Guides
How to read what a site leaves behind
Short, specific answers to the questions people ask after finding something odd in a page source. Everything here is checkable: if a claim cannot be shown as evidence on a scan, it is not in these pages.
AI website detector: what one can actually prove
What an AI website detector reads, which signals are conclusive and which are guesses, how the main approaches differ, and how to check a site by hand without any tool.
What is gpteng.co, and why is it in your website?
gpteng.co is the script host Lovable loads its editor runtime from. If it appears in a page, that page was built with Lovable. What it does, whether it is safe, and how to remove it.
Your page says "Lovable Project": what it is and how to fix it
The default title and description a Lovable project ships with, why they show up in Google and in shared links, and the exact change that replaces them.
How to tell if a website was built with AI
The signals that identify an AI-built site: generator tags, script hosts, hosting domains, markers inside JavaScript bundles, and the code and content habits that come with them.
