1. http://www.iwebtool.com
2. http://www.london-it-support.net
3. http://www.jihoy.com
4. http://seoforums.org
5. http://www.yourhtmlsource.com/sitemanagement/urlrewriting.html
6. http://www.seomoz.org
7. http://seotoolscentral.com
8. http://webconfs.com
9. http://clickresponse.net
10. http://www.codeitwell.com
11. http://www.seo.com
12. http://www.seo-writer.com
13. http://www.olx.com.bd
14. http://fc2.com
15. http://www.searchengineguide.com
16. http://anhblog.net
17. http://www.webceo.com
18. http://www.sitemapdoc.com(auto sitemap generate)
19. http://socialspark.com
20. http://seoforums.org
21. http://www.submitawebsite.com
22. http://pr.efactory.de/e-pagerank-algorithm.shtml (Page Rank Algorithm)
23. http://www.seobook.com
24. http://searchengineland.com
25. http://www.searchenginewatch.com
26. http://www.searchenginejournal.com
27. http://www.seochat.com
28. http://www.mattcutts.com/blog
29. http://www.seroundtable.com
30. http://www.submitexpress.com/tools.html
31. http://www.selfseo.com
32. http://www.highrankings.com
33. http://www.seoblackhat.com
34. http://www.topseos.com
35. http://www.battellemedia.com