Has anyone else noticed that you sometimes cannot view links that a reddit post is linking out to, if you visit it on the mobile site? I'm starting to see that

Has anyone else noticed that you sometimes cannot view links that a reddit post is linking out to, if you visit it on the mobile site? I'm starting to see that more and more, though I'm unsure how to pin it down. Normally I have to switch to my libreddit instance or old.reddit.com (not using the app)