I found myself in the following situation.

I'm travelling abroad with my laptop. I connect to a WiFi point and do a bit of browsing and play a YouTube video or two.

Then I disconnect and hop on either a plane or taxi.

Now I want to go back to some of the webpages I was browsing before and continue reading them, or watch some more of that YouTube video.

Unfortunately it seems like none of these resources are cached, or if they are, I have no idea how to access them.

Here's what I'd like:

A utility that starts when my computer boots and sits in the background, silently caching all the web pages that I view. Not only that, but also the resources such as YouTube videos.

Later, when I re-navigate to a site while disconnected, the browser automatically pulls the pages from my cache rather than giving me a 404 error.

Or I can click an icon in the system tray and see a list of all the pages/videos in the cache and view any that I like.

I'm sure Internet Explorer had a feature like this at some point, like "Offline Mode" or something. But these days it doesn't seem to work. Even when I select that option I still can't view pages that I'm certain I downloaded before.

So has the utility I'm talking about been developed yet?