myactivity.google.com – View history for various Google products.
Google MyAccount Purchases – Shows the purchases that Google has discovered by scanning your Gmail account. I haven’t found a way to turn this off yet ( grrr! ).
doesitmutate.xyz – Quick reference list for which JavaScript array operations mutate and which ones don’t.
classic.minecraft.com – Browser based version of old school Minecraft.
3rd Party Web – Third party JS is not free!
The sweetest WebPageTest script – Easy way to test requests only from the site domain.
h1bsalary.online – Search for H1B visa salaries.
PerfCascade – Display HAR files as a waterfall.
proxx.app – Web based Minesweeper clone, be sure to turn animations off or it will have your laptop fans going at full speed.
Chrome and Cookies – Google is taking some steps to change how cookies work on the web.
httpstat – Show curl timing details with color and style.
QUIC at Facebook – Presentation covering issues that Facebook has seen with deploying QUIC.
mvfst – A QUIC implementation from Facebook.