Reliability is excellent, privacy is excellent, Trustworthiness is good since all kinds of websites are out there and google is only a search engine. It finds all sites using your key search word(s), and child safety is satisfactory since it doesn't protect from sites that can be harmful.
Very good site for cloud applications like : Gmail, GReader, and best Search Engine on the web. Google also has a fast web browser called Chrome.
Another very fast web browser based on Chromium/Chrome is available at titook.net.