Site performance
Test a page on a phone that is not your fastest device
A narrow browser window is useful for checking layout. A real phone helps reveal the pauses and awkward interactions that the layout alone cannot show.
Open guide ↗Independent WordPress guides
Site performance
Understand what loads, what waits and what to measure.
Site performance
Keep a short record of each speed change
Write enough to repeat or reverse the experiment. A useful change record can be shorter than the conversation about why the score moved.
Open guide ↗
Site performance
Know when an optimization is no longer worth it
A speed improvement should earn its maintenance cost. Decide what visitors need and what you are willing to risk before pursuing another score point.
Open guide ↗