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Evidence · Automated engineering benchmark · United Kingdom
45s
on the laptop
Revalidation required
40s
on the phone
45 s on the laptop · 40 s on the phone
What you need to judge it
Front door to the Stripe hand-off, all fields typed
Result45 s on the laptop · 40 s on the phone
Spread39 s to 54 s (54 s is the florist run on the phone, the first-site outlier); every run reached the Stripe hand-off
Samplethe same 6 runs
Methodas above, continued through the package choice and checkout until Stripe's page is requested
Conditionsas above
When2026-11-08
Which buildbuilder speed1108d, 8 November 2026
What this does not establishIncludes 30 ms-per-key scripted typing of every field. A person types slower and thinks.
Waiting before the hand-off, the product's own: 2.8 s to 3.2 s across the other 5 runs, of which the warm-up screen after the interview, which lifts once the site is ready, never before 2.5 seconds and never after fifteen, by design, took 2.5 s to 2.7 s. The florist run on the phone, the first-site outlier, waited 18.0 s before the hand-off, 15.3 s of it for the builder page to finish loading, and 2.6 s on the warm-up screen.
Until 27 October 2026 this figure also counted the steps the script takes after the hand-off; it now stops at the hand-off.
RevalidationRevalidation required. The builder has changed since this was measured (tested against 1a3a3eddadf1, now 59d306177370).
The number on this page is what was measured then, and is not presented as current.
Underlying evidence
Recorded in the register, not yet published on the site.
Citing this
https://veloci.build/evidence/to-stripe is the address for this figure.
It carries the method and the limitation; a marketing page carries neither. If the number changes, this page changes with it.
Fingerprints are sha-256 (first 12) of veloci-builder.html and of compare-src/build.mjs at the time of the run.
Partner programme
That's the Starter bundle fee. They pay the same, and we never pay for reviews.