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Yes, but opening that and searching for "411" is much slower than just typing "http.cat/411" into the URL bar

Also relieves a stress a bit with a funny cat photo. There's also http.dog to the same effect.

...which is when you set up a browser bookmark with a keyword, so you can just type "http 411" and it will redirect you! :-)

Same - most of the time I just directly open the specific status (e.g https://http.cat/504 )

I always post a cat from it whenever I need to specify a response code in an issue ;)

Same. I know and see several of the codes all the time. But occasionally I encounter a weird one and I always go to http.cat to find out what it is.

i still don't understand 409 errors. saw one for the first time a few weeks ago

Key violation in your database? Can't insert the record because the key already exists? Thus conflict

Ahaha same.