Here is a great article on Hub Spot outlining how Facebook's Algorithm works...EdgeRank. This explains how certain posts will pop up from your connections, while others don't...it is all about...Great Read...
Are you wondering why your page loads really slow?
Here is a really great place to start testing all of the elements of your websites pages. Test Image compression, excess CSS rules, etc. The faster your load time, the better your results!!
Google Page Speed Insights Tool... Read On!
Ajax is not a single element, but a combination of HTML and CSS in combination with JavaScript...changing static elements of a website, and makes them more interactive and dynamic.
Here some good links to start understanding the language of AJAX...
A Quick Guide to Understanding AJAX
Mastering AJAX, Part 1: Introduction to AJAX
If you are like me, here is a video...