Only searching posts, not pages

I could have sworn that this used to work, but now it appears that you can’t search pages. Here’s an example searching for “checking” — there is an entire section called “Checking,” not to mention tons of subpages that talk about checking.

https://www.urlgone.com/a00e37/

Any ideas on where to start troubleshooting?

https://www.ads-software.com/extend/plugins/search-everything/