Why my spam score is 1%?

[zacharrivers]

hello

I do white hat SEO on my site and I Don't do any spamy job on my site but my spam score is 1%. 
please look at my site and tell me what can I do to decrease it to 0.

https://rayastor.ir/ this is my site.

[dralpha36]

it 's depend to your practices  in one page site , there are too many of on page factors affect to score like hidden keywords , keyword stuffing etc .