Sub domains is considered as an good practice. Sub domains can be prefixed to the domain name of your website. Most search engines along with google treats sub domains as separate domain entities. This can be more effective rather than purchasing the whole domain names when your website targets points to large number of keywords.
Some times it becomes necessary to change a domain name in case the name of the company changes or when you simply have a bad domain name. An important point of consideration in this case is that Google will consider the new domain name to be a new website and then it is required 301 redirect which is available through .htaccess file on Unix servers.
This redirect is required to maintain the validity of your inbound links to the new domain name. In case it is not done then all the inbound links from your old domain name will be lost and website generally fall out in the Google index. In order to be include your website in the Google index there must be atleast one incoming link in all.
Do not use flash home page animations which then redirect to the website homepage? The use of flash on home page is not a good practice from seo services point of view? In seo terms the flash animation does not contain the textual text data does not provide the google with the opportunity to associate text to the page of your website. Second point is that many users do not have flash installed on their browsers and so they are not able to see the flash animations. Thus flash animation disappoint the possible customers and they leave the website hurriedly without going deep inside.
Rajeev Guglani writes articles for SEO.He has vast exposure in writing for Web Promotions.He is working for NDDW. For Website Promotion ,Internet Marketing , SEO Services India visit www.nddw.com