How fast the page is for a real visitor
Whether the first screen arrives quickly on a phone connection. This check reads the page once from a server, which says nothing about what a visitor on a train sees.
Last updated October 29, 2026
Needs the deployment
Why a check from outside cannot see it
How to check it yourself
Run Lighthouse on the published address with the mobile profile and a slow connection, and read the largest contentful paint.
What a Launch Review does instead
Launch Review, $199
See what a Launch Review coversIncidents that involved this
No incident in the library maps to this one yet.
ShipReady is not a penetration test or a security certification. No automated check can prove an application is secure.
Last updated October 29, 2026