Hello HisCup,

Thank you for contacting us. I checked the website you provided, and I see a post from today. For example:
"BAGGAGE
APRIL 29, 2015 LARRY 2 COMMENTS
1 John 2:19"

This means today's post is available, and actually has a comment from a visitor.

With browser caching; it basically saves a copy of the site when you visit, then shows you the same site you saw last time when you revisit. (to save time). This setting differs based on each computer/user settings. Usually clearing the cache will cause the persons browser to download an updated version of the site. This could very well be the cause.

As a test, have your wife try on a different browser, such as Chrome, Firefox, Safari, IE, etc.

Alternately, if you are using a 3rd party caching plugin in WordPress there may be a delay set there. For example, to only update daily.

If your wife is on a commercial network (such as college, or coffee shop) they may have caching set. Try connecting from a different network, such as a home wifi.

We are happy to help you troubleshoot further, but will need some additional information.

Are there other posts from today that are missing?

Any additional information that will help us test or narrow down the problem?

Thank you,
John-Paul