Page jump code implemented using meta_Basic knowledge

Hello, nice to meet you. I downloaded the code of the classified information network online and uploaded it to the space, but the default homepage name required by the space is index.htm, but the name of the homepage that provides the code is pop_ad, and the result is that the webpage cannot be opened
My suggestion is as follows:
Hello
You can use the jump code to point the homepage to pop_ad
Look at my 404 page
http://www.jb51.net/404
Just add a line of code to the page

content=5 This is time The number of seconds can be directly set to 0
You try it

The first method: