Is it clever to randomly display content on your web pages?
Do you want to show search engines that your website is being updated frequently by randomly displaying some information?
This doesn’t look like a good idea.
Having tested it on plenty of elements, such as the TITLE tag, the meta description tag or some parts of the texts were never significant.
Let’s get on the side of the search engines, now. What about a page whose main title changes every visit? How to analyze it and interpret these updates?
On the other hand, visiting the same resource within a few milliseconds and observing changes on characteristic elements is a fairly mundane process to identify a pseudo-optimization of this kind.
You should therefore choose a logical display with informations and beware of optimizations/modifications on old pages which generate of a lot of traffic. The aforementioned pages must make sense and bring added-value to the internaut.