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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.

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We'll help you improve your web performance.

If you're struggling with site speed, have questions you want answered or just need someone to bounce ideas off, we'd love to share what we know.

Cliff Cliff Crocker
Tammy Tammy Everts
Andy Andy Davies
We can't wait to connect!
Name
Business Email
Company Website
Page views per month
Your role
Good
24.7
Needs Improvement
21.1
Poor
54.2
World Map
Melbourne, Australia
43 seconds ago
Web Vitals
Poor
AU
San Francisco, USA
5 seconds ago
Web Vitals
Good
US
Skater Skater

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

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

SpeedCurve Synthetic
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

TV Mode
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.

Team
New Features
Synthetic On-demand testing
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.
Interaction to Next Paint Attribution
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
Casper
How Casper shaved 1.7 seconds off casper.com by self-hosting Optimizely
We recently deployed a change to casper.com that loaded a piece of 3rd party JavaScript from our own server instead of the vendor’s server. This change shaved 1.7 seconds off of the start render time...
Read Story
Pinterest
Pinterest builds a Foundation for Performance
How the web performance team tackled the task of gathering data, prevented performance regression as developers shipped new features, executed on the best opportunities to improve the Pinterest experience for our users, and made performance a priority for the company...
Watch Talk
The Telegraph
Improving third-party web performance at The Telegraph
We use SpeedCurve and have found it invaluable to help pinpoint potential problems along the way. The dashboards they offer around JavaScript usage and third-parties remind us to keep a record of where we’ve come from and where we need to be...
Read Story
The Telegraph
Improving Cumulative Layout Shift at Telegraph Media Group
The leading UK news website used SpeedCurve to demonstrate how they improved their 75th percentile CLS by 250% from 0.25 to 0.1...
Read Story
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
1
Track performance metrics. Set goals and create performance budgets for the most important metrics.
2
Integrate performance testing with your CI/CD process. Run A/B tests. Correlate speed with business metrics.
3
Reach performance goals and fight regressions. Get alerts when your pages get slower and fix them.
4
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.
Ready to speed up your web performance and make your users happy?

Get a free performance consult

Talk to the team and tell us about your current performance challenges. We'll share some tips and walk through how SpeedCurve can best help.

Start a free trial

Start collecting data and exploring the dashboards yourself. Check your vitals, benchmark your competitors. Reach out anytime you need some help.

Free trial