Google PageSpeed insights
Trigger: !pagespeed
Try it
Kagi would openhttps://developers.google.com/speed/pagespeed/insights/?url=github.com
Run @pagespeed in Kagi for Kagi's own results from developers.google.com only
URL pattern: https://developers.google.com/speed/pagespeed/insights/?url=query
Searches developers.google.com, filed under Tools (URLs).