1 hour ago
A lab test helps reproduce a problem under a specific set of conditions. Field data reflects the experience of actual visits over time. Both are useful, but they answer different questions.
When sharing a performance issue, include the page type, device, test conditions, and whether the problem is visible in field data. Identify the slow resource or interaction before recommending a fix.
What changes have made the biggest difference in your projects?
When sharing a performance issue, include the page type, device, test conditions, and whether the problem is visible in field data. Identify the slow resource or interaction before recommending a fix.
What changes have made the biggest difference in your projects?