Here you can read more about search engine optimization

SEO-forum.se is a Swedish forum discussing search engine optimization (in Swedish).
SEO-guide.se contains a number of guides and articles on the subject (in Swedish).
Webmaster Link Exchange is a link directory for webmasters (in English).
”Att skriva för sökmotorer” (”To write for search engines”) contains some relevant articles (in Swedish).
Article in Swedish Wikipedia about SEO (in Swedish).
Craig Killicks free e-book about search engine optimization (in English).
Googles basic handbook on search engine optimization (in Swedish).
Read Fredrik Wackås’ material about ”Lyckas i webbens sökmotorer”
(”Succeeding in the search engines of the web”, in Swedish).
Download Brad Callen’s free e-book ”SEO made easy”(in English).
Read Mattias Ossvik’s essay on sökmarknadsföring (search engine optimization, in Swedish).
Read Carl Joel Määttä’s and Per Eriksson’s essay ”Sökmotoroptimering på Google”
(”Search engine optimization on Google”, in Swedish).
Google’s official blog (in English).
Google’s Webmaster Central (in English).
SEOmoz with many useful tools (in English).
World Wide Web Consortium (in English).
Google Guide (in English).
Searchengineland with news and information about search engines (in English).
Webpronews, news about searches and e-commerce (in English).