Potential 300ms Tap Delay
Minorperf-mobile-tap-delaymobile only
What it checks
Without touch-action or proper viewport, touch interactions have a 300ms delay
How to fix it
Add <meta name="viewport" content="width=device-width, initial-scale=1"> to eliminate the tap delay
More detail: https://developer.chrome.com/blog/300ms-tap-delay-gone-away/.