Use js to calculate the time it takes to load the page_javascript skills

Client code writing method:
Add the initial time in the Head section of the page

Copy the code The code is as follows:

Add

to Body Copy code The code is as follows:

Insert a tag with the ID TimeShow where it needs to be displayed

Server code writing:

Copy code Code As follows:

protected DateTime dt;
protected void Page_Load(object sender, EventArgs e)
{
}
protected override void OnPreInit(EventArgs e)
{
dt = DateTime.Now;
base.OnPreInit(e);
}
protected override void OnLoadComplete(EventArgs e)
{
base.OnLoadComplete(e);
TimeSpan ts = DateTime.Now - dt;
Response.Write("Time to load page:" ts.TotalMilliseconds);
}