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Your page loads once in a real browser on our server, and you get what actually happened: paint timings, where the bytes went, how many requests it took, and which asset weighed the most — with recommendations that cite the number that triggered them. A measurement you can act on, not a score to worship.
One real load in a browser on our server — measurements, not a synthetic score. Nothing is stored and the address is never logged.
Type or paste a public web address. Nothing about your own files or device is involved — only the page you name.
This is one of the few Programs tools that can’t run on your device — browsers deliberately can’t read other websites. Our server fetches the page and sends the result straight back: nothing is stored, and the address is never logged or put into analytics.
Take the result to your clipboard, or save it as a file. No copy is kept on our side — there is no storage for one to sit in.