Just depends on Wordpress SEO plugins, definitely won’t make your website rank No.1.
That’s why recently I have been dealing with a lot of different types of SEO techniques. Half of my online hours has been spent in SEO sites. 
After suffering from the last traffic dropped, I do really done my homework to understand more about SEO.
Here’s some SEO techniques for blogging.
A synopsis of Onpage optimisation techniques(SEO techniques include Onpage optimisation techniques and Offpage optimisation techniques.) is listed below:
1. Title - A good title makes Googlebot understand your site quickly.
2. Meta keyword – Keyword(s) that you want to emphasize in your blog.
3. Meta description – Sprinkle your key words in description, meta description should be precise and clear, this will be stated beneath your title in SERP.
4. Place your keywords in Header tags(H1,H2, H3,H4)
5. Put keywords in the first sentence - The first 20 words in your article are important.
6. Place your keywords in the post name - That’s why your permalink structure should be in short and clear.
7. Add keywords to Alt tags of images – Put a description for your images. Google crawls images too.
8. Add keywords to tilte attributes
9. Keywords in the anchor text to internal pages – Always link back your previous post.
10. Keywords in the internal link can go the home page - Link back to you homepage too.
11. Reduce the loading time of your webpage - Images, javascript, flash and etc.
12. Keep the keyword density between 3 and 7 percentage
13. Don’t be a content copycat - Googlebot hates to crawl the same content in different sites.
14. Read JohnChow.com K-Director.com. – You’ll get the latest SEO techniques here in future. I promise.
Besides that, you also can get some SEO tips from Johnchow’s ebook.
If you have any more SEO techniques for blogging, share it with me.