How to show the number of requests and loading time opencart?

Tell me how to display on the pages therefore the page load time and the number of queries and query execution time?
April 4th 20 at 13:10
1 answer
April 4th 20 at 13:12
Ready-made solutions do not know, but if you need to develop this information can be found in panel design Chrome (for example) 5e37365a21ac0486195939.png

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