Looking at the footer of the site I see you are in the Philippines. There is unfortunately a known issue with loading of Netlify sites in the Philippines with certain ISPs. This is an issue created by the ISPs blocking Netlify IP addresses, and not an issue created by Netlify. You can find more in this (now quite lengthy) thread
https://answers.netlify.com/t/every-netlify-site-i-visit-cant-be-reached-from-the-philippines/49205