Digging deep takes a lot of work, but you'll soon discover that you'll be able to make better, actionable plans by looks at the data.
Therefore, start utilizing other resources besides putting all your eggs into the rankings basket.
Consider these online and subscription tools to help improve your website:
- Screaming Frog
- SEM Rush
- Google Analytics, of course
- Search engine webmaster tools...just to name a few.
Always look for opportunities for improvement: keywords, content, Headers, images, link building, etc. Work on your weaknesses and spend time making constant improvements.