How to check my website for ranking issue?

[shilparawat]

Hello Everyone !! How to check my website for ranking issue? I did all the on page and off page activity with unique content but still my website fixed on Google 12th page. There are no any fluctuation on my website ranking so how to check the issues of my website? Please someone give some best thought to remove these issues. Thanks !!

[Fli]

Add your site tot he Google Webmaster Tools, Google this phrase: Google Webmaster Guidelines quality
and read the page you found, to verify your linkbuilding and content was alright according to their guidelines, alternatively remove links that you think may violate guidelines.
If you wish, provide your site url for others to take a look.
Test your site by https://varvy.com/ tool.

[cracker]

SEMrush-this tool is used to check backlinks