All below sites are official sites of Google. Some of them are not supporting for Blogger but using Blogger, so we also list them here as best practices about using Blogger.
Official Useful Sites for Blogger
- Blogger Features: https://www.blogger.com/features
- Basic Blogger Documents: http://support.google.com/blogger
- Blogger Forum: http://www.blogger.com/go/discuss
- Blogger News: http://buzz.blogger.com
- Blogger Video Tutorials: http://youtube.com/BloggerHelp
- Blogger G+: https://plus.google.com/+Blogger
- Blogger Developer Documents: https://developers.google.com/blogger
- Blogger Developer Forum: https://groups.google.com/forum/#!forum/bloggerdev
- Blogger Developer Blog: http://code.blogger.com
- Blogger Content Policy: https://www.blogger.com/go/contentpolicy
- Blogger Error Codes: http://bx-codes.blogspot.com
- Blogger Showcase: http://blogsofnote.blogspot.com
Official Google Blogs on Blogger
- Google: http://googleblog.blogspot.com
- Gmail: http://gmailblog.blogspot.com
- Enterprise: http://googleenterprise.blogspot.com
- Webmaster Central: http://googlewebmastercentral.blogspot.com
- Inside Adsword: http://adwords.blogspot.com
- Inside Adsense: http://adsense.blogspot.com
- Google Analytics: http://analytics.blogspot.com
- Youtube: http://youtube-global.blogspot.com
- Android: http://officialandroid.blogspot.com
- Android Developers: http://android-developers.blogspot.com
- Google Reader: http://googlereader.blogspot.com
- Google Inside Search: http://insidesearch.blogspot.com
- Google Apps Updates: http://googleappsupdates.blogspot.com
- Google Drive: http://googledrive.blogspot.com
- Google Cloud Platform: http://googlecloudplatform.blogspot.com
- Google Research: http://googleresearch.blogspot.com
- Google Maps: http://google-latlong.blogspot.com
- Chrome: http://chrome.blogspot.com
- Chrome Releases: http://googlechromereleases.blogspot.com
Official Google Blogs by Continents
- Google Africa: http://google-africa.blogspot.com
- Google Asia Pacific: http://googleasiapacific.blogspot.com
- Google Australia: http://google-au.blogspot.com
- Google Europe: http://googlepolicyeurope.blogspot.com
- Google India: http://googleindia.blogspot.com
