You do not need to write these files yourself.
Give ChatGPT your website address, use the prompts below, check the output, and ask your developer to upload the files.
The three files are:
llms.txtllms-full.txtsitemap.xmlThe filenames must be written exactly like this. It is llms.txt, not llm.txt, and there is no file called elements.doc.
Keep these details ready:
ChatGPT may not be able to access every website properly. If it cannot read your site, paste your important page URLs and business details into the prompt.