Improving CMS Item Loading Speed with Finsweet Search Filter

Hello everyone! Maybe the question is not specifically related for Relume, but I hope that I can ask and that someone can help me. I have 1500 CMS items in my collection and I use Finsweet Search filter and Load More. And when I want to enter an item in Search, like Stripe, for example, it doesn't appear until the page read almost all the items because it's probably sorted by the last ones. Is there any possibility to speed up the loading of CMS items on the page?