all my blog posts already indexed but there is not a single keyword in top 100Do you mean how long it takes google to index your post and rank you for longtail keywords?
If that's what you're asking then it could be 1-2 days (if your blog has a bit of authority and not brand new).
How to quickly index some longtail keywords of blog posts in top 100
i have already created facebook and instagram and sharing posts thereImprove the On-page SEO, Share the links on social media and bookmarking platforms,
Also, create some quality backlinks with targeted keywords.