AJAX
You will see AJAX (Asynchronous JavaScript and XML) at work in most Web 2.0 websites. Basically, it allows a web page to request new data from a server and publish it on a webpage without the page having to reload entirely. It makes for a much more fluid user experience. However, it does make certain SEO techniques ineffective.
API
API stands for Application Programming Interface. An API provides the tools for building software applications. In Web 2.0, APIs allow for the 'programmable web' where online applications can be run through browsers with Google Documents being a prime example of a Web 2.0 application.
Blog
Blogs were one of the first types of Web 2.0 websites to go main stream. Basically, a blog is an online journal. There are millions, if not billions, of them out there covering just about every subject imaginable. What sets them apart from traditional websites is their content management and user comment ability
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1bigbigbig 2 years ago