yooo, welcome to the tutorial.

It's like an introduction to basic ciphers and how to detect them

if you have an answer, then you should do "https://waterinvasionsepikwebpuzzle.neocities.org/tutorial/answer" with the answer must be all lowercase

Here's the first one.

pnrfnefnynq

It looks to be random letters with no numbers.

The most common cipher that does this is caesar cipher