It is complete, free and easy to read !

I know what i will be doing today… reading and implementing new SEO techniques. As always i will test those new methods here on SilentBits, so if i find something unique and it will work good for my blog i will tell you that in first place.

If you find some good tips in WordPress SEO Guide let me know your thoughts. Take a look what we have there…

1. The basic technical optimization: simplest stuff, highest rewards

1. Permalinks
2. Optimize your Titles for SEO
3. Optimize your Descriptions
4. Optimize the More text
5. Image Optimization
2. Template optimization

1. Breadcrumbs
2. Headings
3. Clean up your code
4. Aim for speed
5. Rethink that Sidebar

3. Advanced technical optimization: preventing duplicate content

1. Noindex, follow archive pages
2. Disable unnecessary archives
3. Pagination
4. Nofollowing unnecessary links
4. Altering your blog’s structure for high rankings

1. Pages instead of posts
2. New wine in an old bottle: use well ranking-posts to rank even better
3. Linking to related posts
5. Conversion optimization: get those readers to subscribe!
6. Comment optimization: get those readers involved

1. How should you get people to comment
2. Bond with your commenters
3. Keeping people in the conversation
7. Off site blog SEO

1. Follow your commenters
2. Use Twitter
3. Find related blogs, and work them
8. Conclusion

Read more from the source here