If you mean a website, outside of managed platforms a PHP file synced with ftp on any provider will have a quick feedback look. Not that I recommend it, but to

If you mean a website, outside of managed platforms a PHP file synced with ftp on any provider will have a quick feedback look. Not that I recommend it, but to start, it is one of the quickest.If ftp or scp is too complex I recommend to use a managed website builder (wix, hosted wordpress) If you literally mean a txt made public: gdrive, Dropbox, notion, s3,… Maybe ngrok fits the bill, to literally share a folder on the internet. I am not sure why you are in such a rush. I would argue today it is easier than ever to „put something“ on the internet. I do not think it can be simpler that the options above. Either learn (a minimum amount) or be in somebody‘s platform. IMHO none is too bad, just different tradeoffs. Good luck!