How to create Custom Robots Header Tag in Blogger Dashboard Setting

You can customize robot header tag for improving in search engines so increasing organic trafics what do you hopes.
How to create Custom Robots Header Tag in Blogger Dashboard Setting

I recomended to add custom robot header tag in your blogger dashboard setting its self for highly and boosting search engines so your page 1 ranks and getting visitors around the world make sure to spesific targeting country e.g. Usa targeting it's recomended in Seo inside in webmaster tools.
Set in custom robot tag in blogger dashboard and checklist for homepage, archieve, and default post and page.
Knowing what deals one by one describing for functions so you not get failure in webmaster tools :
- All , this set for indexing so your webpage, links, all contents will be crawled, index, expose in search engines.
- noindex, this for noting to show your pages in search engines and cache links not to show  in search result
- nofollow, it doesn't follow links content in this pages
- none, is same is to noindex and nofollow for this page
- noarchieve, robot not permit to show cache links in search result
- nosnippets, not permitting show text snippet or video previews in search result for this page
- notranslate, not permitt robots to translate this page so text just in original language
- unavailable_after: [RFC-850 date/time] not permit webpage for indexing crawl or expose in specific time.