Considerations on the construction of the international portal site in China Geological Survey

Based on a comparison between CGS and USGS in such aspects as web users, construction, contents, online technologies and information policies, this paper has made an analysis of the shortcomings in CGS site construction, and put up some suggestions concerning the improvement of website design, optimization of website construction, building of website groups and unification of website imagines, in the hope that they can be helpful to improving the web construction in the future.