Dummy Javascript for a fast load time

In the HEAD section is no JavaScript loaded. The load of the JavaScript occurs only at the end of the page. To bridge this time are in the HEAD short dummy functions.

Dummy definitions for mouse over effects
When the JavaScript is loaded at the end of the page, much time can pass at a slow internet connection between show the content and loading the JavaScript. In this time, mouse over effects can cause javascript errors. So in the <HEAD> is defined: <SCRIPT>
function bp(){}
function oc(){}
function tn(){}
</SCRIPT> That are all used mouseover functions bp = ButtonPicture, oc = OverlayChange, tn = ThumbNail. As soon as at the end of the page, the real JavaScript is loaded, the dummy functions are replaced by the real functions. Until this time, natural, the mouse over effects do not work. But for the visitors is it better to be able to read a page in the first seconds, where the mouse over effects are not working, instead of staring on an empty page.

Load time optimization basics
	What can at all being optimized at the load time? Basics for the load time optimization of web sites. How is the load time defined

Load time optimization by CSS Cascading Style Sheets
	Already with the first 4 received TCP/IP package, the browser should be able to render the most important contents of the web page. Optimization step CSS.

Load the background graphic later
	In 99% of the cases, the background graphic is not the most important to deliver as quick as possible to the visitor. The load time of other elements is more important.

Load time optimization: Content first
	Now we have learned all measures, in order that rendering the web page can start with the first 4 TCP/IP package from the server. But what should the browser do with it?

Load time test
	Erase the cache and after this far far away from the next cellular station visit the web site. Document the load with a video.