"A script on this page may be busy, or it may have stopped responding. You can stop the script now, open the script in the debugger, or let the script continue.
This keeps happening, locking my machine up for minutes at a time.
But you can always tell NoScript to allow scripts from those websites. But I’ve found that a lot work reasonably well without it – often the scripts are just serving up ads, or powering the ‘click here to donate’, ‘like us on Facebook’, etc. buttons – and I can do fine without those.
Practically any website you can view on a smartphone and a desktop/laptop requires JavaScript. Turning off the scripting in your browser will cause problems for you viewing the site.
If a site doesn’t function properly (and as t-bonham@scc.net posted many work perfectly well without scripts) then if you trust the site you can whitelist it or temporarily allow it or allternatively just allow the scripts you need and block the rest. It’s child’s play to manage and I wouldn’t browse without it now.
It’s better (and easier) to just get Adblock Plus or uBlock Origin. That blocks useless third-party javascripts (ads, etc.) while leaving the first-party ones alone. If a first-party script is broken, there’s something wrong with their website and you should write them or go somewhere else anyway, not just break even more stuff by turning off javascript altogether