.“
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Rafayel Begoyan
Senior SEO Specialist
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”DebugBear has been an eye opener for us and has really shown what's causing the Core Web Vitals issues on our website.
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Mandip Ahdan
Head of Engineering
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Trusted By Hundreds Of Happy Customers
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Run lab tests from 30+ test locations

Track page speed over time

DebugBear runs tests on a schedule, visualizes site speed over time, and alerts you when there's a performance regression.

Monitor Google Lighthouse scores

DebugBear builds on top of Google Lighthouse but expands on it with detailed debug data and high-quality data.

Front-end web performance monitoring dashboard

Monitor real user data

Track visitor experience across your whole website

Simply install our analytics script to identify slow pages and optimize them.

Detailed debug data

See how users interacted with the page and what UI elements are responsible for the Largest Contentful Paint, Cumulative Layout Shift, and Interaction to Next Paint.

LCP Histogram with bounce rate correlation

Track Google Core Web Vitals

Core Web Vitals field data

DebugBear uses Google's Chrome User Experience Report (CrUX) to show how real users experience your website. This is important, as it's what Google uses in its search rankings.

Web Vitals debugging

Our product is built to help marketing and development teams optimize their Core Web Vitals. Get detailed reports for each metric and see how you can optimize it.

Synthetic and google crux data

Run site speed experiments

Try out optimizations without deploying code

Simply modify the page HTML to add a priority hint, preload, or remove a render-blocking script. See how fast the page would be with that change.

Create detailed tickets for your team

"Improve Core Web Vitals" is too broad. Experiments let you try out potential optimizations and share the ones that work best with your development team.

Site speed experiements

In-depth INP debug data

Identify page elements with slow interactions

Break down Interaction to Next Paint by page element to see what parts of your page are causing slow interactions.

INP Script Analysis

Identify specific scripts that are slowing down interactions and see why they are running.

INP Debug data with scripts and processing breakdown

How is DebugBear different from SpeedCurve?

Both are solid tools

Speedcurve and DebugBear provide reliable web performance data, performance recommendations, and detailed request waterfall for debugging. A lot comes down to what works better for you.

Easy to set up

Simply paste the URL of your website or that of a competitor into DebugBear to start monitoring it.

Built for Core Web Vitals

DebugBear has been built with Core Web Vitals optimization as a key goal.

Web performance monitoring: filmstrip and list of request

Get set up in minutes.

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