Ranking:

http://www.rankwrite.com/Search Engine Glossary

http://www.searchengineworld.com/glossary/

Search Engine Strategy and Tips:

http://www.bruceclay.com/web_rank.htm

http://www.submit-it.com/subopt.htm

http://www.searchengines.com/

Stay up to date and ask questions in Search Engine Forums and List Serves:

http://www.searchenginewatch.com/

http://www.searchengineforums.com/

http://www.ihelpyouservices.com/forums/

http://www.adventive.com/lists/isearch/summary.html (e-mail discussion list)

http://www.webmasterworld.com/category3.htm

Link Popularity

http://www.linkpopularity.com/

http://www.linkgnome.com/