1. You need own domain & hosting:- First, when you start to write blog on some topics you should have your own domain and hosting. Free blogs will not help much more. Google also consider to blog point out to website is trustworthy.
2. Write original content: - Google main purpose is to provide customer with relevant and useful information. Original content is not much more than just blog posts nowadays.

          Content includes:

          Images:- Add a original photos .

         Videos:- Make tutorial videos . Post it on YouTube to get back link from there.

3. Build back link in natural way

          Never buy back links- Always try to get natural back link.

     Back link Sources- The blogs giving you back links makes value. If older domain with having high ranking that back links counts more. One good back link authority domain name (.edu or .gov)

     Anchor text:- is word that is used as a link. Back link to your own content       also counts.

4. Create Sitemaps:- Install Google sitemap plugin that gives full map of your posts
5. Comment on other blogs:- For long time, its strategies to commenting authority blogs. These strategies not only get traffic but also get exposure and new relationship. 
6. Make Social media profile big:- The best way to do tweets is to build loyal follower. Share other’s content.
7. Use SEO plugin;- There are lots of seo plugin available. The best plugin to start with is all in one seo or yoast wordpress seo plugin
8. Make sure theme is SEO friendly:-There are parts in seo . On page and off page optimization. On page optimization means make changes in webpages or blogs which help boost that content. It includes:

         Cleanly coded- make sure theme coded with new techniques

        Fast loading- make sure theme is loading quickly .

        Navigation- make sure  navigation one page to other page is  smoothly.

        Read blogging updates:- always search blogging tips or updates.