To boost your rankings in the SERPs. I recommend you update your posts. When you do, put in a FAQ box. Google your keyword. Add a FAQ box, add and answer the question. I find it effective. I got the idea from Neil Patel who says it boosts his rankings within a few hours.
Step #1: Get to know the Google ranking algorithm; Step #2: Assess your current … rank in the first position without penalties for shortcuts or black hat SEO strategies, … If you’ve been targeting specific keywords in page content, use [SERPs.com](https://SERPs.com) to assess your rank.
Lets say you have specific service page. Write best content. It should be more in depth and detailed than your competitors have. Avoid keyword stuffing and images etc. There is alot of videos and content in google about this. Get backlinks for specific page with right topic title in. Rich snippets also helps. It will take time, dont expect results in next day.