First off,
Could you clarify what 300UV/month is?
If this is a term I should know, tell me.
Take the following steps to improve your website:
1. Check the bounce rate(the lower the better)
2. Improve your website design(it looks like a cheap template)
3. Provide more unique content
You need to add unique articles about badminton on the home page. You site isn't like Walmart or Target's website where people go just to buy stuff. You need to attract visitors.
4. Your site load speed is pretty good.
5. Remove clutter, do on page SEO
6. Badminton is a very competitive keyword. This means more people to exchange links with!
7. Submit your site to site and article directories.
8. I recommend getting a SEO software (IBP is still the best)
The above is all honest opinions from a visitor. :bebored: