any browser campaignhttps://anybrowser.org/campaign/
this site is very outdated. it still talks about netscape and internet explorer being browser monopolies. however, the message still applies today, with chrome and chromium dominating the web. strive to make your website viewable with any browser, and even if you can't support every browser, don't bar people off from accessing your site just because of their browser choice.
bubbles right nowhttps://bubblesrightnow.com/
press the button to make an iot bubble maker blow bubbles for five seconds. really cool idea. one of those things that makes you think "damn i should've thought of that".
everyone's heard of cookie clicker. however, i think this game is still underrated. it's still seen as that browser clicking game. the way i see it, it popularized the genre and still does it best out of all games. no annoying popups, no microtransactions, plus consistant awesome updates and cool game mechanics makes this a really fun game, weirdly.
created by the people who made the wiby search engine, ghostchat is an anonymous chat room thing that's designed to run in a web browser on low powered commputers. it uses an auto-refreshing frame to load messages. it's very inactive, but sometimes there's one or two people on. i wish it were more active though.
plain text offendershttps://plaintextoffenders.com/
calling out websites that still store passwords in plain text in 2020.
six degrees of wikipediahttps://www.sixdegreesofwikipedia.com/
find the shortest possible route from one wikipedia article to another by only clicking the links in the page to other articles. this is super cool, especially when picking two relatively unpopular and unknown topics and watching how they connect to one another.
click to win! and also to completely distract yourself from whatever you're supposed to be doing.
all programming languages suck. every single programming language in existence has something that can be criticised. both because almost everything is a tradeoff, but also because most languages have design flaws that simply weren't obvious when designing the language. that and the fact that people have personal opinions or whatever. but yeah, the first link is a collection of every reason why a lot of popular programming languages suck. also see the second link, which is an official list of design mistakes in css by the designers of css.