Here is my experiment with delaying JavaScript execution order. I have tried various methods I can remember and all failed. So, I have written an efficient script (I think!) for delaying the execution of dependent JavaScript code.
I had three lines of code. First was External JavaScript file. Second was call to a function declared inside [...]

Use of JavaScript and Iframe/Frame in website can be very bad for Search Engine Optimization. Little bit of JavaScript can be taken care of by Search Engine but Iframe is no-no for Search Engine. Mixing both of JavaScript and Iframe is too bad for SEO point of view. It will affect you website ranking.
See [...]