Handy website blockers include stayfocusd, for chrome, leechblock ng/ blocksite for firefox, cold turkey for more comprehensive blocking of apps etc.
Comments are awful. Shut Up hides them by default, sparing your sanity and preventing you from getting sucked into a world of hurt.
For the sites where discussions can be more constructive – like GitHub, Reddit, or Stack Overflow – you can show comments by default. Shut Up is an app you can install on an iPhone or iPad, and a browser extension you can install in Chrome or Safari.
Various privacy-related hacks are also advisable. See [noiszy](https://noiszy.com/], [adblock plus](https://chrome.google.com/webstore/detail/adblock-plus/cfhdojbkjhnklbpkdaibdccddilifddb], [https everywhere](https://chrome.google.com/webstore/detail/https-everywhere/gcbommkclmclpchllfjekcdonpmejbdp/related], [bedlam](https://gitlab.com/afolson/bedlam], Firefox multi-user-containers are one of the niftiest; they compartmentalise your different online service providers. Could be more automatic, but not bad. Fuzzify automates and monitors clicking on the “delete my ad data” button in facebook. ublock origin offers fancy script blocking for the obsessive compulsive. See more on the privacy page.
tamperchrome – edit the requests that a browser makes. Super nerdy.
Viewimage fixes google search.
Whenever you find yourself with too many tabs, click the OneTab icon to convert all of your tabs into a list. When you need to access the tabs again, you can either restore them individually or all at once.
miscellaneous Chrome command line switches