To boost your overall likes, you should create results-driven posts. This all depends on your IG analytics; have a look at the countries and age range of your page visitors. Using these statistics will allow you to finetune the content you post to the audience your Instagram analytics reflects.
Directly messaging your audience is also another useful way to get extra insight. Feedback is key, and you can only receive it if you are constantly testing different types of posts.
Compliment your posts with high-quality likes from Superviral. The majority of users are inclined to engage with a post that has more likes, views, shares etc.