ChatGPT on new websites
Pages that name an OpenAI GPT reasoning model as the author of their content.
Found via: StackScope Discovery (Indie) 2 · StackScope Wider Web 4
ChatGPT did not appear on any new site in the last 30 days.
These figures cover websites that went live since April 2026, not the web as a whole.
Share of new sites using ChatGPT
Each dot is one launch day. Line is the 7-day rolling average. Chart starts at first detection.
The shaded area was measured against a different set of sites, so the line can step there without ChatGPT itself changing.
Coverage details
Amber: 8 July to 10 September 2026, before we improved our infrastructure to index new sites much sooner, often on the day they go live. Sites found that early often haven't finished setting up, so anything usually added after launch reads lower from 10 September. We record each site as it was when we found it.
The share is a proportion of whatever we were tracking at the time. For a single continuous measure, switch to launch platforms.
AI Signal leaders
| Tool | % of sitesall time | % of categoryall time | ||
|---|---|---|---|---|
| #1 |
Claude
|
<0.1% | 75.8% | |
| #2 | OpenAI Domain Verification | <0.1% | 20.6% | |
| #3 | MCP Server | <0.1% | 5.2% | |
| #4 | AEO Meta Tags | <0.1% | 0.7% | |
| #5 | ChatGPT Current page | <0.1% | 0.5% |
Percentages show all-time adoption across the new sites we track: the share of all of them, and of the sites using any AI Signal tool. All 6 in AI Signal →
Recent launches using ChatGPT
2 of the 6 sites using ChatGPT are product launches we list individually. The other 4 are sites we found crawling the wider web: they count towards the figures above, but we do not publish them one by one. They are included in the StackScope API and in Stackdar alerts. How StackScope Discovery works
WhoLoops — Consentful loops for lived practice
Also detected
The StackScope API serves all 6 sites using ChatGPT, filterable and exportable, from £15 a month.