I've been using the OneUp template for several years now and I've been more than happy with it.
I recently have noticed some weird things happening on my website.

1. Sometimes, when trying to open a project page the website gets stuck loading it, and it never opens.
2. Sometimes it does open, but when a video in the project's page is played, it also gets stuck and never ends up playing the video.
3. I noticed that on the main slide at the top of the page, sometimes the arrows or logo don't appear, instead empty boxes appear.

This problem started recently and I have no idea what is causing it.
It's not consistent either. Sometimes it happens and sometimes it doesn't.

My website is :