When you first install Wordpress there is check box asking if you would like the blog to appear in search engines such as Google. I'm sure when you check that box Google and Wordpress have worked something out to spider the blog within a certain period of time. On the terms of good SEO, I've seen plenty of sites using Wordpress ranking high for decently competitive terms. At the same time though don't think that Wordpress is the ultimate answer to high rankings, you still need to put time into learning SEO, Wordpress won't do it for you. If you have a site that mainly consists of news, and other similar basic text content then Wordpress is perfect, especially if you know how to build your own themes and maneuver the code around.
wordpress more better blogspot even google index page of wordpress very fast some time i thing google love wordpress and trust on it more than blogspot and that look strange cuz blogspot is owend by google! __________________
To all who have inquired regarding the source of this information.. Google's stance on wordpress is available from a video interview by Matt Cutts from Google. The video titled 'SEO Small Business' found on our website under the video section accessible via the footer menu on our website. Unfortunately as I am a new member links are disabled form my posting so I cannot provide the exact link until then Hope this helps....! Source Video link on Our website is kronikmedia.co.uk/videos/task,videodirectlink/id,9/