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Continue to ChatQuery : Determine web page draw time via a program Google Chrome has a nice tool to determine the time the page begins drawing, in the Network tab in Developer Tools. Similarly sites like webpagetest.org https://vmapp.org/query/89277/Determine-Web-Page-Draw-Time-Via-A-Program-Google-Chrome-Has-A-Nice-Tool-To-Determine-The-Time-The-Page-Begins-Drawing-In-The-Network-Tab-In-Developer-Tools-Similarly-Sites-Like-Webpagetest-Org/