There are so many websites that almost whatever subject you think, there is a website on it. Some popular topics have lots of sites and many of them are major ones and if you decide to make one such website of your own and get something out of it then you have to beat your competitors. If not beat then at least you will want your website to come up in search results and on keywords which are most searched for your website niche. Like for example I have a blog on gadgets and I have many big competitors too who are already well ranked and indexed in search engines. In this case I need a search engine optimization (SEO) for my gadget blog and some marketing too. This job requires great skill and lots of stuff need to be done which means there is a need of professional now. One can get in tough with services like rocket spider which has got excellence in providing SEO, internet marketing and many other useful services. I would recommend this service to anyone who wants his website to perform better. They have got a nice website which was recently re-done and now they have added rocket spider blog which is updated daily and one can find interesting news and useful content there.
Update: Rocket Spiders are now extinct, in simple words they are no longer provide service and have shut.