Much-needed app, thanks for the same. For some time, I have been thinking about a similar app for the simple requirement of sounding every 25 to 30 minutes while working on a computer just to give rest to the eyes, but I was unable to find a suitable one. The "offline-first PWA with zero dependencies; no build step, no cookies, no links, no analytics, nothing other than timers" gives it a really usable coat for both desktop and mobile
Sorry, it is one of the most stable organic molecules and can stay intact for thousands of years. That is why the Jurassic Park like fantasies are based on a truth and many extinct species have been brought to life through DNA in reality too.
Open developer tools and type `document.lastModified` in the console. Though this is painful for every web page, is useful in these instances. Maybe someone with experience in developing Chrome extensions, can develop one for getting this plus other useful page info by just clicking on it in the toolbar
There is a real gap between the development and techniques on how to use them practically and where to use them(use cases). Thanks for filling in the gap