As a URL is a very important part of a website it is a good way to make it SEO friendly. This will give your website a boost in rankings in the natural search engine results, thus, giving you many potential visitors to your website.
Your website or products profitability and success is directly dependent on how much targeted traffic you get. Search Engine Optimisation (SEO) increases the quantity and quality of traffic to your website and web promotion received from organic ranking in search engines such as Google, Yahoo or MSN.
There has been a lot of discussion around the internet about whether CTR affect SERP (Search Engine Result Page) or not. It does makes sense what Google is trying to do. If many people clicks your website a lot in SERP, there must be something.
When using web 2.0 sites like Squidoo, Hubpages, etc. it's usually possible to choose the URL (or at least part of it). For example with Squidoo, you get to choose the part that appears after squidoo.com/.
2 complimentary aspect of Online Business are important: SEO and Web Accessibility.