Sites using TNcode
Open source slider puzzle captcha library for PHP and JavaScript forms.
Get told when a new site ships with TNcode.
Stackdar watches every launch we detect and sends you the ones using TNcode, by email, Slack or webhook. On every plan, from £15 a month.
See how alerts workFound via: StackScope Wider Web 32
TNcode has been detected on 32 launches we've crawled, with 28 of those in August 2026 (0.0% of the month's launches so far). The 7-day rolling share is 0.0%, roughly steady week on week. Most recent detection was today.
By domain ending, launches using it are 2.7 times as likely as the average launch to live on a .com domain.
Domain endings using TNcode
32 sites
- .com 100.00%
Country-coded domains
17 of 32 sites. Mostly read from the domain ending, so the US is undercounted.
-
Taiwan
58.82%
-
China
41.18%
Share of new sites using TNcode
Each dot is one launch day. Line is the 7-day rolling average. Chart starts at first detection.
Captcha leaders
| Tool | % of launches | % of category | ||
|---|---|---|---|---|
| #1 | – |
Cloudflare Turnstile
|
1.28% | 94.03% |
| #2 | – |
hCaptcha
|
0.08% | 5.79% |
| #3 |
Friendly Captcha
|
<0.01% | 0.31% | |
| #4 | TNcode Current page | <0.01% | 0.12% | |
| #5 | Cap (CAPTCHA) | <0.01% | 0.09% |
Percentages show adoption among indie launches: the share of all analysed launches, and of launches using any Captcha tool. All 36 in Captcha →
Recent launches we can show
0 of the 32 sites using TNcode are product launches we list individually. The other 32 are sites we found crawling the wider web: they count towards the figures above, but we do not publish them one by one. How StackScope Discovery works
Every site we have found using TNcode came from crawling the wider web rather than a product launch, so there is nothing to list here. The 32 still count towards the figures above. How StackScope Discovery works