The field guide
Numbered catalogues of the habits that repeat across generated pages. Each tell comes with a labeled specimen, so you can check a page against the list.
AI tell
The Product Hunt rate peaked at 6.89 times baseline in the second half of 2024 and fell to 1.41 in the first half of 2026. PubMed abstracts reached 3.62 times baseline over the latter period. These counts describe word use in the stored samples and do not identify AI authorship.
Read the post
AI tell
“Pivotal” and “furthermore” became less common per million tokens. Comparing their rates with “however” and “thus” reduces the apparent decline. This comparison depends on the chosen words and cannot identify AI authorship.
Read the post
AI tell
Rounded corners appeared on 92.69 percent of pages in the November 2022 desktop crawl and box shadows on 87.49 percent. CSS gradients passed our growth threshold in April 2024. These counts do not establish whether AI caused the changes.
Read the post
AI tell
This guide publishes a list of words that are supposed to mark generated prose. Two billion words of human writing put nineteen of them between 0.76 and 1.94 times their pre-ChatGPT rate. 796 other words moved by two times or more and none of them is on the list.
Read the post
AI tell
Lovable-built pages carry a signature the HTTP Archive crawl detects. The crawl found 4,959 such origins in December 2025 and 12,120 in August 2026. Over the same nine crawls it logged 19,732 origins that stopped being detected.
Read the postAI tell
Prompt an interface into existence and a familiar set of choices arrives with it: neon at full saturation, glow that decorates nothing and emoji standing in for icons. Seven specimens are reproduced below.
Read the postAI tell
Some tells hide in the CSS and some in the copy. One hides in the quotation marks. Ten specimens are reproduced below.
Read the post