Everything you need to make your site faster
Every test loads your page in a real Chrome browser and records everything that happens.
A grade from A to F
One clear grade, plus a performance score that uses the same scoring as Google's Lighthouse.
Core Web Vitals
Largest Contentful Paint, Total Blocking Time and Cumulative Layout Shift, the measures Google uses for search.
Waterfall chart
Every file your page loads, in order, with how long each part took: lookup, connection, waiting and download.
Filmstrip
See exactly what your visitors see, frame by frame, as the page appears.
What to fix, in plain English
The problems slowing your page down, most important first, with the exact files involved.
Test from 6 regions
Run tests close to your visitors: the UK and Western Europe, Eastern Europe, the east or west of the USA, Asia or Australia. Every report shows the city it ran in.
Keep an eye on your speed
Free accounts are coming soon, with monitoring that runs on its own.
Daily and weekly reports
A short email with your grade, your Core Web Vitals and anything that changed.
Alerts when your site slows down
We test your pages on a schedule and email you when they get slower.
History charts
See how your speed changes over weeks and months, and spot what made it worse.
Reports for clients
Branded PDF reports and team access for agencies and freelancers.
Made in the UK
Built and run by KT8, a UK company. Plans will be priced in pounds with proper VAT invoices, and your results are kept in Europe.
Test your site now