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SpeedCurve is now part of the Embrace family! There are no changes to how you use our products. Our founder Mark shares what this means...

Faster site. Happier users.

Track web performance, fix issues and boost user engagement. Expand your team's capability and culture with coaching from the most experienced folks in web performance.

Or book a chat with us.

Good

24.7

Needs Improvement

21.1

Poor

54.2

Melbourne, Australia

43 seconds ago

Web Vitals

Poor

San Francisco, USA

5 seconds ago

Web Vitals

Good

Don't ship features and hope they're fast enough.
Fix your site speed first.

Be confident your site is fast and all your users are having a great experience.

Track performance metrics

We collect all the metrics you need to track web performance and correlate speed with business outcomes.

Synthetic, RUM, Lighthouse, Core Web Vitals, User Timing, Element Timing, Competitors, Conversion Rate, Bounce Rate...

We've got them all.

Find & fix performance issues

Tracking metrics is the easy bit. We focus on turning that data into meaningful actions you can take to improve your user experience.

We tell you which users are having the worst experience and how to fix your pages to lift them onto a faster and higher converting path.

Build a performance culture

Our small and dedicated team will help coach and build a performance culture across your organization.

We love working alongside folks from all parts of the business including front-end, SEO, product, marketing and management.

We get everyone focused on creating a fast, joyous user experience with higher conversion rates.

We've helped speed up these websites

SpeedCurve is worth its weight in gold. It highlighted performance bottlenecks and benchmarked us against competitors. We discovered an issue with blocking scripts in our SPA and improved performance by 40%. So valuable for securing stakeholder buy-in.

Elliot Crush
Holiday Extras

All the metrics

Comprehensive web performance monitoring.

SpeedCurve collects all the web performance metrics you need in one place.

From lab-based synthetic testing to real user monitoring along with conversion rates and much more.

Run A/B tests and correlate performance improvements with better business outcomes.

Web Performance Guide

Powerful features

Stand in your customers' shoes. Find and fix performance issues.

Our dashboards focus on the users who are struggling to connect with your app/service and having the worst user experience.

Easily find those users having a poor experience. We'll show you what to fix and which metrics need the most attention to improve user experience.

Explore features

People matter

Chat with the most experienced people in web performance.

We can help you with anything from auditing your pages to configuring your monitoring to calculating the ROI of investing in performance. Our team includes some of the most experienced performance experts in the industry.

Benefit from our 20+ years of making mistakes – and ultimately learning how to get it right.

Book a chat

New Features

On-demand testing

By popular demand, we've added on-demand testing in the SpeedCurve UI. You can now test any URL you like, any time. This is great for testing out competitor pages or your own scripts.

INP sub-parts & attribution

We've released more diagnostic detail for Interaction to Next Paint (INP). Identify which elements on your site are causing delays during interaction and use the subparts to pinpoint the cause.

The fastest sites depend on SpeedCurve

Introducing a faster BBC News front page

Javascript Media

I have regularly and loudly complained that the BBC News website is unnecessarily slow, so when I was given the opportunity to help rebuild one of the most visited pages of BBC News—the front page—I jumped at the chance...

Read Story

Designing a sustainable front-end toolset for Financial Times

Performance Culture Media

The Financial Times explain how they cut Time To Interactive in half across their main applications while keeping the process sustainable and supportable.....

Read Story

How Ancestry shifted to user-centered performance metrics

Conversions Engagement Performance Budgets

Ancestry.com saw a 7% increase in conversions after improving render time by 68%, page weight by 46% and load time by 64%...

View Slides

How PerfOps is revolutionising performance at Marks & Spencer

Performance Culture Third Parties Traffic

In this talk, Andy shares Marks & Spencer’s performance journey, what they learned along the way, and where they plan to go from here...

Watch Talk

More performance wins

Had a third party degrade web performance and got alerted by SpeedCurve. Raised the issue with the third party and they fixed it. Metrics now back to normal!

Rockey Nebhwani
Walmart

Strategic Performance Process

Track performance metrics. Set goals and create performance budgets for the most important metrics.

Integrate performance testing with your CI/CD process. Run A/B tests. Correlate speed with business metrics.

Reach performance goals and fight regressions. Get alerts when your pages get slower and fix them.

Build a performance culture by sharing progress across the organization.

We are here to support you on your performance journey

We are obsessed with web performance. We want your organization to care about it, too. We make performance digestible for people who are just getting started. For those who are more experienced, we can go much deeper – for example, with custom metrics and dashboards. Wherever you are in your performance journey, we’re here to listen and help.