If the current page should have a service worker, you could look for errors in the <a>Console</a> or step through your service worker registration in the <span>Debugger</span>.
Kung ang kasalukuyang pahina ay magkakaroon ng isang service worker, pwede kang maghanap ng mga error sa <a>Console</a> o mag-step through sa iyong service worker registration sa <span>Debugger</span>.